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Parveen S, Shehzadi S, Shafiq N, Rashid M, Naz S, Mehmood T, Riaz R, S Almaary K, Nafidi HA, Bourhia M. A discovery of potent kaempferol derivatives as multi-target medicines against diabetes as well as bacterial infections: an in silico approach. J Biomol Struct Dyn 2024:1-23. [PMID: 38334277 DOI: 10.1080/07391102.2024.2308773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 01/14/2024] [Indexed: 02/10/2024]
Abstract
Flavonoids demonstrate beneficial effects on human health because flavonoids contain important biological properties. Kaempferol is a flavonol, type of flavonoid found in eatable plants and in plants usually employed in ancient drugs (Moringa oleifera, Tilia spp., fern genus spp. and gingko etc.). Some medicinal studies have shown that the use of foods full of kaempferol decreases the risk of many (cancer, vascular) diseases. All the data of 50 kaempferol derivatives were collected from PubChem database. Through Schrödinger software, 3D-QSAR study was performed for 50 compounds by using method of field base. Conformer of kaempferol derivatives was docked against anti-diabetic, anti-microbial co-crystal structures and protein. To monitor the best anti-diabetic and antibacterial agent, particular kaempferol derivatives were downloaded from PubChem database. Virtual screening by molecular docking provided four lead compounds with four different proteins. These hit compounds were found to be potent inhibitor for diabetic enzymes alpha-amylase and DPP IV and had the potential to suppress DNA gyrase and dihydrofolate reductase synthesis. Molecular dynamic simulation of docked complexes evaluates the value of root mean square fluctuation by iMOD server. Kaempferol 3-O-alpha-L-(2, 3-di-Z-p-coumaroyl) rhamnoside (42) compound used as anti-diabetic and kaempferol 3-O-gentiobioside (3) as antibacterial with good results can be used for drug discovery.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Shagufta Parveen
- Synthetic and Natural Product Drug Discovery Laboratory, Department of Chemistry, Government College Women University, Faisalabad, Pakistan
| | - Saman Shehzadi
- Synthetic and Natural Product Drug Discovery Laboratory, Department of Chemistry, Government College Women University, Faisalabad, Pakistan
| | - Nusrat Shafiq
- Synthetic and Natural Product Drug Discovery Laboratory, Department of Chemistry, Government College Women University, Faisalabad, Pakistan
| | - Maryam Rashid
- Synthetic and Natural Product Drug Discovery Laboratory, Department of Chemistry, Government College Women University, Faisalabad, Pakistan
| | - Sadaf Naz
- Department of Chemistry, The University of Lahore, Lahore, Pakistan
| | - Tahir Mehmood
- Centre for Applied Molecular Biology (CAMB), University of the Punjab, Punjab, Pakistan
| | - Rabia Riaz
- Synthetic and Natural Product Drug Discovery Laboratory, Department of Chemistry, Government College Women University, Faisalabad, Pakistan
| | - Khalid S Almaary
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Hiba-Allah Nafidi
- Department of Food Science, Faculty of Agricultural and Food Sciences, Laval University, Quebec, QC, Canada
| | - Mohammed Bourhia
- Department of Chemistry and Biochemistry, Faculty of Medicine and Pharmacy, Ibn Zohr University, Laayoune, Morocco
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Identification of Novel Parishin Compounds from the Twig of Maclura tricuspidata and Comparative Analysis of Parishin Derivatives in Different Parts. Molecules 2022; 28:molecules28010007. [PMID: 36615203 PMCID: PMC9822251 DOI: 10.3390/molecules28010007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 12/12/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022] Open
Abstract
Parishin compounds are rare polyphenolic glucosides mainly found in the rhizome of the traditional Chinese medicinal plant, Gastrodia elata. These constituents are reported to have several biological and pharmacological activities. In the present study, two novel parishin derivatives not previously reported as plant-based phytochemicals were identified from a twig of Maclura tricuspidata (MT) and two new compounds were elucidated as 1-(4-(β-d-glucopyranosyloxy)benzyl)-3-hydroxy-3-methylpentane-1,5-dioate (named macluraparishin E) and 1,3-bis(4-(β-d-glucopyranosyloxy)benzyl)-3-hydroxy-3-methylpentane- 1,5-dioate (macluraparishin C), based on the experimental data obtained by UV-Visible (UV-Vis) spectroscopy, high performance liquid chromatography-quadrupole time-of-flight mass spectrometry (HPLC-QTOF-MS) and nuclear magnetic resonance (NMR) spectroscopy. Additionally, gastrodin, parishin A and parishin B were positively identified by spectroscopic evidence and the comparison of HPLC retention time with the corresponding authentic standards. Gastrodin, parishin A and parishin B, macluraparishin E and macluraparishin C were found to be the most abundant constituents in the MT twig. The compositions and contents of these constituents were found to vary depending on the different parts of the MT plant. In particular, the contents of parishin A, parishin B, macluraparishin C and macluraparishin E were higher in the twig, bark and root than in the leaves, xylem and fruit.
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Jangra A, Verma M, Kumar D, Chandrika C, Rachamalla M, Dey A, Dua K, Jha SK, Ojha S, Alexiou A, Kumar D, Jha NK. Targeting Endoplasmic Reticulum Stress using Natural Products in Neurological Disorders. Neurosci Biobehav Rev 2022; 141:104818. [DOI: 10.1016/j.neubiorev.2022.104818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/23/2022] [Accepted: 08/03/2022] [Indexed: 10/16/2022]
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Yao Z, Wang L, Cai D, Jiang X, Sun J, Wang Y, Bai W. Warangalone Induces Apoptosis in HeLa Cells via Mitochondria-Mediated Endogenous Pathway. EFOOD 2022. [DOI: 10.53365/efood.k/145663] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Cervical cancer as one of the major malignant tumors seriously threatens women's health. More than 270,000 women die of cervical cancer each year. Warangalone is an isoflavone compound isolated from Cudrania tricuspidata with excellent antitumor activity. In this research, we investigated the molecular mechanism of warangalone-induced apoptosis in HeLa cells. The results show that warangalone can selectively and effectively inhibit HeLa cells proliferation. Warangalone can effectively inhibit the invasion and migration of HeLa cells. Furthermore, warangalone was confirmed to activate p53 and mitogen-activated protein kinase (MAPK) family signaling pathways to cause apoptosis. In this case, the expression of the B-cell lymphoma-2 (Bcl-2) family is regulated, and caspase-3 is eventually cleaved, finally triggering the mitochondrial apoptosis. In conclusion, warangalone can induce HeLa cells apoptosis via a mitochondria-mediated endogenous pathway, which represented the potential therapeutic effect of warangalone on cervical cancer.
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Cudrania tricuspidata Root Extract Prevents Methylglyoxal-Induced Inflammation and Oxidative Stress via Regulation of the PKC-NOX4 Pathway in Human Kidney Cells. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:5511881. [PMID: 33859775 PMCID: PMC8026309 DOI: 10.1155/2021/5511881] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Revised: 02/27/2021] [Accepted: 03/15/2021] [Indexed: 12/15/2022]
Abstract
Diabetic nephropathy is a microvascular complication induced by diabetes, and methylglyoxal (MGO) is a reactive carbonyl species causing oxidative stress that contributes to the induction of inflammatory response in kidney cells. Cudrania tricuspidata (CT), cultivated in Northeast Asia, has been used as traditional medicine for treating various diseases, including neuritis, liver damage, and cancer. In this study, we determined whether a CT root extract (CTRE) can prevent MGO-induced reactive oxygen species (ROS) production and inflammation and assessed underlying mechanisms using a kidney epithelial cell line, HK-2. We observed that CTRE inhibited MGO-induced ROS production. Additionally, CTRE ameliorated the activation of MGO-induced inflammatory signaling pathways such as p38 mitogen-activated protein kinase (MAPK), extracellular signal-regulated kinase (ERK), and c-JUN N-terminal kinase (JNK). Consistent with these results, expressions of p-nuclear factor-kappa B (NFκB) and inflammatory cytokines, tumor necrosis factor-α, interleukin- (IL-) 1β, and IL-6, were decreased when compared with MGO-only exposed HK-2 cells. CTRE alleviated the MGO-induced decrease in nuclear factor (erythroid-derived 2)-like 2 (Nrf2) and antioxidant enzyme mRNA expressions. MGO induced the expression of NADPH oxidase 4 (NOX4); CTRE pretreatment inhibited this induction. Further studies revealed that the NOX4 expression was inhibited owing to the suppression of MGO-induced protein kinase C (PKC) activation following CTRE treatment. Collectively, our data suggest that CTRE attenuates MGO-induced inflammation and oxidative stress via inhibition of PKC activation and NOX4 expression, as well as upregulating the Nrf2-antioxidant enzyme pathway in HK-2 cells.
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Zhang J, Hu C, Li X, Liang L, Zhang M, Chen B, Liu X, Yang D. Protective Effect of Dihydrokaempferol on Acetaminophen-Induced Liver Injury by Activating the SIRT1 Pathway. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2021; 49:705-718. [PMID: 33657990 DOI: 10.1142/s0192415x21500324] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Acetaminophen (APAP) overdose is the leading cause of acute liver failure (ALF) in the Western world, with limited treatment opportunities. 3,5,7,4[Formula: see text]-Tetrahydroxyflavanone (Dihydrokaempferol, DHK, Aromadendrin) is a flavonoid isolated from Chinese herbs and displays high anti-oxidant and anti-inflammatory capacities. In this study, we investigated the protective effect by DHK against APAP-induced liver injury in vitro and in vivo and the potential mechanism of action. Cell viability assays were used to determine the effects of DHK against APAP-induced liver injury. The levels of reactive oxygen species (ROS), serum alanine/aspartate aminotransferases (ALT/AST), liver myeloperoxidase (MPO), and malondialdehyde (MDA) were measured and analyzed to evaluate the effects of DHK on APAP-induced liver injury. Western blotting, immunofluorescence staining, RT-PCR, and Transmission Electron Microscope were carried out to detect the signaling pathways affected by DHK. Here, we found that DHK owned a protective effect on APAP-induced liver injury with a dose-dependent manner. Meanwhile, Western blotting showed that DHK promoted SIRT1 expression and autophagy, activated the NRF2 pathway, and inhibited the translocation of nuclear p65 (NF-[Formula: see text]B) in the presence of APAP. Furthermore, SIRT1 inhibitor EX-527 aggravated APAP-induced hepatotoxicity when treating with DHK. Molecular docking results suggested potential interaction between DHK and SIRT1. Taken together, our study demonstrates that DHK protects against APAP-induced liver injury by activating the SIRT1 pathway, thereby promoting autophagy, reducing oxidative stress injury, and inhibiting inflammatory responses.
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Affiliation(s)
- Jiaqi Zhang
- Experiment Center for Science and Technology, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P. R. China.,Shanghai TCM-Integrated Institute of Vascular Anomalies, Shanghai TCM-Integrated Hospital, Shanghai University of Traditional, Chinese Medicine, Shanghai 200082, P. R. China
| | - Cheng Hu
- Experiment Center for Science and Technology, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P. R. China
| | - Xiulong Li
- Experiment Center for Science and Technology, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P. R. China
| | - Li Liang
- Department of Respiratory Medicine, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 201999, P. R. China
| | - Mingcai Zhang
- Shuguang Hospital Affiliated to Shanghai University of Traditional, Chinese Medicine, Shanghai 201203, P. R. China
| | - Bo Chen
- Shuguang Hospital Affiliated to Shanghai University of Traditional, Chinese Medicine, Shanghai 201203, P. R. China
| | - Xinhua Liu
- Experiment Center for Science and Technology, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, P. R. China
| | - Dicheng Yang
- Department of Cardiovascular Surgery, Shanghai General Hospital Shanghai, Jiao Tong University School of Medicine, Shanghai 200080, P. R. China
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Aromadendrin Protects Neuronal Cells from Methamphetamine-Induced Neurotoxicity by Regulating Endoplasmic Reticulum Stress and PI3K/Akt/mTOR Signaling Pathway. Int J Mol Sci 2021; 22:ijms22052274. [PMID: 33668860 PMCID: PMC7956189 DOI: 10.3390/ijms22052274] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 02/13/2021] [Accepted: 02/22/2021] [Indexed: 11/23/2022] Open
Abstract
Methamphetamine (METH) is a highly addictive drug that induces irreversible damage to neuronal cells and pathological malfunction in the brain. Aromadendrin, isolated from the flowers of Chionanthus retusus, has been shown to have anti-inflammatory or anti-tumor activity. Nevertheless, it has been reported that METH exacerbates neurotoxicity by inducing endoplasmic reticulum (ER) stress via the phosphoinositide 3-kinase/Akt/mammalian target of rapamycin (PI3K/Akt/mTOR) pathway in neuronal cells. There is little evidence that aromadendrin protects cells from neurotoxicity induced by METH. In this study, we found that aromadendrin partially suppressed the METH-induced cell death in SH-SY5y cells without causing cytotoxicity. Aromadendrin regulated METH-induced ER stress by preserving the phosphorylation of the PI3K/Akt/mTOR signaling pathway in METH-exposed SH-SY5y cells. In addition, aromadendrin mitigated METH-induced autophagic and the apoptotic pathways in METH-exposed SH-SY5y cells. Mechanistic studies revealed that pre-treatment with aromadendrin restored the expression of anti-apoptotic proteins in METH-exposed conditions. The inhibitor assay confirmed that aromadendrin-mediated restoration of mTOR phosphorylation protected cells from autophagy and apoptosis in METH-exposed cells. Therefore, these findings suggest that aromadendrin relatively has a protective effect on SH-SY5y cells against autophagy and apoptosis induced by METH via regulation of ER stress and the PI3K/Akt/mTOR signaling pathway.
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Kim GD, Park S. Effects of Cudrania tricuspidata on anti-senescence in high glucose-treated endothelial cells via the Akt/p53/p21 pathway. Food Sci Nutr 2020; 8:5999-6006. [PMID: 33282251 PMCID: PMC7684615 DOI: 10.1002/fsn3.1885] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 08/19/2020] [Accepted: 08/23/2020] [Indexed: 01/08/2023] Open
Abstract
The roles of Cudrania tricuspidata (CT) in the prevention of senescence and the underlying mechanisms have not been elucidated. In a high glucose (HG)-induced senescent endothelial cell (EC) culture, CT (20 µg/ml) reduced the number of senescence-associated β-galactosidase-positive cells by 8.3% compared with the control group and increased the expression of p-Sirt1 by more than twofold compared with the control group. Moreover, 20 μg/ml CT treatment doubled the activity of p-Akt, which was inhibited by HG, compared with the control group. In addition, CT treatment decreased the expression of p53, p21, and Rb, which was increased by HG. Overall, CT delays HG-induced senescence via the Akt/p53/p21 pathway, suggesting its potential as a functional agent for the protection of ECs.
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Affiliation(s)
- Gi Dae Kim
- Department of Food and NutritionKyungnam UniversityChangwon‐siRepublic of Korea
| | - Seonghee Park
- Department of Biological ScienceSookmyung Women's UniversitySeoulRepublic of Korea
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Lee HS, Jeong GS. Aromadendrin Inhibits T Cell Activation via Regulation of Calcium Influx and NFAT Activity. Molecules 2020; 25:molecules25194590. [PMID: 33050076 PMCID: PMC7582607 DOI: 10.3390/molecules25194590] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/04/2020] [Accepted: 10/06/2020] [Indexed: 01/02/2023] Open
Abstract
The objective of this study was to assess the inhibitory effect of the flavonoid aromadendrin on T cell activity to identify a non-cytotoxic immunosuppressive reagent. Conventional and qualitative PCR, MTT assays, flow cytometry and Western blotting were used to evaluate the effect of aromadendrin on the activity, cell viability and confluency, and proximal signal transduction of activated T cells. Aromadendrin effectively regulated IL-2 and IFNγ production in vitro from activated Jurkat T cells without cytotoxicity. Pre-treatment with aromadendrin also suppressed the expression levels of surface molecules CD69, CD25, and CD40L. Reduced calcium (Ca2+) influx in activated T cells pre-treated with aromadendrin was observed. Western blotting revealed that aromadendrin blocked the dephosphorylation of nuclear factor of activated T (NFAT) cells and its nuclear translocation. Involvement of the NFκB and MAPK pathways in the inhibitory effect of aromadendrin was also demonstrated. Results obtained demonstrated the suppressive effect of aromadendrin on T cell activation by Ca2+ influx regulation through NFAT activity suppression of the activated T cells.
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Affiliation(s)
| | - Gil-Saeng Jeong
- Correspondence: ; Tel.: +82-53-580-6649; Fax: +82-53-580-6645
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Kim EN, Kwon J, Lee HS, Lee S, Lee D, Jeong GS. Inhibitory Effect of Cudratrixanthone U on RANKL-Induced Osteoclast Differentiation and Function in Macrophages and BMM Cells. Front Pharmacol 2020; 11:1048. [PMID: 32848726 PMCID: PMC7419678 DOI: 10.3389/fphar.2020.01048] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 06/26/2020] [Indexed: 12/19/2022] Open
Abstract
Cudratrixanthone U (CTU) is a prenylated xanthone compound isolated from Maclura tricuspidata Bureau (Moraceae). Prenylated xanthones have been reported to exhibit a variety of biological activities. However, the effects of prenylated xanthone on osteoclast differentiation and function are still unclear. Excessive bone resorption by osteoclasts is considered a major cause of diseases such as osteoporosis. Accordingly, suppression of excessive osteoclast formation and function is one of strategies for treating osteoclast related bone diseases. In this study, CTU inhibited osteoclast differentiation and function in RAW264.7 macrophages and BMM cells induced by receptor activator of nuclear factor-κB ligand (RANKL). CTU regulated the formation of TRAF6-TAK1 complex in RANKL-induced RAW264.7 macrophages and BMM cells. Osteoclast-specific genes including those encoding matrix metallopeptidase 9 (MMP-9), dendritic cell-specific transmembrane proteins (DC-STAMP), cathepsin K (CTSK) and chemokine CC motif ligand 4 (CCL4) play an important role in bone resorption and migration, and were effectively regulated by CTU. These results suggest that CTU is a potential therapeutic agent in osteoporosis.
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Affiliation(s)
- Eun-Nam Kim
- College of Pharmacy, Keimyung University, Daegu, South Korea
| | - Jaeyoung Kwon
- Natural Constituents Research Center, Korea Institute of Science and Technology (KIST), Gangneung, South Korea
| | - Hyun-Su Lee
- College of Pharmacy, Keimyung University, Daegu, South Korea
| | - Sooyeun Lee
- College of Pharmacy, Keimyung University, Daegu, South Korea
| | - Dongho Lee
- Department of Biosystems and Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul, South Korea
| | - Gil-Saeng Jeong
- College of Pharmacy, Keimyung University, Daegu, South Korea
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Woo H, Kang J, Lee C, Song KB. Application of
Cudrania tricuspidata
leaf extract as a washing agent to inactivate
Listeria monocytogenes
on fresh‐cut romaine lettuce and kale. Int J Food Sci Technol 2020. [DOI: 10.1111/ijfs.14305] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Hyuk‐Je Woo
- Department of Food Science and Technology Chungnam National University Daejeon34134Korea
| | - Ji‐Hoon Kang
- Department of Food Science and Technology Chungnam National University Daejeon34134Korea
| | - Chae‐Hun Lee
- Department of Food Science and Technology Chungnam National University Daejeon34134Korea
| | - Kyung Bin Song
- Department of Food Science and Technology Chungnam National University Daejeon34134Korea
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Chemical Composition and Antioxidant Activity of Steam-Distilled Essential Oil and Glycosidically Bound Volatiles from Maclura Tricuspidata Fruit. Foods 2019; 8:foods8120659. [PMID: 31835417 PMCID: PMC6963948 DOI: 10.3390/foods8120659] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 12/02/2019] [Accepted: 12/05/2019] [Indexed: 02/06/2023] Open
Abstract
Essential oil obtained from Maclura triscuspidata fruit has been reported to have functional properties. This study aimed at determining chemical compositions and antioxidant activities of steam-distilled essential oil (SDEO) and glycosidically bound aglycone fraction (GBAF) isolated from fully ripe M. triscuspidata fruit. SDEO was isolated by simultaneous steam distillation and extraction (SDE). GBAF was prepared by Amberlite XAD-2 adsorption of methanol extract, followed by methanol elution and enzymatic hydrolysis. Both fractions were analyzed by gas chromatography–mass spectrometry (GC–MS). A total of 76 constituents were identified from both oils. Apart from fatty acids and their esters, the SDEO contained p-cresol in the highest concentration (383.5 ± 17.7), followed by δ-cadinene (147.7 ± 7.7), β-caryophyllene (145.7 ± 10.5), β-ionone (141.0 ± 4.5), n-nonanal (140.3 ± 20.5), theaspirane A (121.3 ± 4.5) and theaspirane B (99.67 ± 9.05 µg/g). Thirteen carotenoid-derived compounds identified in the SDEO are being isolated from M. triscuspidata fruit for the first time. Out of the 22 components identified in GBAF, 14 were present only in the glycosidically bound volatiles. Antioxidant activity of the GBAF was higher than that of SDEO. These results suggest that glycosidically bound volatiles of M. triscuspidata fruit have a good potential as natural antioxidants.
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Comparison of Bioactive Compounds and Antioxidant Activities of Maclura tricuspidata Fruit Extracts at Different Maturity Stages. Molecules 2019; 24:molecules24030567. [PMID: 30720740 PMCID: PMC6384656 DOI: 10.3390/molecules24030567] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 01/22/2019] [Accepted: 02/01/2019] [Indexed: 11/17/2022] Open
Abstract
Maclura tricuspidata fruit contains various bioactive compounds and has traditionally been used in folk medicine and as valuable food material in Korea. The composition and contents of bioactive compounds in the fruit can be influenced by its maturity stages. In this study, total phenol, total flavonoid, individual polyphenolic compounds, total carotenoids and antioxidant activities at four maturity stages of the fruit were determined. Polyphenolic compounds were analyzed using high-pressure liquid chromatography-quadrupole time-of-flight mass spectrometry (HPLC-QTOF-MS) and HPLC. Among 18 polyphenolic compounds identified in this study, five parishin derivatives (gastrodin, parishin A, B, C, E) were positively identified for the first time in this plant. These compounds were also validated and quantified using authentic standards. Parishin A was the most abundant component, followed by chlorogenic acid, gastrodin, eriodictyol glucoside, parishin C, parishin E and parishin B. The contents of all the polyphenolic compounds were higher at the immature and premature stages than at fully mature and overmature stages, while total carotenoid was found to be higher in the mature and overmature stages. Overall antioxidant activities by three different assays (DPPH, ABTS, FRAP) decreased as maturation progressed. Antioxidant properties of the fruit extract are suggested to be attributed to the polyphenols.
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14
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Cui S, Cui Y, Li Y, Zhang Y, Wang H, Qin W, Chen X, Ding S, Wu D, Guo H. Inhibition of cardiac hypertrophy by aromadendrin through down-regulating NFAT and MAPKs pathways. Biochem Biophys Res Commun 2018; 506:805-811. [PMID: 30389139 DOI: 10.1016/j.bbrc.2018.10.143] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 10/23/2018] [Indexed: 11/26/2022]
Abstract
Cardiac hypertrophy is a maladaptive response to pressure overload and it's an important risk factor for heart failure and other adverse cardiovascular events. Aromadendrin (ARO) has remarkable anti-lipid peroxidation efficacy and is a potential therapeutic medicine for the management of diabetes and cardiovascular diseases. In this study, we established the cardiac hypertrophy cell model in rat neonatal ventricular cardiomyocytes (RNVMs) with phenylephrine. The cell model was characterized by the increased protein synthesis and cardiomyocyte size, which can be normalized by ARO treatment in both concentration- and time-dependent manner. In transverse aortic constriction (TAC) induced cardiac hypertrophy model, ARO administration improved the impairment of cardiac function and alleviated the cardiac hypertrophy indicators, like ventricular mass/body weight, myocyte cross-sectional area, and the expression of ANP, BNP and Myh7. ARO treatment also suppressed the cardiac fibrosis and the correlated fibrogenic genes. Our further investigation revealed ARO could down-regulate pressure overload-induced Malondialdehyde (MDA) and 4-HNE expression, restore the decrease of GSH/GSSG ratio, meanwhile prevent nuclear translocation of NFAT and the activation of MAPKs pathways. Collectively, ARO has a protective effect against experimental cardiac hypertrophy in mice, suggesting its potential as a novel therapeutic drug for pathological cardiac hypertrophy.
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Affiliation(s)
- Sumei Cui
- Department of Emergency, Qilu Hospital of Shandong University, Jinan, China; Institute of Emergency and Critical Care Medicine, Shandong University, Jinan, China; Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Qilu Hospital of Shandong University, Jinan, China
| | - Yuqian Cui
- Center for Reproductive Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Yuan Li
- Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Qilu Hospital of Shandong University, Jinan, China; Department of Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Yongtao Zhang
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Hao Wang
- Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Qilu Hospital of Shandong University, Jinan, China; Department of Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Weidong Qin
- Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Qilu Hospital of Shandong University, Jinan, China; Department of Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Xiaomei Chen
- Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Qilu Hospital of Shandong University, Jinan, China; Department of Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Shifang Ding
- Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Qilu Hospital of Shandong University, Jinan, China; Department of Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Dawei Wu
- Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Qilu Hospital of Shandong University, Jinan, China; Department of Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Haipeng Guo
- Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education and Chinese Ministry of Health, Qilu Hospital of Shandong University, Jinan, China; Department of Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China.
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15
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Park JY, Kim SI, Lee HJ, Kim SS, Kwon YS, Chun W. Isorhamnetin-3-O-Glucuronide Suppresses JNK and p38 Activation and Increases Heme-Oxygenase-1 in Lipopolysaccharide-Challenged RAW264.7 Cells. Drug Dev Res 2017; 77:143-51. [PMID: 27113811 DOI: 10.1002/ddr.21301] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Accepted: 03/08/2016] [Indexed: 12/24/2022]
Abstract
Preclinical Research Isorhanmetin (ISH) exhibits a wide range of biological properties including anticancer, anti-oxidant and anti-inflammatory activities. However, the pharmacological properties of isorhamnetin-3-O-glucuronide (IG), a glycoside derivative of ISH, have not been extensively examined. The objective of this study was to examine the anti-inflammatory properties of IG and its underlying mechanism in lipopolysaccharide (LPS)-challenged RAW264.7 macrophage cells in comparison with its aglycone, ISH. IG suppressed LPS-induced extracellular secretion of the proinflammatory mediators, nitric oxide (NO) and PGE2 , and proinflammatory protein expressions of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2. IG also increased expression of heme oxygenase-1 (HO-1). IG attenuated LPS-induced activation of c-Jun N-terminal kinase (JNK) and p38 in a concentration-dependent manner with negligible suppression of extracellular signal-regulated kinases (ERK) phosphorylation. In conclusion, this study demonstrates that IG exerts anti-inflammatory activity by increasing HO-1 expression and by suppressing JNK and p38 signaling pathways in LPS-challenged RAW264.7 macrophage cells. Drug Dev Res 77 : 143-151, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Jin-Young Park
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon, 200-701, Korea
| | - Song-In Kim
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon, 200-701, Korea
| | - Hee Jae Lee
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon, 200-701, Korea
| | - Sung-Soo Kim
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon, 200-701, Korea
| | - Yong-Soo Kwon
- College of Pharmacy, Kangwon National University, Chuncheon, 200-701, Korea
| | - Wanjoo Chun
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon, 200-701, Korea
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16
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Song SH, Ki SH, Park DH, Moon HS, Lee CD, Yoon IS, Cho SS. Quantitative Analysis, Extraction Optimization, and Biological Evaluation of Cudrania tricuspidata Leaf and Fruit Extracts. Molecules 2017; 22:molecules22091489. [PMID: 28880226 PMCID: PMC6151595 DOI: 10.3390/molecules22091489] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 09/05/2017] [Indexed: 01/20/2023] Open
Abstract
Cudrania tricuspidata Bureau (Moraceae) shows numerous pharmacological effects and has been used in traditional herbal remedies for inflammation, gastritis, tumors, and liver diseases. However, no validated analytical method for the standardization and optimization of the biological properties of C. tricuspidata preparations has been reported. We developed and validated a reverse-phase high-performance liquid chromatography (HPLC) method for the separation and quantification of active markers. Ethanolic extracts of C. tricuspidata leaves were prepared and evaluated for chemical profiles and biological activities. The 80% ethanolic extract demonstrated the greatest antioxidant activity and phenolic content, while the 100% ethanolic extract had the greatest total flavonoid content and xanthine oxidase (XO) inhibitory activity. The validated HPLC method confirmed that chlorogenic acid, rutin, and kaempferol were present in C. tricuspidata leaf extracts. We postulated that the antioxidant and anti-hyperuricemic/gout effects of C. tricuspidata extract could be attributed to these marker compounds. Our results suggested that the flavonoid-rich fraction of the leaf extract may be utilized for the treatment and prevention of hyperuricemia-related diseases, and the validated method and marker compounds could be applied for the quality control of C. tricuspidata preparations.
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Affiliation(s)
- Seung-Hui Song
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan-gun, Jeonnam 58554, Korea.
| | - Sung Hwan Ki
- Laboratory of Toxicology, College of Pharmacy, Chosun University, Dong-gu, Gwangju 61452, Korea.
| | - Dae-Hun Park
- Department of Nursing, Dongshin University, Naju-si, Jeonnam 58245, Korea.
| | - Hong-Seop Moon
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan-gun, Jeonnam 58554, Korea.
| | - Chang-Dai Lee
- Department of Business Administration, Mokpo National University, Muan-gun, Jeonnam 58554, Korea.
| | - In-Soo Yoon
- Department of Manufacturing Pharmacy, College of Pharmacy, Pusan National University, Geumjeong-gu, Busan 46241, Korea.
| | - Seung-Sik Cho
- Department of Pharmacy, College of Pharmacy, Mokpo National University, Muan-gun, Jeonnam 58554, Korea.
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17
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Xin LT, Yue SJ, Fan YC, Wu JS, Yan D, Guan HS, Wang CY. Cudrania tricuspidata: an updated review on ethnomedicine, phytochemistry and pharmacology. RSC Adv 2017. [DOI: 10.1039/c7ra04322h] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This review summarized the botany, traditional uses, phytochemistry and pharmacology ofCudrania tricuspidata, and the limitations of the studies on this species were also discussed so as to serve as the basis for further research and development of this medicinal plant.
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Affiliation(s)
- Lan-Ting Xin
- Key Laboratory of Marine Drugs
- The Ministry of Education of China
- School of Medicine and Pharmacy
- Ocean University of China
- Qingdao 266003
| | - Shi-Jun Yue
- Key Laboratory of Marine Drugs
- The Ministry of Education of China
- School of Medicine and Pharmacy
- Ocean University of China
- Qingdao 266003
| | - Ya-Chu Fan
- Key Laboratory of Marine Drugs
- The Ministry of Education of China
- School of Medicine and Pharmacy
- Ocean University of China
- Qingdao 266003
| | - Jing-Shuai Wu
- Key Laboratory of Marine Drugs
- The Ministry of Education of China
- School of Medicine and Pharmacy
- Ocean University of China
- Qingdao 266003
| | - Dan Yan
- Beijing Shijitan Hospital
- Capital Medical University
- Beijing 100038
- P. R. China
| | - Hua-Shi Guan
- Key Laboratory of Marine Drugs
- The Ministry of Education of China
- School of Medicine and Pharmacy
- Ocean University of China
- Qingdao 266003
| | - Chang-Yun Wang
- Key Laboratory of Marine Drugs
- The Ministry of Education of China
- School of Medicine and Pharmacy
- Ocean University of China
- Qingdao 266003
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18
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Park JY, Lim MS, Kim SI, Lee HJ, Kim SS, Kwon YS, Chun W. Quercetin-3- O- β-D-Glucuronide Suppresses Lipopolysaccharide-Induced JNK and ERK Phosphorylation in LPS-Challenged RAW264.7 Cells. Biomol Ther (Seoul) 2016; 24:610-615. [PMID: 27257013 PMCID: PMC5098540 DOI: 10.4062/biomolther.2016.026] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 03/04/2016] [Accepted: 03/29/2016] [Indexed: 01/21/2023] Open
Abstract
Quercetin, a flavonol, has been reported to exhibit a wide range of biological properties including anti-oxidant and anti-inflammatory activities. However, pharmacological properties of quercetin-3-O-β-D-glucuronide (QG), a glycoside derivative of quercetin, have not been extensively examined. The objective of this study is to elucidate the anti-inflammatory property and underlying mechanism of QG in lipopolysaccharide (LPS)-challenged RAW264.7 macrophage cells in comparison with quercetin. QG significantly suppressed LPS-induced extracellular secretion of pro-inflammatory mediators such as nitric oxide (NO) and PGE2, and pro-inflammatory protein expressions of iNOS and COX-2. To elucidate the underlying mechanism of the anti-inflammatory property of QG, involvement of MAPK signaling pathways was examined. QG significantly attenuated LPS-induced activation of JNK and ERK in concentration-dependent manners with a negligible effect on p38. In conclusion, the present study demonstrates QG exerts anti-inflammatory activity through the suppression of JNK and ERK signaling pathways in LPS-challenged RAW264.7 macrophage cells.
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Affiliation(s)
- Jin-Young Park
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Man-Sup Lim
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Song-In Kim
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Hee Jae Lee
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Sung-Soo Kim
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Yong-Soo Kwon
- College of Pharmacy, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Wanjoo Chun
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 24341, Republic of Korea
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19
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Hwang YJ, Lee SJ, Park JY, Chun W, Nam SJ, Park JM, Park SC, Choi DH, Kang CD. Apocynin Suppresses Lipopolysaccharide-Induced Inflammatory Responses Through the Inhibition of MAP Kinase Signaling Pathway in RAW264.7 Cells. Drug Dev Res 2016; 77:271-7. [DOI: 10.1002/ddr.21321] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Accepted: 07/10/2016] [Indexed: 01/07/2023]
Affiliation(s)
- Young-Jae Hwang
- Department of Internal Medicine; Kangwon National University School of Medicine; Chuncheon Korea
| | - Sung Joon Lee
- Department of Internal Medicine; Kangwon National University School of Medicine; Chuncheon Korea
| | - Jin-Young Park
- Department of Pharmacology, College of Medicine; Kangwon National University; Chuncheon Korea
| | - Wanjoo Chun
- Department of Pharmacology, College of Medicine; Kangwon National University; Chuncheon Korea
| | - Seung-Joo Nam
- Department of Internal Medicine; Kangwon National University School of Medicine; Chuncheon Korea
| | - Jin Myung Park
- Department of Internal Medicine; Kangwon National University School of Medicine; Chuncheon Korea
| | - Sung Chul Park
- Department of Internal Medicine; Kangwon National University School of Medicine; Chuncheon Korea
| | - Dae Hee Choi
- Department of Internal Medicine; Kangwon National University School of Medicine; Chuncheon Korea
| | - Chang Don Kang
- Department of Internal Medicine; Kangwon National University School of Medicine; Chuncheon Korea
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20
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Antiobesity and Antidiabetes Effects of a Cudrania tricuspidata Hydrophilic Extract Presenting PTP1B Inhibitory Potential. BIOMED RESEARCH INTERNATIONAL 2016; 2016:8432759. [PMID: 26989693 PMCID: PMC4775776 DOI: 10.1155/2016/8432759] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Revised: 01/19/2016] [Accepted: 01/20/2016] [Indexed: 02/06/2023]
Abstract
Diabetes and obesity represent the major health problems and the most age-related metabolic diseases. Protein-tyrosine phosphatase 1B (PTP1B) has emerged as an important regulator of insulin signal transduction and is regarded as a pharmaceutical target for metabolic disorders. To find novel natural materials presenting therapeutic activities against diabetes and obesity, we screened various herb extracts using a chip screening allowing the determination of PTP1B inhibitory effects of the tested compounds using insulin receptor (IR) as the substrate. Cudrania tricuspidata leaves (CTe) had a strong inhibitory effect on PTP1B activity and substantially inhibited fat accumulation in 3T3-L1 cells. CTe was orally administrated to diet-induced obesity (DIO) mice once daily for 3 weeks after which changes in glucose, insulin metabolism, and fat accumulation were examined. Hepatic enzyme markers (aspartate aminotransferase, AST, and alanine aminotransferase, ALT) and total fat mass and triglyceride levels decreased in CTe-treated mice, whereas body weight and total cholesterol concentration slightly decreased. CTe increased the phosphorylation of IRS-1 and Akt in liver tissue. Furthermore, CTe treatment significantly lowered blood glucose levels and improved insulin secretion in DIO mice. Our results strongly suggest that CTe may represent a promising therapeutic substance against diabetes and obesity.
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21
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Nile SH, Kim DH. HPLC Analysis, Antioxidant, Anti-inflammatory and Xanthine Oxidase Inhibitory Activity of Cudrania tricuspidata. Nat Prod Commun 2015. [DOI: 10.1177/1934578x1501001112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Cudrania tricuspidata is a plant used in folk medicine in Korea for treatment of diseases related to oxidative stress and inflammation. In this study the leaf and shoot extract was studied for its antioxidant, anti-inflammatory, and xanthine oxidase (XO) inhibitory activities. The extract with predominant phenolics was quantified using HPLC-DAD. Antioxidant activity was measured using ABTS [2,2′-azinobis-(3-ethylbenzothiazoline-6-sulfonic acid) and FRAP (ferric ion reducing antioxidant power), and anti-inflammatory activity by diene-conjugate and β-glucuronidase assays. The average antioxidant effects of C. tricuspidata extracts (1–2 mg/mL) revealed significant activity of 32.5% to 50.2% (ABTS) and 24.2 to 40.5% (FRAP) compared with Trolox, having 55.1% (ABTS) and 42.6% (FRAP) activity, respectively. The anti-inflammatory activities showed as 26.5% to 40.5% (DC) and 40.2% to 70.2% (βG) inhibition compared with the control {phenylbutazone; 42.1% (DC) and 80.2% (βG) inhibition, respectively}. The XO inhibitory activity of the plant extract revealed 90.5% inhibition of that of the control (allopurinol) (97% inhibition at 100 μg/mL concentration). The kinetic parameters of XO inhibition revealed a noncompetitive type of inhibition, where, K m and V max of C. tricuspidata extracts (25 to 100 μg/mL) were 0.25 mM/mL and 0.040, 0.036, 0.032, and 0.030 (μg/min), while for the positive control K m and V max the values were 0.30 mM/mL and 0.045 (μg/min), respectively. Results suggest that C. tricuspidata can be exploited against diseases associated with free radical formation and xanthine oxidase activity.
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Affiliation(s)
- Shivraj Hariram Nile
- Department of Bioresources and Food Science, College of Life and Environmental Sciences, Konkuk University, Seoul-143701, South Korea
| | - Doo Hwan Kim
- Department of Bioresources and Food Science, College of Life and Environmental Sciences, Konkuk University, Seoul-143701, South Korea
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22
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Lactobacillus plantarum-mediated conversion of flavonoid glycosides into flavonols, quercetin, and kaempferol in Cudrania tricuspidata leaves. Food Sci Biotechnol 2015. [DOI: 10.1007/s10068-015-0237-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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23
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Zhou Q, Chen L, Yin HJ, Li B, Tian Y, Chen HW, Xiao YH, He XH, Zeng YL, Dong JX. Two new flavonols from Cudrania cochinchinensis. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2014; 16:976-981. [PMID: 24954131 DOI: 10.1080/10286020.2014.923843] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Revised: 05/09/2014] [Accepted: 05/09/2014] [Indexed: 06/03/2023]
Abstract
Two new flavonols, 6-p-hydroxybenzyl kaempferol (1) and 6-p-hydroxybenzyl quercetin (2), together with six known compounds were isolated from the roots of Cudrania cochinchinensis and their structures elucidated on the basis of spectroscopic methods. Their antioxidant capacities were evaluated by 1,1-diphenyl-2-picryl-hydrazyl and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) radical-scavenging assays. The results suggested that compounds 2, 4, and 7 showed significant radical-scavenging activities.
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Affiliation(s)
- Qi Zhou
- a School of Pharmaceutical Science, Central South University , Changsha 410013 , China
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24
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Kwon J, Hiep NT, Kim DW, Hwang BY, Lee HJ, Mar W, Lee D. Neuroprotective Xanthones from the Root Bark of Cudrania tricuspidata. JOURNAL OF NATURAL PRODUCTS 2014; 77:1893-1901. [PMID: 25051453 DOI: 10.1021/np500364x] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Seventeen new prenylated xanthones (1-17) were isolated from an ethyl acetate-soluble extract of root bark of Cudrania tricuspidata together with 17 previously identified xanthones. The structures of the new compounds were elucidated by spectroscopic methods. Six new compounds (3, 7, 8, 9, 15, and 16) and six known compounds (18-23) showed neuroprotective effects against 6-hydroxydopamine-induced cell death in human neuroblastoma SH-SY5Y cells, with EC50 values of 0.7-16.6 μM.
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Affiliation(s)
- Jaeyoung Kwon
- Department of Biosystems and Biotechnology, College of Life Sciences and Biotechnology, Korea University , Seoul 136-713, Korea
| | - Nguyen Tuan Hiep
- Department of Biosystems and Biotechnology, College of Life Sciences and Biotechnology, Korea University , Seoul 136-713, Korea
| | - Dong-Woo Kim
- Natural Products Research Institute, College of Pharmacy, Seoul National University , Seoul 151-742, Korea
| | - Bang Yeon Hwang
- College of Pharmacy, Chungbuk National University , Cheongju 361-763, Korea
| | - Hak Ju Lee
- Korea Forest Research Institute , Seoul 130-712, Korea
| | - Woongchon Mar
- Natural Products Research Institute, College of Pharmacy, Seoul National University , Seoul 151-742, Korea
| | - Dongho Lee
- Department of Biosystems and Biotechnology, College of Life Sciences and Biotechnology, Korea University , Seoul 136-713, Korea
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25
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Hu HB, Zhang XW, Wu Y. Antitumor activity of stilbenoids and flavonoids isolated from Acanthopanax brachypus. RUSS J GEN CHEM+ 2014. [DOI: 10.1134/s1070363214070329] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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26
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Jin M, Zhang C, Zheng T, Yao D, Shen L, Luo J, Jiang Z, Ma J, Jin XJ, Cui J, Lee JJ, Li G. A new phenyl glycoside from the aerial parts ofEquisetum hyemale. Nat Prod Res 2014; 28:1813-8. [DOI: 10.1080/14786419.2014.947491] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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27
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Vo VA, Lee JW, Park JH, Kwon JH, Lee HJ, Kim SS, Kwon YS, Chun W. N-(p-Coumaryol)-Tryptamine Suppresses the Activation of JNK/c-Jun Signaling Pathway in LPS-Challenged RAW264.7 Cells. Biomol Ther (Seoul) 2014; 22:200-6. [PMID: 25009700 PMCID: PMC4060082 DOI: 10.4062/biomolther.2014.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Revised: 03/17/2014] [Accepted: 03/24/2014] [Indexed: 01/01/2023] Open
Abstract
N-(p-Coumaryol) tryptamine (CT), a phenolic amide, has been reported to exhibit anti-oxidant and anti-inflammatory activities. However, the underlying mechanism by which CT exerts its pharmacological properties has not been clearly demonstrated. The objective of this study is to elucidate the anti-inflammatory mechanism of CT in lipopolysaccharide (LPS)-challenged RAW264.7 macrophage cells. CT significantly inhibited LPS-induced extracellular secretion of pro-inflammatory mediators such as nitric oxide (NO) and PGE2, and protein expressions of iNOS and COX-2. In addition, CT significantly suppressed LPS-induced secretion of pro-inflammatory cytokines such as TNF-α and IL-1β. To elucidate the underlying anti-inflammatory mechanism of CT, involvement of MAPK and Akt signaling pathways was examined. CT significantly attenuated LPS-induced activation of JNK/c-Jun, but not ERK and p38, in a concentration-dependent manner. Interestingly, CT appeared to suppress LPS-induced Akt phosphorylation. However, JNK inhibition, but not Akt inhibition, resulted in the suppression of LPS-induced responses, suggesting that JNK/c-Jun signaling pathway significantly contributes to LPS-induced inflammatory responses and that LPS-induced Akt phosphorylation might be a compensatory response to a stress condition. Taken together, the present study clearly demonstrates CT exerts anti-inflammatory activity through the suppression of JNK/c-Jun signaling pathway in LPS-challenged RAW264.7 macrophage cells.
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Affiliation(s)
- Van Anh Vo
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 200-701
| | - Jae-Won Lee
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 200-701
| | - Jun-Ho Park
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 200-701
| | - Jae-Hyun Kwon
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 200-701
- Department of Radiology, Dongguk University Ilsan Hospital, Ilsan 410-773, Republic of Korea
| | - Hee Jae Lee
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 200-701
| | - Sung-Soo Kim
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 200-701
| | - Yong-Soo Kwon
- College of Pharmacy, Kangwon National University, Chuncheon 200-701
| | - Wanjoo Chun
- Department of Pharmacology, College of Medicine, Kangwon National University, Chuncheon 200-701
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28
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Lee JW, Kim NH, Kim JY, Park JH, Shin SY, Kwon YS, Lee HJ, Kim SS, Chun W. Aromadendrin Inhibits Lipopolysaccharide-Induced Nuclear Translocation of NF-κB and Phosphorylation of JNK in RAW 264.7 Macrophage Cells. Biomol Ther (Seoul) 2013; 21:216-21. [PMID: 24265867 PMCID: PMC3830120 DOI: 10.4062/biomolther.2013.023] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2013] [Revised: 04/05/2013] [Accepted: 04/12/2013] [Indexed: 11/05/2022] Open
Abstract
Aromadendrin, a flavonol, has been reported to possess a variety of pharmacological activities such as anti-inflammatory, antioxidant, and anti-diabetic properties. However, the underlying mechanism by which aromadendrin exerts its biological activity has not been extensively demonstrated. The objective of this study is to elucidate the anti-inflammatory mechanism of aromadedrin in lipopolysaccharide (LPS)-stimulated RAW 264.7 macrophage cells. Aromadendrin significantly suppressed LPS-induced excessive production of pro-inflammatory mediators such as nitric oxide (NO) and PGE2. In accordance, aromadendrin attenuated LPSinduced overexpression iNOS and COX-2. In addition, aromadendrin significantly suppressed LPS-induced degradation of IκB, which sequesters NF-κB in cytoplasm, consequently inhibiting the nuclear translocation of pro-inflammatory transcription factor NF- κB. To elucidate the underlying signaling mechanism of anti-inflammatory activity of aromadendrin, MAPK signaling pathway was examined. Aromadendrin significantly attenuated LPS-induced activation of JNK, but not ERK and p38, in a concentration-dependent manner. Taken together, the present study clearly demonstrates that aromadendrin exhibits anti-inflammatory activity through the suppression of nuclear translocation of NF-κB and phosphorylation of JNK in LPS-stimulated RAW 264.7 macrophage cells.
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Affiliation(s)
- Jae-Won Lee
- Department of Pharmacology, College of Medicine
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29
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Zhang WY, Lee JJ, Kim Y, Kim IS, Han JH, Lee SG, Ahn MJ, Jung SH, Myung CS. Effect of eriodictyol on glucose uptake and insulin resistance in vitro. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2012; 60:7652-7658. [PMID: 22809065 DOI: 10.1021/jf300601z] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Eriodictyol [2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-2,3-dihydrochromen-4-one] is a flavonoid with anti-inflammatory and antioxidant activities. Because inflammation and oxidative stress play critical roles in the pathogenesis of diabetes mellitus, the present study was designed to explore whether eriodictyol has therapeutic potential for the treatment of type 2 diabetes. The results show that eriodictyol increased insulin-stimulated glucose uptake in both human hepatocellular liver carcinoma cells (HepG2) and differentiated 3T3-L1 adipocytes under high-glucose conditions. Eriodictyol also up-regulated the mRNA expression of peroxisome proliferator-activated receptor γ2 (PPARγ2) and adipocyte-specific fatty acid-binding protein (aP2) as well as the protein levels of PPARγ2 in differentiated 3T3-L1 adipocytes. Furthermore, it reactivated Akt in HepG2 cells with high-glucose-induced insulin resistance. This response was strongly inhibited by pretreatment with the phosphatidylinositol 3-kinase (PI3K) inhibitor LY294002, indicating that eriodictyol increased Akt phosphorylation by activating the PI3K/Akt pathway. These results imply that eriodictyol can increase glucose uptake and improve insulin resistance, suggesting that it may possess antidiabetic properties.
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Affiliation(s)
- Wei-Yun Zhang
- Department of Pharmacology, Chungnam National University College of Pharmacy, Daejeon 305-764, Republic of Korea
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30
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Jeon JS, Kim SM, Lee HJ, Um BH, Kim HK, Kim CY. PREPARATIVE ISOLATION AND PURIFICATION OF PRENYLATED ISOFLAVONOIDS FROM CUDRANIA TRICUSPIDATA FRUITS USING CENTRIFUGAL PARTITION CHROMATOGRAPHY. J LIQ CHROMATOGR R T 2012. [DOI: 10.1080/10826076.2011.621151] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Je-Seung Jeon
- a Functional Food Center, Korea Institute of Science and Technology (KIST) Gangneung Institute , Gangneung , Korea
- b Department of Plant Science , Gangneung-Wonju National University , Gangneung , Korea
| | - Sang-Min Kim
- a Functional Food Center, Korea Institute of Science and Technology (KIST) Gangneung Institute , Gangneung , Korea
| | - Hee Ju Lee
- a Functional Food Center, Korea Institute of Science and Technology (KIST) Gangneung Institute , Gangneung , Korea
| | - Byung Hun Um
- a Functional Food Center, Korea Institute of Science and Technology (KIST) Gangneung Institute , Gangneung , Korea
| | - Hak Ki Kim
- b Department of Plant Science , Gangneung-Wonju National University , Gangneung , Korea
| | - Chul Young Kim
- c College of Pharmacy , Hanyang University , Ansan , Korea
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31
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Affiliation(s)
- Nigel C Veitch
- Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW93AB, UK.
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Zhang WY, Lee JJ, Kim IS, Kim Y, Myung CS. Stimulation of Glucose Uptake and Improvement of Insulin Resistance by Aromadendrin. Pharmacology 2011; 88:266-74. [DOI: 10.1159/000331862] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2010] [Accepted: 07/24/2011] [Indexed: 12/13/2022]
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da Silva BF, Rodrigues-Fo E. Production of a benzylated flavonoid from 5,7,3′,4′,5′-pentamethoxyflavanone by Penicillium griseoroseum. ACTA ACUST UNITED AC 2010. [DOI: 10.1016/j.molcatb.2010.07.022] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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