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Xia B, Ding J, Li Q, Zheng K, Wu J, Huang C, Liu K, You Q, Yuan X. Loganin protects against myocardial ischemia-reperfusion injury by modulating oxidative stress and cellular apoptosis via activation of JAK2/STAT3 signaling. Int J Cardiol 2024; 395:131426. [PMID: 37813285 DOI: 10.1016/j.ijcard.2023.131426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 09/20/2023] [Accepted: 10/06/2023] [Indexed: 10/11/2023]
Abstract
BACKGROUND Myocardial ischemia-reperfusion injury (MIRI) is a pathological process that follows immediate revascularization of myocardial infarction and is characterized by exacerbation of cardiac injury. Loganin, a monoterpene iridoid glycoside derived from Cornus officinalis Sieb. Et Zucc, can exert cardioprotective effects in cardiac hypertrophy and atherosclerosis. However, its role in ischemic heart disease remains largely unknown. METHODS Considering that Janus kinase 2 (JAK2)/ signal transducer and activator of transcription 3 (STAT3) has a protective effect on the heart, we developed a mouse model of MIRI to investigate the potential role of this pathway in loganin-induced cardioprotection. RESULTS Our results showed that treatment with loganin (20 mg/kg) prevented the enlargement of myocardial infarction, myocyte destruction, serum markers of cardiac injury, and deterioration of cardiac function induced by MIRI. Myocardium subjected to I/R treatment exhibited higher levels of oxidative stress, as indicated by an increase in malondialdehyde (MDA) and dihydroethidium (DHE) density and a decrease in total antioxidant capacity (T-AOC), glutathione (GSH), and superoxide dismutase (SOD), whereas treatment with loganin showed significant attenuation of I/R-induced oxidative stress. Loganin treatment also increased the expression of anti-apoptotic Bcl-2 and reduced the expression of caspase-3/9, Bax, and the number of TUNEL-positive cells in ischemic cardiac tissue. Moreover, treatment with loganin triggered JAK2/STAT3 phosphorylation, and AG490, a JAK2/STAT3 inhibitor, partially abrogated the cardioprotective effects of loganin, indicating the essential role of JAK2/STAT3 signaling in the cardioprotective effects of loganin. CONCLUSIONS Our data demonstrate that loganin protects the heart from I/R injury by inhibiting I/R-induced oxidative stress and cellular apoptosis via activation of JAK2/STAT3 signaling.
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Affiliation(s)
- Boyu Xia
- Department of Cardiothoracic Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Jiaqi Ding
- Department of Cardiothoracic Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Qi Li
- Department of Cardiothoracic Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Koulong Zheng
- Department of Cardiology, The Second Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Jingjing Wu
- Department of Cardiology, Suzhou Kowloon Hospital of Shanghai Jiaotong University School of Medicine, Suzhou, Jiangsu, China
| | - Chao Huang
- Department of Pharmacology, School of Pharmacy, Nantong University, Nantong, Jiangsu, China
| | - Kun Liu
- Department of Cardiothoracic Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China
| | - Qingsheng You
- Department of Cardiothoracic Surgery, Affiliated Hospital of Nantong University, Nantong, Jiangsu, China.
| | - Xiaomei Yuan
- Department of Cardiology, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, Sichuan, China.
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Han JH, Lee EJ, Park W, Ha KT, Chung HS. Natural compounds as lactate dehydrogenase inhibitors: potential therapeutics for lactate dehydrogenase inhibitors-related diseases. Front Pharmacol 2023; 14:1275000. [PMID: 37915411 PMCID: PMC10616500 DOI: 10.3389/fphar.2023.1275000] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Accepted: 09/27/2023] [Indexed: 11/03/2023] Open
Abstract
Lactate dehydrogenase (LDH) is a crucial enzyme involved in energy metabolism and present in various cells throughout the body. Its diverse physiological functions encompass glycolysis, and its abnormal activity is associated with numerous diseases. Targeting LDH has emerged as a vital approach in drug discovery, leading to the identification of LDH inhibitors among natural compounds, such as polyphenols, alkaloids, and terpenoids. These compounds demonstrate therapeutic potential against LDH-related diseases, including anti-cancer effects. However, challenges concerning limited bioavailability, poor solubility, and potential toxicity must be addressed. Combining natural compounds with LDH inhibitors has led to promising outcomes in preclinical studies. This review highlights the promise of natural compounds as LDH inhibitors for treating cancer, cardiovascular, and neurodegenerative diseases.
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Affiliation(s)
- Jung Ho Han
- Korean Medicine (KM)-Application Center, Korea Institute of Oriental Medicine (KIOM), Daegu, Republic of Korea
| | - Eun-Ji Lee
- Korean Medicine (KM)-Application Center, Korea Institute of Oriental Medicine (KIOM), Daegu, Republic of Korea
| | - Wonyoung Park
- Korean Convergence Medical Science Major, KIOM Campus, University of Science and Technology (UST), Daegu, Republic of Korea
| | - Ki-Tae Ha
- Korean Convergence Medical Science Major, KIOM Campus, University of Science and Technology (UST), Daegu, Republic of Korea
| | - Hwan-Suck Chung
- Korean Medicine (KM)-Application Center, Korea Institute of Oriental Medicine (KIOM), Daegu, Republic of Korea
- Department of Korean Medical Science, School of Korean Medicine, Pusan National University, Yangsan, Republic of Korea
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Kou B, Jiang Y, Chen Y, Yang J, Sun J, Yan Y, Weng L, Xiao C. A Study of Gentianae Radix et Rhizoma Class Differences Based on Chemical Composition and Core Efficacy. Molecules 2023; 28:7132. [PMID: 37894611 PMCID: PMC10609378 DOI: 10.3390/molecules28207132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 10/14/2023] [Accepted: 10/15/2023] [Indexed: 10/29/2023] Open
Abstract
(1) Background: Establishment of a method for evaluating Gentianae Radix et Rhizoma (GRR) classes based on chemical composition and core efficacy; (2) Methods: Liquid chromatography-mass spectrometry (LC-MS) was used to determine the chemical constituents of GRR-first class (GF) and GRR-second class (GS). The cell viability, liver function, oxidative stress enzyme activity, and inflammatory factor levels of GF and GS on H2O2-induced HepG2 cells were determined with CCK-8, ELISA, and biochemical methods, and the antioxidant activity of the two was evaluated using bioefficacy; ELISA, biochemical methods, real-time fluorescence quantitative polymerase chain reaction (RT-qPCR) method, and Western blot (WB) were used to determine the liver function, oxidative stress enzyme activity, inflammatory factor levels, and expression of related genes and proteins in mice with acute liver injury (ALI) model induced with 0.3% CCl4 olive oil solution after gavage administration; (3) Results: GF and GS had the same types of components, but the cyclic enol ether terpenes such as morinlon goside c, loganin, gentiopicroside, and swertiamarin differed significantly between the two; the effect of GF on CCl4-induced acute hepatic injury in C57BL/6 mice was stronger compared to GS. It helped alleviate weight loss, increase hepatic and splenic indices, improve hepatic lobular structure and hepatocyte status, inhibit collagen deposition, enhance oxidative stress and anti-inflammatory-related genes and protein expression, and decrease apoptotic genes and proteins more significantly than GS; (4) Conclusions: In this study, we established a GRR class evaluation method combining chemical composition and core medicinal effects, which can rapidly determine the differential composition of GF and GS, detect the quality of GRR through antioxidant bioefficacy, and validate it with in vivo experiments, which provides references for the evaluation of the class of GRR and the rational use of medication in the clinic.
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Affiliation(s)
| | | | | | | | | | | | - Lili Weng
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China; (B.K.); (Y.J.); (Y.C.); (J.Y.); (J.S.); (Y.Y.)
| | - Chunping Xiao
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun 130117, China; (B.K.); (Y.J.); (Y.C.); (J.Y.); (J.S.); (Y.Y.)
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Kong X, Zhao Y, Wang X, Yu Y, Meng Y, Yan G, Yu M, Jiang L, Song W, Wang B, Wang X. Loganin reduces diabetic kidney injury by inhibiting the activation of NLRP3 inflammasome-mediated pyroptosis. Chem Biol Interact 2023; 382:110640. [PMID: 37473909 DOI: 10.1016/j.cbi.2023.110640] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 06/19/2023] [Accepted: 07/17/2023] [Indexed: 07/22/2023]
Abstract
Diabetic kidney disease (DKD) is an essential cause of end-stage renal disease. The ongoing inflammatory response in the proximal tubule promotes the progression of DKD. Timely and effective blockade of the inflammatory process to protect the kidney during DKD progression is a proven strategy. The purpose of this study was to investigate the protective effect of loganin on diabetic nephropathy in vivo and in vitro and whether this effect was related to the inhibition of pyroptosis. The results indicated that loganin reduced fasting blood glucose, blood urea nitrogen and serum creatinine concentrations, and alleviated renal pathological changes in DKD mice. In parallel, loganin downregulated the expression of pyroptosis related proteins in the renal tubules of DKD mice and decreased serum levels of interleukin-1beta (IL-1β) and interleukin-18 (IL-18). Furthermore, in vitro experiments showed that loganin attenuated high glucose-induced HK-2 cell injury by reducing the expression of pyroptosis-related proteins, and cytokine levels were also decreased. These fundings were also confirmed in the polyphyllin VI (PPVI) -induced HK-2 cell pyroptosis model. Loganin reduces high glucose induced HK-2 cells pyroptosis by inhibiting reactive oxygen species (ROS) production and NOD-like receptor protein 3 (NLRP3) inflammasome activation. In conclusion, the inhibition of pyroptosis via inhibition of the NLRP3/Caspase-1/Gasdermin D (GSDMD) pathway might be an essential mechanism for loganin treatment of DKD.
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Affiliation(s)
- Xiangri Kong
- College of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, 130117, Jilin, China; Endocrinology Department, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, 130021, Jilin, China
| | - Yunyun Zhao
- Endocrinology Department, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, 130021, Jilin, China
| | - Xingye Wang
- College of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, 130117, Jilin, China; Department of Cardiovascular Medicine, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, 130021, Jilin, China
| | - Yongjiang Yu
- Endocrinology Department, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, 130021, Jilin, China
| | - Ying Meng
- College of Clinical Medical, Changchun University of Chinese Medicine, Changchun, 130117, Jilin, China
| | - Guanchi Yan
- Endocrinology Department, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, 130021, Jilin, China
| | - Miao Yu
- Endocrinology Department, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, 130021, Jilin, China
| | - Lihong Jiang
- Department of Cardiovascular Medicine, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, 130021, Jilin, China
| | - Wu Song
- College of Clinical Medical, Changchun University of Chinese Medicine, Changchun, 130117, Jilin, China.
| | - Bingmei Wang
- College of Clinical Medical, Changchun University of Chinese Medicine, Changchun, 130117, Jilin, China.
| | - Xiuge Wang
- Endocrinology Department, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, 130021, Jilin, China.
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Activation of Nrf2/HO-1 antioxidant signaling correlates with the preventive effect of loganin on oxidative injury in ARPE-19 human retinal pigment epithelial cells. Genes Genomics 2023; 45:271-284. [PMID: 36018494 DOI: 10.1007/s13258-022-01302-4] [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: 04/28/2022] [Accepted: 08/03/2022] [Indexed: 11/04/2022]
Abstract
BACKGROUND Loganin, a type of iridoid glycoside derived from Corni Fructus, is known to have beneficial effects various chronic diseases. However, studies on mechanisms related to antioxidant efficacy in human retinal pigment epithelial (RPE) cells have not yet been conducted. OBJECTIVES This study was to investigate whether loganin could inhibit oxidative stress-mediated cellular damage caused by hydrogen peroxide (H2O2) in human RPE ARPE-19 cells. METHODS The preventive effect of loganin on H2O2-induced cytotoxicity, reactive oxygen species (ROS) generation, DNA damage and apoptosis was investigated. In addition, immunofluorescence staining and immunoblotting analysis were applied to evaluate the related mechanisms. RESULTS The loss of cell viability and increased ROS accumulation in H2O2-treated ARPE-19 cells were significantly abrogated by loganin pretreatment, which was associated with activation of nuclear factor erythroid 2-related factor 2 (Nrf2) and increased expression of heme oxygenase-1 (HO-1). Loganin also markedly attenuated H2O2-induced DNA damage, ultimately ameliorating apoptosis. In addition, H2O2-induced mitochondrial dysfunction was reversed in the presence of loganin as indicated by preservation of mitochondrial integrity, decrease of Bax/Bcl-2 expression ratio, reduction of caspase-3 activity and suppression of cytochrome c release into the cytoplasm. However, zinc protoporphyrin, a selective inhibitor of HO-1, remarkably alleviated the preventive effect offered by loganin against H2O2-mediated ARPE-19 cell injury, suggesting a critical role of Nrf2-mediated activation of HO-1 in the antioxidant activity of loganin. CONCLUSION The results of this study suggest that loganin-induced activation of the Nrf2/HO-1 axis is at least involved in protecting at least ARPE-19 cells from oxidative injury.
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Danielewski M, Gomułkiewicz A, Kucharska AZ, Matuszewska A, Nowak B, Piórecki N, Trocha M, Szandruk-Bender M, Jawień P, Szeląg A, Dzięgiel P, Sozański T. Cornelian Cherry ( Cornus mas L.) Iridoid and Anthocyanin-Rich Extract Reduces Various Oxidation, Inflammation, and Adhesion Markers in a Cholesterol-Rich Diet Rabbit Model. Int J Mol Sci 2023; 24:ijms24043890. [PMID: 36835296 PMCID: PMC9959706 DOI: 10.3390/ijms24043890] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/07/2023] [Accepted: 02/09/2023] [Indexed: 02/17/2023] Open
Abstract
Atherogenesis leads to the development of atherosclerosis, a progressive chronic disease characterized by subendothelial lipoprotein retention and endothelial impairment in the arterial wall. It develops mainly as a result of inflammation and also many other complex processes, which arise from, among others, oxidation and adhesion. Cornelian cherry (Cornus mas L.) fruits are abundant in iridoids and anthocyanins-compounds with potent antioxidant and anti-inflammatory activity. This study aimed to determine the effect of two different doses (10 mg and 50 mg per kg of body weight, respectively) of iridoid and anthocyanin-rich resin-purified Cornelian cherry extract on the markers that are important in the progress of inflammation, cell proliferation and adhesion, immune system cell infiltration, and atherosclerotic lesion development in a cholesterol-rich diet rabbit model. We used biobank blood and liver samples that were collected during the previous original experiment. We assessed the mRNA expression of MMP-1, MMP-9, IL-6, NOX, and VCAM-1 in the aorta, and the serum levels of VCAM-1, ICAM-1, CRP, PON-1, MCP-1, and PCT. The application of the Cornelian cherry extract at a dose of 50 mg/kg bw resulted in a significant reduction in MMP-1, IL-6, and NOX mRNA expression in the aorta and a decrease in VCAM-1, ICAM-1, PON-1, and PCT serum levels. The administration of a 10 mg/kg bw dose caused a significant decrease in serum ICAM-1, PON-1, and MCP-1. The results indicate the potential usefulness of the Cornelian cherry extract in the prevention or treatment of atherogenesis-related cardiovascular diseases, such as atherosclerosis or metabolic syndrome.
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Affiliation(s)
- Maciej Danielewski
- Department of Pharmacology, Wroclaw Medical University, J. Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland
- Correspondence: (M.D.); (T.S.)
| | - Agnieszka Gomułkiewicz
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Wroclaw Medical University, T. Chalubinskiego 6a, 50-368 Wroclaw, Poland
| | - Alicja Z. Kucharska
- Department of Fruit, Vegetable, and Plant Nutraceutical Technology, Wroclaw University of Environmental and Life Sciences, J. Chelmonskiego 37, 51-630 Wroclaw, Poland
| | - Agnieszka Matuszewska
- Department of Pharmacology, Wroclaw Medical University, J. Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland
| | - Beata Nowak
- Department of Pharmacology, Wroclaw Medical University, J. Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland
| | - Narcyz Piórecki
- Bolestraszyce Arboretum and Institute of Physiography, Bolestraszyce 130, 37-722 Wyszatyce, Poland
- Institute of Physical Culture Sciences, Medical College, University of Rzeszow, A. Towarnickiego 3, 35-959 Rzeszow, Poland
| | - Małgorzata Trocha
- Department of Pharmacology, Wroclaw Medical University, J. Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland
| | - Marta Szandruk-Bender
- Department of Pharmacology, Wroclaw Medical University, J. Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland
| | - Paulina Jawień
- Department of Biostructure and Animal Physiology, Wroclaw University of Environmental and Life Sciences, C.K. Norwida 25/27, 50-375 Wroclaw, Poland
| | - Adam Szeląg
- Department of Pharmacology, Wroclaw Medical University, J. Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland
| | - Piotr Dzięgiel
- Division of Histology and Embryology, Department of Human Morphology and Embryology, Wroclaw Medical University, T. Chalubinskiego 6a, 50-368 Wroclaw, Poland
- Department of Physiotherapy, Wroclaw University School of Physical Education, I.J. Paderewskiego 35, 51-612 Wroclaw, Poland
| | - Tomasz Sozański
- Department of Pharmacology, Wroclaw Medical University, J. Mikulicza-Radeckiego 2, 50-345 Wroclaw, Poland
- Correspondence: (M.D.); (T.S.)
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Zhang F, Yan Y, Zhang J, Li L, Wang YW, Xia CY, Lian WW, Peng Y, Zheng J, He J, Xu JK, Zhang WK. Phytochemistry, synthesis, analytical methods, pharmacological activity, and pharmacokinetics of loganin: A comprehensive review. Phytother Res 2022; 36:2272-2299. [PMID: 35583806 DOI: 10.1002/ptr.7347] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 11/13/2021] [Accepted: 11/21/2021] [Indexed: 10/18/2022]
Abstract
Iridoid glycosides (IGs) are found in many medicinal and edible plants, such as Gardenia jasminoides, Cistanche tubulosa, Eucommia ulmoides, Rehmanniae Radix, Lonicera japonica, and Cornus officinalis. Loganin, an IG, is one of the main active ingredient of Cornus officinalis Sieb. et Zucc., which approved as a medicinal and edible plant in China. Loganin has been widely concerned due to its extensive pharmacological effects, including anti-diabetic, antiinflammatory, neuroprotective, and anti-tumor activities, etc. Studies have shown that these underlying mechanisms include anti-oxidation, antiinflammation and anti-apoptosis by regulating a variety of signaling pathways, such as STAT3/NF-κB, JAK/STAT3, TLR4/NF-κB, PI3K/Akt, MCP-1/CCR2, and RAGE/Nox4/p65 NF-κB signaling pathways. In order to better understand the research status of loganin and promote its application in human health, this paper systematically summarized the phytochemistry, analysis methods, synthesis, pharmacological properties and related mechanisms, and pharmacokinetics based on the research in the past decades.
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Affiliation(s)
- Fan Zhang
- Department of Pharmacy & Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, People's Republic of China.,Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
| | - Yu Yan
- Department of Pharmacy & Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, People's Republic of China
| | - Jia Zhang
- School of Life Sciences & School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, People's Republic of China
| | - Li Li
- Key Laboratory of Cosmetic, China National Light Industry, Beijing Technology and Business University, Beijing, People's Republic of China
| | - Yu-Wei Wang
- School of Life Sciences & School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, People's Republic of China
| | - Cong-Yuan Xia
- Department of Pharmacy & Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, People's Republic of China
| | - Wen-Wen Lian
- Department of Pharmacy & Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, People's Republic of China
| | - Ying Peng
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, People's Republic of China
| | - Jiang Zheng
- Wuya College of Innovation, Shenyang Pharmaceutical University, Shenyang, People's Republic of China.,State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, People's Republic of China
| | - Jun He
- Department of Pharmacy & Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, People's Republic of China
| | - Jie-Kun Xu
- School of Life Sciences & School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, People's Republic of China
| | - Wei-Ku Zhang
- Department of Pharmacy & Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, People's Republic of China
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Cheng KI, Chen SL, Hsu JH, Cheng YC, Chang YC, Lee CH, Yeh JL, Dai ZK, Wu BN. Loganin prevents CXCL12/CXCR4-regulated neuropathic pain via the NLRP3 inflammasome axis in nerve-injured rats. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 92:153734. [PMID: 34536822 DOI: 10.1016/j.phymed.2021.153734] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 07/23/2021] [Accepted: 09/01/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND Neuropathic pain has been shown to be modulated by the activation of the chemokine C-X-C motif ligand 12 (CXCL12)/chemokine CXC receptor 4 (CXCR4) dependent nucleotide-binding oligomerization domain (NOD)-like receptor protein 3 (NLRP3) inflammasome. Loganin, an iridoid glycoside, was proven to prevent neuropathic pain, but its underlying mechanisms related to NLRP3 activation are still unknown. PURPOSE This study investigated the underlying mechanisms of loganin's effect on chronic constriction injury (CCI)-induced NLRP3 inflammasome activation in the spinal cord. METHODS Sprague-Dawley rats were randomly divided into four groups: sham, CCI, sham + loganin, and CCI + loganin. Loganin (5 mg/kg/day) was administered intraperitoneally starting the day after surgery. Paw withdrawal threshold (PWT) and latency (PWL) were assessed before CCI and on days 1, 3, 7 and 14 after CCI. Spinal cords were collected for western blots and immunofluorescence studies. RESULTS Loganin prevented CCI-attenuated PWT and PWL, suggesting improved mechanical allodynia and thermal hyperalgesia. The expression of CXCL12, CXCR4, thioredoxin-interacting protein (TXNIP), NLRP3 inflammasome (NLRP3, ASC, and caspase-1), IL-1β, and IL-18 were enhanced on day 7 after CCI, and all were reduced after loganin treatment. Dual immunofluorescence also showed that increased CXCL12, CXCR4, and NLRP3 were colocalized with NeuN (neuronal marker), GFAP (astrocyte marker), and Iba1 (microglial marker) on day 7 in the ipsilateral spinal dorsal horn (SDH). These immunoreactivities were attenuated in loganin-treated rats. Moreover, loganin decreased the assembly of NLRP3/ASC inflammasome after CCI in the ipsilateral SDH. Loganin appears to attenuate CCI-induced neuropathic pain by suppressing CXCL12/CXCR4-mediated NLRP3 inflammasome. CONCLUSION Our findings suggest that loganin might be a suitable candidate for managing CCI-provoked neuropathic pain.
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Affiliation(s)
- Kuang-I Cheng
- Department of Anesthesiology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Anesthesiology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Sin-Lan Chen
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jong-Hau Hsu
- Department of Pediatrics, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Pediatrics, Division of Pediatric Cardiology and Pulmonology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Yu-Chi Cheng
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yu-Chin Chang
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chien-Hsing Lee
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Jwu-Lai Yeh
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Zen-Kong Dai
- Department of Pediatrics, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Pediatrics, Division of Pediatric Cardiology and Pulmonology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
| | - Bin-Nan Wu
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
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Cornelian Cherry ( Cornus mas L.) Iridoid and Anthocyanin Extract Enhances PPAR-α, PPAR-γ Expression and Reduces I/M Ratio in Aorta, Increases LXR-α Expression and Alters Adipokines and Triglycerides Levels in Cholesterol-Rich Diet Rabbit Model. Nutrients 2021; 13:nu13103621. [PMID: 34684622 PMCID: PMC8537201 DOI: 10.3390/nu13103621] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/04/2021] [Accepted: 10/14/2021] [Indexed: 12/12/2022] Open
Abstract
Cornelian cherry (Cornus mas L.) fruits possess potential cardiovascular, lipid-lowering and hypoglycemic bioactivities. The aim of this study is to evaluate the influence of resin-purified cornelian cherry extract rich in iridoids and anthocyanins on several transcription factors, intima/media ratio in aorta and serum parameters, which determine or are valuable indicators of the adverse changes observed in the course of atherosclerosis, cardiovascular disease, and metabolic syndrome. For this purpose, male New Zealand rabbits were fed a diet enriched in 1% cholesterol for 60 days. Additionally, one group received 10 mg/kg b.w. of cornelian cherry extract and the second group 50 mg/kg b.w. of cornelian cherry extract. PPAR-α and PPAR-γ expression in the aorta, LXR-α expression in the liver; cholesterol, triglycerides, adipokines, apolipoproteins, glucose and insulin levels in serum; the intima and media diameter in the thoracic and abdominal aorta were determined. Administration of cornelian cherry extract resulted in an enhancement in the expression of all tested transcription factors, a decrease in triglycerides, leptin and resistin, and an increase in adiponectin levels. In addition, a significant reduction in the I/M ratio was observed for both the thoracic and abdominal aorta. The results we have obtained confirm the potential contribution of cornelian cherry extract to mitigation of the risk of developing and the intensity of symptoms of obesity-related cardiovascular diseases and metabolic disorders such as atherosclerosis or metabolic syndrome.
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An iridoid glycoside from Cornus officinalis balances intestinal microbiome disorder and alleviates alcohol-induced liver injury. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104488] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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Huang F, Wang X, Xiao G, Xiao J. Loganin exerts a protective effect on ischemia-reperfusion-induced acute kidney injury by regulating JAK2/STAT3 and Nrf2/HO-1 signaling pathways. Drug Dev Res 2021; 83:150-157. [PMID: 34189758 DOI: 10.1002/ddr.21853] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 06/09/2021] [Accepted: 06/21/2021] [Indexed: 01/20/2023]
Abstract
To investigate the role of loganin in hypoxia/reperfusion (H/R)-induced renal tubular epithelial cells and ischemia/reperfusion-induced acute kidney injury (AKI). Cells were received H/R treatment and cultured with different concentrations of loganin. The cell activity and apoptosis were detected. The expressions of apoptosis-related proteins, inflammatory factors, oxidative stress related molecules, and related molecules of JAK2/STAT3 and Nrf2/HO-1 signaling pathways were measured. AKI model of mice was established by I/R procedure, and the kidney was collected for hematoxylin and eosin (HE) staining. H/R treatment inhibited cell activity and apoptosis, but loganin attenuated the effect of H/R. Moreover, loganin inhibited H/R-induced inflammatory response and oxidative stress in tubular epithelial cells. Loganin down-regulated the expression of apoptosis-related proteins, suppressed JAK2/STAT3 pathway, and activated Nrf2/HO-1 pathway. In animal experiment, loganin reduced tubular injury in AKI mice.Loganin had anti-apoptotic, anti-inflammatory, and anti-oxidative stress effects on H/R-induced tubular epithelial cells, and could improve AKI in mice induced by I/R. This effect might be achieved by inhibiting JAK2/STAT3 and activating the Nrf2/HO-1 signaling pathway.
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Affiliation(s)
- Fei Huang
- Department of Nephrology, People's Hospital of Jianshi County, Enshi Autonomous, Hubei, China
| | - Xiang Wang
- Department of Nephrology, The Central Hospital of Enshi Tujia and Miao Autonomous Prefecture, Enshi Autonomous, Hubei, China
| | - Guifang Xiao
- Department of Nephrology, People's Hospital of Jianshi County, Enshi Autonomous, Hubei, China
| | - Juan Xiao
- Department of Nephrology, People's Hospital of Jianshi County, Enshi Autonomous, Hubei, China
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Xu JJ, Li RJ, Zhang ZH, Yang C, Liu SX, Li YL, Chen MW, Wang WW, Zhang GY, Song G, Huang ZR. Loganin Inhibits Angiotensin II-Induced Cardiac Hypertrophy Through the JAK2/STAT3 and NF-κB Signaling Pathways. Front Pharmacol 2021; 12:678886. [PMID: 34194329 PMCID: PMC8237232 DOI: 10.3389/fphar.2021.678886] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 05/20/2021] [Indexed: 12/26/2022] Open
Abstract
Loganin is an iridoid glycoside extracted from Cornus officinalis, which is a traditional oriental medicine, and many biological properties of loganin have been reported. Nevertheless, it is not clear whether loganin has therapeutic effect on cardiovascular diseases. Hence, the aim of the present study was to investigate the effect of loganin on Ang II-induced cardiac hypertrophy. In the present study, we reported for the first time that loganin inhibits Ang II-provoked cardiac hypertrophy and cardiac damages in H9C2 cells and in mice. Furthermore, loganin can achieve cardioprotective effects through attenuating cardiac fibrosis, decreasing pro-inflammatory cytokine secretion, and suppressing the phosphorylation of critical proteins such as JAK2, STAT3, p65, and IκBα. Besides, the outstanding findings of the present study were to prove that loganin has no significant toxicity or side effects on normal cells and organs. Based on these results, we conclude that loganin mitigates Ang II-induced cardiac hypertrophy at least partially through inhibiting the JAK2/STAT3 and NF-κB signaling pathways. Accordingly, the natural product, loganin, might be a novel effective agent for the treatment of cardiac hypertrophy and heart failure.
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Affiliation(s)
- Jia-Jia Xu
- Department of Cardiology, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Run-Jing Li
- Department of Cardiology, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Zheng-Hao Zhang
- Department of Cardiology, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Cui Yang
- Department of Cardiology, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Shi-Xiao Liu
- Department of Cardiology, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Yan-Ling Li
- Department of Cardiology, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Min-Wei Chen
- Department of Cardiology, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Wei-Wei Wang
- Cancer Research Center, School of Medicine, Xiamen University, Xiamen, China
| | - Gong-Ye Zhang
- Cancer Research Center, School of Medicine, Xiamen University, Xiamen, China
| | - Gang Song
- Cancer Research Center, School of Medicine, Xiamen University, Xiamen, China
| | - Zheng-Rong Huang
- Department of Cardiology, The First Affiliated Hospital of Xiamen University, Xiamen, China
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Park C, Lee H, Kwon CY, Kim GY, Jeong JW, Kim SO, Choi SH, Jeong SJ, Noh JS, Choi YH. Loganin Inhibits Lipopolysaccharide-Induced Inflammation and Oxidative Response through the Activation of the Nrf2/HO-1 Signaling Pathway in RAW264.7 Macrophages. Biol Pharm Bull 2021; 44:875-883. [PMID: 34078820 DOI: 10.1248/bpb.b21-00176] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Inflammation caused by the excessive secretion of inflammatory mediators in abnormally activated macrophages promotes many diseases along with oxidative stress. Loganin, a major iridoid glycoside isolated from Cornus officinalis, has recently been reported to exhibit anti-inflammatory and antioxidant effects, whereas the underlying mechanism has not yet been fully clarified. Therefore, the aim of the present study is to investigate the effect of loganin on inflammation and oxidative stress in lipopolysaccharide (LPS)-stimulated RAW264.7 macrophages. Our results indicated that loganin treatment markedly attenuated the LPS-mediated phagocytic activity and release of nitric oxide (NO) and prostaglandin E2, which was associated with decreased the expression of inducible NO synthase and cyclooxygenase-2. In addition, loganin suppressed the expression and their extracellular secretion of LPS-induced pro-inflammatory cytokines, such as tumor necrosis factor-α and interleukin-1β. Furthermore, loganin abolished reactive oxygen species (ROS) generation, and promoted the activation of nuclear factor-E2-related factor 2 (Nrf2) and the expression of heme oxygenase-1 (HO-1) in LPS-stimulated macrophages. However, zinc protoporphyrin, a selective HO-1 inhibitor, reversed the loganin-mediated suppression of pro-inflammatory cytokines in LPS-treated macrophages. In conclusion, our findings suggest that the upregulation of the Nrf2/HO-1 signaling pathway is concerned at least in the protective effect of loganin against LPS-mediated inflammatory and oxidative stress, and that loganin can be a potential functional agent to prevent inflammatory and oxidative damage.
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Affiliation(s)
- Cheol Park
- Division of Basic Sciences, College of Liberal Studies, Dong-eui University
| | - Hyesook Lee
- Anti-Aging Research Center, Dong-eui University.,Department of Biochemistry, Dong-eui University College of Korean Medicine
| | - Chan-Young Kwon
- Department of Oriental Neuropsychiatry, Dong-eui University College of Korean Medicine
| | - Gi-Young Kim
- Laboratory of Immunobiology, Department of Marine Life Sciences, Jeju National University
| | - Jin-Woo Jeong
- Nakdonggang National Institute of Biological Resources
| | - Sung Ok Kim
- Department of Food Science & Biotechnology, College of Engineering, Kyungsung University
| | | | - Soon-Jeong Jeong
- Department of Dental Hygiene, College of Health Science, Youngsan University
| | - Jeong Sook Noh
- Department of Food Science & Nutrition, Tongmyong University
| | - Yung Hyun Choi
- Anti-Aging Research Center, Dong-eui University.,Department of Biochemistry, Dong-eui University College of Korean Medicine
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Park C, Cha HJ, Lee H, Kim GY, Choi YH. The regulation of the TLR4/NF-κB and Nrf2/HO-1 signaling pathways is involved in the inhibition of lipopolysaccharide-induced inflammation and oxidative reactions by morroniside in RAW 264.7 macrophages. Arch Biochem Biophys 2021; 706:108926. [PMID: 34029560 DOI: 10.1016/j.abb.2021.108926] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 05/16/2021] [Accepted: 05/17/2021] [Indexed: 02/07/2023]
Abstract
Morroniside, a major iridoid glycoside isolated from Cornus officinalis, has a variety of beneficial pharmacological properties. Although morroniside has recently been reported to exhibit anti-inflammatory and antioxidant effects, the detailed mechanism has not yet been fully elucidated. In this study, we investigated the inhibitory effect of morroniside on inflammatory and oxidative stress activated by lipopolysaccharide (LPS) in RAW 264.7 macrophages. Our results indicated that morroniside pretreatment significantly inhibited the LPS-induced phagocytic activity and release of pro-inflammatory factors, which was associated with blocking the expression of their regulatory genes. Morroniside also markedly suppressed the expression of myeloid differentiation factor 88 as well as Toll-like receptor 4 (TLR4), and attenuated the translocation of nuclear factor-κB (NF-κB) to the nucleus in LPS-treated RAW 264.7 macrophages. Furthermore, morroniside prevented the binding of LPS to the TLR4 on the cell surface. In addition, morroniside abolished reactive oxygen species (ROS) generation, and enhanced the expression of heme oxygenase-1 (HO-1) following activation of nuclear factor-E2-related factor 2 (Nrf2) in LPS-stimulated RAW 264.7 macrophages. However, zinc protoporphyrin, a specific inhibitor of HO-1, reversed the morroniside-mediated inhibition of inflammatory response in LPS-treated RAW 264.7 macrophages. In conclusion, our findings suggest that morroniside exerts LPS-induced anti-inflammatory and antioxidant effects by targeting the TLR4/NF-κB and Nrf2/HO-1 signaling pathways in RAW 264.7 macrophages. Taken together, our findings suggest that morroniside interacted structurally and electrochemically with TLR4/MD2 complex, consequently can be a potential functional agent to prevent inflammatory and oxidative damage.
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Affiliation(s)
- Cheol Park
- Division of Basic Sciences, College of Liberal Studies, Dong-eui University, Busan, 47340, Republic of Korea
| | - Hee-Jae Cha
- Department of Parasitology and Genetics, College of Medicine, Kosin University, Busan, 49104, Republic of Korea
| | - Hyesook Lee
- Anti-Aging Research Center, Dong-eui University, Busan, 47340, Republic of Korea; Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan, 47227, Republic of Korea
| | - Gi-Young Kim
- Department of Marine Life Sciences, School of Marine Biomedical Sciences, Jeju National University, Jeju, 63243, Republic of Korea
| | - Yung Hyun Choi
- Anti-Aging Research Center, Dong-eui University, Busan, 47340, Republic of Korea; Department of Biochemistry, Dong-eui University College of Korean Medicine, Busan, 47227, Republic of Korea.
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Gao X, Liu Y, An Z, Ni J. Active Components and Pharmacological Effects of Cornus officinalis: Literature Review. Front Pharmacol 2021; 12:633447. [PMID: 33912050 PMCID: PMC8072387 DOI: 10.3389/fphar.2021.633447] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 02/24/2021] [Indexed: 12/17/2022] Open
Abstract
Cornus officinalis Sieb. et Zucc. (Shanzhuyu), a herb and food plant in east Asia, has the properties of tonifying the liver and kidney, and nourishing the essence according to the theory of traditional Chinese medicine. C. officinalis has been commonly used to treat asthenia diseases, liver, and kidney diseases, and reproductive system diseases since ancient times. The objectives of this article were to review the pharmacological effects and phytochemistry of C. officinalis. We conducted a literature review of the pharmacological effects of C. officinalis by different systems and compared the effects with the traditional usages, discussed the research status and potential blanks to be filled. The experimental studies showed that C. officinalis extract and its active components had various pharmacological effects such as anti-oxidation, anti-apoptosis, anti-inflammation, anti-diabetes, anti-osteoporosis, immunoregulation, neuroprotection, and cardiovascular protection, but clinical studies are still needed to assess whether the reported pharmacological activities have confirmed efficacy.
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Affiliation(s)
- Xue Gao
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Yi Liu
- School of Chinese Materia Medica, Tianjin University of Chinese Medicine, Tianjin, China
| | - Zhichao An
- Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Jian Ni
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
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Zhang J, Wang C, Wang H, Li X, Xu J, Yu K. Loganin alleviates sepsis-induced acute lung injury by regulating macrophage polarization and inhibiting NLRP3 inflammasome activation. Int Immunopharmacol 2021; 95:107529. [PMID: 33744777 DOI: 10.1016/j.intimp.2021.107529] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 02/21/2021] [Accepted: 02/22/2021] [Indexed: 10/21/2022]
Abstract
Sepsis is a systemic inflammatory response syndrome resulted from severe infection. Excessive inflammation response plays an important role in sepsis-induced acute lung injury (ALI). Loganin is an iridoid glycoside isolated from Corni fructus and exerts an anti-inflammatory effect in multiple inflammatory diseases; however, the role of loganin in sepsis-induced ALI remains unknown. In the current study, the cecal ligation and puncture (CLP)-induced murine sepsis model was constructed to investigate the anti-inflammatory property of loganin in sepsis-induced ALI. Lipopolysaccharide (LPS)-treated Raw 264.7 cells and primary murine peritoneal macrophages were established to further explore underlying mechanism of loganin. Results showed that intragastrical administration of loganin significantly increased murine survival, reduced the alveolar structure damage and inflammatory cell infiltration. Loganin suppressed the release of the M1 macrophage-associated pro-inflammatory cytokines and induced the activation of M2-type anti-inflammatory cytokines. Besides, loganin dramatically inhibited NLRP3 inflammasome-mediated caspase-1 activation and subsequent IL-1β secretion. Further in vitro studies confirmed that loganin efficiently inhibited M1 macrophage polarization and NLRP3 inflammasome activation by blocking the extra-cellular signal-regulated kinase (ERK) and nuclear factor-kappa B (NF-κB) pathways. Taken together, the anti-inflammatory effect of loganin in sepsis-induced ALI was associated with the ERK and NF-κB pathway-mediated macrophage polarization and NLRP3 inflammasome activation. Our study offers a favorable mechanistic basis to support the therapeutic potential of loganin in anti-inflammatory diseases, such as sepsis-induced ALI.
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Affiliation(s)
- Jin Zhang
- Department of Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, Heilongjiang 150001, China
| | - Changsong Wang
- Department of Critical Care Medicine, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, Heilongjiang 150081, China
| | - Hongliang Wang
- Department of Critical Care Medicine, The Second Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, Heilongjiang 150001, China
| | - Xueting Li
- Department of Critical Care Medicine, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, Heilongjiang 150081, China
| | - Jingjing Xu
- Department of Critical Care Medicine, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, Heilongjiang 150081, China
| | - Kaijiang Yu
- Department of Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, Heilongjiang 150001, China.
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Zhang J, Wang C, Kang K, Liu H, Liu X, Jia X, Yu K. Loganin Attenuates Septic Acute Renal Injury with the Participation of AKT and Nrf2/HO-1 Signaling Pathways. DRUG DESIGN DEVELOPMENT AND THERAPY 2021; 15:501-513. [PMID: 33603340 PMCID: PMC7886113 DOI: 10.2147/dddt.s294266] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 01/12/2021] [Indexed: 01/23/2023]
Abstract
Purpose Sepsis, a destructive inflammatory response syndrome, is the principal reason to induce death in the intensive care unit. Loganin has been proved to possess the property of anti-inflammation, antioxidant, neuroprotection, and sedation. The primary aim of this study was to evaluate whether Loganin could alleviate acute kidney injury (AKI) during sepsis and investigate the latent mechanisms. Methods Septic AKI models were established by cecal ligation and puncture (CLP) surgery in mice and given Loganin (20, 40, 80 mg/kg) by gavage. Lipopolysaccharides (LPS)-stimulated human kidney proximal tubular (HK2) cells incubated in Loganin (5, 10, 20 μ M) were used to explore the accurate mechanisms. Survival rate, renal function (creatinine and blood urea nitrogen), and renal pathological changes were detected in septic mice. Oxidative stress markers (SOD, GSH-Px, MDA, and SOD), mitochondrial membrane potential, mitochondrial calcium overload, and nuclear factor E2-related factor 2 (Nrf2)/heme-oxygenase 1 (HO-1) pathway activation in vivo and in vitro were determined by commercial kits and Western blot. Cell apoptosis, apoptotic-related protein (cleaved caspase-3, Bcl-2, and Bax) expression and protein kinase B (AKT) phosphorylation in vivo and in vitro were measured by TUNEL staining and Western blot. Finally, AKT blockage by 10 μM LY294002 or Nrf2 inhibition by10 μ M ML385 were utilized to prove the involvement of AKT and Nrf2/HO-1 pathway in AKI during sepsis. Results We found Loganin treatment (20, 40, 80 mg/kg) mitigated septic AKI reflected by elevated renal function and palliative pathological changes. Oxidative stress and apoptosis in the kidney and LPS-treated HK2 cells were also inhibited by Loganin administration, which was accompanied by AKT and Nrf2/HO-1 pathway activation. Besides, the protective effects of Loganin could be diminished by AKT or Nrf2 blockage, indicating the involvement of AKT and Nrf2/HO-1 pathway. Conclusion The results suggested that the protective effects of Loganin on AKI during sepsis might be mediated by AKT and Nrf2/HO-1 pathway signaling activation in kidney proximal tubular cells.
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Affiliation(s)
- Jin Zhang
- Department of Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, Heilongjiang 150001, People's Republic of China
| | - Changsong Wang
- Department of Critical Care Medicine, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, Heilongjiang 150081, People's Republic of China
| | - Kai Kang
- Department of Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, Heilongjiang 150001, People's Republic of China
| | - Haitao Liu
- Department of Critical Care Medicine, Harbin Medical University Cancer Hospital, Harbin Medical University, Harbin, Heilongjiang 150081, People's Republic of China
| | - Xiaowei Liu
- Department of Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, Heilongjiang 150001, People's Republic of China
| | - Xiaonan Jia
- Department of Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, Heilongjiang 150001, People's Republic of China
| | - Kaijiang Yu
- Department of Critical Care Medicine, The First Affiliated Hospital of Harbin Medical University, Harbin Medical University, Harbin, Heilongjiang 150001, People's Republic of China
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Huang XJ, Chen GX, Cheng H, Ge YB, Li J, Zhang Y. The distribution, uses, and characteristic components of gentianaceae plants in China. WORLD JOURNAL OF TRADITIONAL CHINESE MEDICINE 2021. [DOI: 10.4103/wjtcm.wjtcm_14_21] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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Cheng YC, Chu LW, Chen JY, Hsieh SL, Chang YC, Dai ZK, Wu BN. Loganin Attenuates High Glucose-Induced Schwann Cells Pyroptosis by Inhibiting ROS Generation and NLRP3 Inflammasome Activation. Cells 2020; 9:cells9091948. [PMID: 32842536 PMCID: PMC7564733 DOI: 10.3390/cells9091948] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/18/2020] [Accepted: 08/21/2020] [Indexed: 12/13/2022] Open
Abstract
Diabetic peripheral neuropathy (DPN) is caused by hyperglycemia, which induces oxidative stress and inflammatory responses that damage nerve tissue. Excessive generation of reactive oxygen species (ROS) and NOD-like receptor protein 3 (NLRP3) inflammasome activation trigger the inflammation and pyroptosis in diabetes. Schwann cell dysfunction further promotes DPN progression. Loganin has been shown to have antioxidant and anti-inflammatory neuroprotective activities. This study evaluated the neuroprotective effect of loganin on high-glucose (25 mM)-induced rat Schwann cell line RSC96 injury, a recognized in vitro cell model of DPN. RSC96 cells were pretreated with loganin (0.1, 1, 10, 25, 50 μM) before exposure to high glucose. Loganin’s effects were examined by CCK-8 assay, ROS assay, cell death assay, immunofluorescence staining, quantitative RT–PCR and western blot. High-glucose-treated RSC96 cells sustained cell viability loss, ROS generation, NF-κB nuclear translocation, P2 × 7 purinergic receptor and TXNIP (thioredoxin-interacting protein) expression, NLRP3 inflammasome (NLRP3, ASC, caspase-1) activation, IL-1β and IL-18 maturation and gasdermin D cleavage. Those effects were reduced by loganin pretreatment. In conclusion, we found that loganin’s antioxidant effects prevent RSC96 Schwann cell pyroptosis by inhibiting ROS generation and suppressing NLRP3 inflammasome activation.
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Affiliation(s)
- Yu-Chi Cheng
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (Y.-C.C.); (Y.-C.C.)
| | - Li-Wen Chu
- Department of Nursing, and Department of Cosmetic Application and Management, Yuh-Ing Junior College of Health Care and Management, Kaohsiung 80776, Taiwan;
| | - Jun-Yih Chen
- Division of Neurosurgery, Fooyin University Hospital, Pingtung 92847, Taiwan;
- School of Nursing, Fooyin University, Kaohsiung 83102, Taiwan
| | - Su-Ling Hsieh
- Department of Pharmacy, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan;
| | - Yu-Chin Chang
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (Y.-C.C.); (Y.-C.C.)
| | - Zen-Kong Dai
- Department of Pediatrics, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Department of Pediatrics, Division of Pediatric Cardiology and Pulmonology, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Correspondence: (Z.-K.D.); (B.-N.W.); Tel.: +886-7-3121101-6507 (Z.-K.D.); +886-7-3121101-2139 (B.-N.W.); Fax: +886-7-3208316 (Z.-K.D.); +886-7-3234686 (B.-N.W.)
| | - Bin-Nan Wu
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (Y.-C.C.); (Y.-C.C.)
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Correspondence: (Z.-K.D.); (B.-N.W.); Tel.: +886-7-3121101-6507 (Z.-K.D.); +886-7-3121101-2139 (B.-N.W.); Fax: +886-7-3208316 (Z.-K.D.); +886-7-3234686 (B.-N.W.)
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Wen H, Xing L, Sun K, Xiao C, Meng X, Yang J. Loganin attenuates intestinal injury in severely burned rats by regulating the toll-like receptor 4/NF-κB signaling pathway. Exp Ther Med 2020; 20:591-598. [PMID: 32537017 DOI: 10.3892/etm.2020.8725] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 12/04/2019] [Indexed: 12/21/2022] Open
Abstract
Severe burns may lead to intestinal inflammation and oxidative stress, resulting in intestinal barrier damage and gut dysfunction. Loganin, an iridoid glycoside compound, has been isolated from Cornus officinalis Sieb. et Zucc; however, its role in the treatment of burn injury is yet to be fully elucidated. Therefore, the present study examined the effect of loganin administration on burn-induced intestinal inflammation and oxidative stress after severe burns in male Sprague-Dawley rats. Histological injury was assessed by hematoxylin and eosin staining. Furthermore, cytokine expression in intestinal tissues was measured by ELISA and reverse transcription-quantitative PCR. Antioxidative activities were assessed by determining the levels of reactive oxygen species (ROS), superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GSH-Px) and malondialdehyde (MDA). Apoptosis was detected by flow cytometry. Apoptosis-related proteins, toll-like receptor 4 (TLR4) protein and NF-κB translocation were examined by western blotting. Immunohistochemical staining was used to observe TLR4 and NF-κB p65 expression in intestinal tissues. The present study suggested that loganin administration significantly reduced burn injury-induced intestinal histological changes, tumor necrosis factor-α, interleukin (IL)-6 and IL-1β production and oxidative stress, evidenced by decreased ROS levels and MDA content (P<0.05). Furthermore, loganin increased SOD, CAT and GSH-Px levels and intestinal epithelial cell apoptosis. Loganin treatment also significantly inhibited activation of the TLR4/NF-κB signaling pathway in the intestine of severely burned rats (P<0.05). In conclusion, loganin reduced burns-induced intestinal inflammation and oxidative stress, potentially by regulating the TLR4/NF-κB signaling pathway.
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Affiliation(s)
- Hailing Wen
- Department of Burns and Plastic Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei 067000, P.R. China
| | - Liang Xing
- Department of Burns and Plastic Surgery, The First Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, P.R. China
| | - Kui Sun
- Department of Burns and Plastic Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei 067000, P.R. China
| | - Changshuan Xiao
- Department of Burns and Plastic Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei 067000, P.R. China
| | - Xiangxi Meng
- Department of Burns and Plastic Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei 067000, P.R. China
| | - Jingzhe Yang
- Department of Burns and Plastic Surgery, Affiliated Hospital of Chengde Medical University, Chengde, Hebei 067000, P.R. China
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Chen Y, Jiao N, Jiang M, Liu L, Zhu Y, Wu H, Chen J, Fu Y, Du Q, Xu H, Sun J. Loganin alleviates testicular damage and germ cell apoptosis induced by AGEs upon diabetes mellitus by suppressing the RAGE/p38MAPK/NF-κB pathway. J Cell Mol Med 2020; 24:6083-6095. [PMID: 32307890 PMCID: PMC7294151 DOI: 10.1111/jcmm.15198] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 02/21/2020] [Accepted: 03/04/2020] [Indexed: 12/13/2022] Open
Abstract
Diabetes mellitus (DM) damages male reproduction at multiple levels, such as endocrine secretion, spermatogenesis and penile erection. We herein investigated the protective effects and mechanism of loganin targeting the advanced glycation end products (AGEs)/receptor for AGEs (RAGE)/p38 mitogen-activated protein kinase (p38MAPK)/NF-κB signalling pathway. Loganin relieved the general DM symptoms and decreased the blood glucose level of KK-Ay DM mice. Haematoxylin-eosin staining demonstrated that loganin ameliorated testicular histology and function and enhanced the activities of testis-specific markers lactate dehydrogenase (LDH), acid phosphatase (ACP) and gamma-glutamyl transferase (γ-GT). Loganin also showed evident anti-oxidative stress, anti-apoptotic and anti-inflammatory effects on DM-induced reproductive damage by restoring glutathione (GSH) level and superoxide dismutase (SOD) activity, as well as reducing reactive oxygen species (ROS) level and Bax/Bcl-2 ratio in vivo and in vitro. Western blotting exhibited that loganin significantly inhibited the AGEs/RAGE/p38MAPK/NF-κB signalling pathway. Acridine orange and ethidium bromide staining (AOEB) and Western blotting showed that loganin in combination with inhibitors of RAGE, p38MAPK and NF-κB exerted stronger anti-apoptotic effects on AGE-induced GC-2 cell damage compared with loganin alone. In conclusion, loganin can protect against DM-induced reproductive damage, probably by suppressing the AGEs/RAGE/p38MAPK/NF-κB pathway.
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Affiliation(s)
- Yuping Chen
- Department of Basic Medical Science, Jiangsu Vocational College of Medicine, Yancheng, China.,Chemistry and Life Science College, Nanjing University Jinling College, Nanjing, China.,College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Ni Jiao
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China.,Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Ming Jiang
- Department of Basic Medical Science, Jiangsu Vocational College of Medicine, Yancheng, China
| | - Liping Liu
- Department of Basic Medical Science, Jiangsu Vocational College of Medicine, Yancheng, China
| | - Yihui Zhu
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Hongyan Wu
- Department of Basic Medical Science, Jiangsu Vocational College of Medicine, Yancheng, China
| | - Jing Chen
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yingxue Fu
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Qiu Du
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Huiqin Xu
- College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jihu Sun
- Department of Basic Medical Science, Jiangsu Vocational College of Medicine, Yancheng, China
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22
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Chu LW, Cheng KI, Chen JY, Cheng YC, Chang YC, Yeh JL, Hsu JH, Dai ZK, Wu BN. Loganin prevents chronic constriction injury-provoked neuropathic pain by reducing TNF-α/IL-1β-mediated NF-κB activation and Schwann cell demyelination. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2020; 67:153166. [PMID: 31955133 DOI: 10.1016/j.phymed.2019.153166] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 12/06/2019] [Accepted: 12/28/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Peripheral nerve injury can produce chronic and ultimately neuropathic pain. The chronic constriction injury (CCI) model has provided a deeper understanding of nociception and chronic pain. Loganin is a well-known herbal medicine with glucose-lowering action and neuroprotective activity. PURPOSE This study investigated the molecular mechanisms by which loganin reduced CCI-induced neuropathic pain. METHODS Sprague-Dawley rats were randomly divided into four groups: sham, sham+loganin, CCI and CCI+loganin. Loganin (1 or 5 mg/kg/day) was injected intraperitoneally once daily for 14 days, starting the day after CCI. For behavioral testing, mechanical and thermal responses were assessed before surgery and on d1, d3, d7 and d14 after surgery. Sciatic nerves (SNs) were collected to measure proinflammatory cytokines. Proximal and distal SNs were collected separately for Western blotting and immunofluorescence studies. RESULTS Thermal hyperalgesia and mechanical allodynia were reduced in the loganin-treated group as compared to the CCI group. Loganin (5 mg/kg/day) prevented CCI from inducing proinflammatory cytokines (TNF-α, IL-1β), inflammatory proteins (TNF-α, IL-1β, pNFκB, pIκB/IκB, iNOS) and receptor (TNFR1, IL-1R), adaptor protein (TRAF2) of TNF-α, and Schwann cell demyelination and axonal damage. Loganin also blocked IκB phosphorylation (p-IκB). Double immunofluorescent staining further demonstrated that pNFκB/pIκB protein was reduced by loganin in Schwann cells on d7 after CCI. In the distal stumps of injured SN, Schwann cell demyelination was correlated with pain behaviors in CCI rats. CONCLUSION Our findings indicate that loganin improves CCI-induced neuroinflammation and pain behavior by downregulating TNF-α/IL-1β-dependent NF-κB activation.
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Affiliation(s)
- Li-Wen Chu
- Department of Nursing, Yuh-Ing Junior College of Health Care and Management, Kaohsiung, Taiwan
| | - Kuang-I Cheng
- Department of Anesthesiology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Anesthesiology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Jun-Yih Chen
- Division of Neurosurgery, Fooyin University Hospital, Pingtung, Taiwan; School of Nursing, Fooyin University, Kaohsiung, Taiwan
| | - Yu-Chi Cheng
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yu-Chin Chang
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jwu-Lai Yeh
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Jong-Hau Hsu
- Department of Pediatrics, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Pediatrics, Division of Pediatric Cardiology and Pulmonology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Zen-Kong Dai
- Department of Pediatrics, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Pediatrics, Division of Pediatric Cardiology and Pulmonology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
| | - Bin-Nan Wu
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan.
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Comparative Study of Crude and Wine-Processing Corni Fructus on Chemical Composition and Antidiabetic Effects. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 2019:3986964. [PMID: 31885645 PMCID: PMC6915029 DOI: 10.1155/2019/3986964] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 10/15/2019] [Accepted: 10/23/2019] [Indexed: 12/27/2022]
Abstract
Wine processing is a specialized technology which involves sautéing crude herbal medicine using Chinese rice wine. Herein, we identified the changes in chemical profiles and antidiabetic effects of Corni Fructus (CF) after wine processing in high-fat diet (HFD) streptozotocin- (STZ-) induced diabetic mice. A novel high-efficiency method for simultaneously quantifying gallic acid, 5-hydroxymethylfurfural, morroniside, loganin, sweroside, and cornuside by UPLC was developed, and validating crude and wine-processing CF was done for the first time. Mice were randomly divided into the following groups and orally given different solutions for 4 weeks: normal group (NC, 0.4% (w/v) CMC-Na), model group (DM, 0.4% (w/v) CMC-Na), crude CF group (CP, 3.87 g/kg), and wine-processing CF group (PP, 3.87 g/kg) followed by HFD and multiple subcutaneous injection of STZ (40 mg/kg) to induce the diabetes model except the NC group. Biochemical indexes (body weight, fasting blood glucose level, lipid level, insulin, and free fatty acid) and other parameters involving liver toxicity were measured with commercial kits and immunohistochemical method. Comparative studies on pharmacology showed that the crude extracts possess higher efficacy on hypoglycemia and hypolipidemia, while wine-processing products exhibit better effects on liver preservation. Our data suggested that wine processing was recommended when CF was used for protecting the liver; however, crude products should be used as antidiabetic drugs.
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Monkey orange fruit juice improves the nutritional quality of a maize-based diet. Food Res Int 2019; 116:870-877. [PMID: 30717017 DOI: 10.1016/j.foodres.2018.09.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 09/06/2018] [Accepted: 09/08/2018] [Indexed: 12/18/2022]
Abstract
This paper studied the nutritional impact of the use of juice from Strychnos cocculoides (monkey orange) in a maize-based porridge. Monkey orange juice is traditionally used to supplement maize porridge - a staple breakfast cereal especially for vulnerable groups. Monkey orange fruits contain high amounts of micronutrients and phenolic compounds and are widely distributed throughout sub-Saharan Africa. The valuable components can be efficiently extracted by traditional and pectinase maceration techniques. The bioaccessibility of minerals and main phenolic compounds in maize porridge (5 g maize meal) supplemented by monkey orange juice (100 ml) were assessed after in-vitro digestion together with the kinetics of starch degradation. Caffeic and protocatechuic acids exceeded 100%, and chlorogenic acid 81% bioaccessibility after simulated intestinal digestion. Rutin was undetected after the simulated intestinal phase due to precipitation in the pellet. In-vitro bioaccessibility of minerals ranged from 12 to 62% in monkey orange enriched porridge. A 50-70% decrease of starch hydrolysis was observed at the end of the simulated intestinal digestion of monkey orange maize porridge confirming the known potential of phenolic compounds to decrease the glycaemic index of starch-rich foods. Consequently monkey orange juice appeared a suitable ingredient to enrich staple maize porridge thanks to its micronutrients and health benefit potential. Similar relationships of other fruits and starchy foods warrant study as a means to improve the nutritional quality of the diets of malnourished populations.
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25
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Park HM, Hong JH. Antioxidant Effects of Bioactive Compounds Isolated from Pressurized Steam-Treated Corni Fructus and Their Protective Effects Against UVB-Irradiated HS68 Cells. J Med Food 2018; 21:1165-1172. [PMID: 30153070 DOI: 10.1089/jmf.2017.4149] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
This study evaluated the antioxidant and protective effects of bioactive compounds isolated from pressurized steam-treated Corni Fructus (PSC). We had previously tested the protective effects of the furan fraction containing 5-hydroxymethylfurfural (5-HMF), polyphenol fraction containing gallic acid, and iridoid glycoside fraction containing morroniside and loganin. We measured the potency of antioxidant activities of the bioactive compounds isolated from PSC via oxygen radical absorbance capacity (ORAC), 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging, and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical scavenging assays. One fraction in particular (named F-2) not only contained high amounts of phenolics but also had potent antioxidant activities. The protective effects of F-2 were evaluated by measuring the levels of the collagen-degrading enzyme, matrix metalloproteinase-1 (MMP-1), and the marker of collagen biosynthesis, procollagen type I C-peptide (PIP), in UVB-treated HS68 fibroblasts. MMP-1 levels decreased in an F-2 concentration-dependent manner, and PIP secretion from the cultured HS68 cells was significantly higher than that from the UVB-irradiated cultures alone. Further, F-2 attenuated UVB-induced MMP-1 and ameliorated UVB-downregulated collagen type I alpha 1 mRNA expression in HS68 cells. Therefore, F-2 isolated from PSC is a good candidate for the prevention of skin damage from free radicals in various skin conditions.
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Affiliation(s)
- Hye-Mi Park
- Department of Food Science and Technology, Daegu Catholic University , Gyeongsan, South Korea
| | - Joo-Heon Hong
- Department of Food Science and Technology, Daegu Catholic University , Gyeongsan, South Korea
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26
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Kang J, Guo C, Thome R, Yang N, Zhang Y, Li X, Cao X. Hypoglycemic, hypolipidemic and antioxidant effects of iridoid glycosides extracted from Corni fructus: possible involvement of the PI3K-Akt/PKB signaling pathway. RSC Adv 2018; 8:30539-30549. [PMID: 35546813 PMCID: PMC9085420 DOI: 10.1039/c8ra06045b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 08/22/2018] [Indexed: 11/26/2022] Open
Abstract
Iridoid glycosides (CIG) are the major component of Corni fructus. In this work, we researched the antioxidative, hypoglycemic and lowering blood lipids effects of CIG on diabetic mice induced by a high-fat diet (HFD) and streptozotocin (STZ). Furthermore, to investigate the molecular mechanism of action, the phosphorylation and protein expression of phosphoinositide 3-kinase (PI3K) and its downstream proteins, such as insulin receptor (INSR), protein kinase B (Akt/PKB) and glucose transporter 4 (GLUT4) have been detected. The results showed that CIG significantly improved oral glucose tolerance in diabetic mice. Biochemical indices also revealed that CIG had a positive effect on lipid metabolism and oxidative stress. In addition, CIG can significantly enhance the expression level of the PI3K-Akt/PKB pathway related proteins in skeletal muscle, which is the key pathway of insulin metabolism. These findings show that CIG can improve the hyperglycemia and hyperlipidemia of HFD-STZ-induced diabetic mice through the PI3K-Akt/PKB signaling pathway, and CIG might be a potential medicine or functional food for type 2 diabetes mellitus remedies.
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Affiliation(s)
- Jiefang Kang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University Xi'an Shaanxi China
| | - Chen Guo
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University Xi'an Shaanxi China
| | - Rodolfo Thome
- Department of Neurology, Thomas Jefferson University Philadelphia PA 19107 USA
| | - Ning Yang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University Xi'an Shaanxi China
| | - Yuan Zhang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University Xi'an Shaanxi China
| | - Xing Li
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University Xi'an Shaanxi China
| | - Xiaoyan Cao
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, College of Life Sciences, Shaanxi Normal University Xi'an Shaanxi China
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27
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Zhou Q, Wang Y, Zhang J, Shao Y, Li S, Wang Y, Cai H, Feng Y, Le W. Fingerprint analysis of Huolingshengji Formula and its neuroprotective effects in SOD1 G93A mouse model of amyotrophic lateral sclerosis. Sci Rep 2018; 8:1668. [PMID: 29374221 PMCID: PMC5786035 DOI: 10.1038/s41598-018-19923-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Accepted: 01/10/2018] [Indexed: 01/11/2023] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal neurological disease characterized by progressive loss of motor neurons. There are no definitive pathogenic mechanisms and effective treatments for ALS now. Traditional Chinese medicine (TCM) plays an important role in Chinese health care system. Huolingshengji Formula (HLSJ) is a TCM formula which is applied for treating flaccid syndrome. Our previous clinical study has indicated that HLSJ may have therapeutic effects in ALS patients. In the present study, we analyzed the chemical profile of HLSJ by the high-performance liquid chromatographic (HPLC) fingerprint analysis. And we investigated the therapeutic effects and neuroprotective mechanisms of HLSJ against ALS in SOD1G93A mouse model. Eleven typical peaks were identified by the fingerprint analysis of HLSJ, and the HPLC method had good precision, repeatability and stability. Consistent with our clinical studies, HLSJ significantly prolonged the lifespan, extended the disease duration, and prevented the motor neuron loss in the anterior horn of the lumbar spinal cords in SOD1G93A ALS model mice. Additionally, HLSJ alleviated the atrophy of the gastrocnemius muscles and ameliorated the apoptotic and inflammatory levels in the spinal cords of SOD1G93A mice. Collectively, our study indicated that HLSJ might be a novel candidate for the treatment of ALS.
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Affiliation(s)
- Qinming Zhou
- Institute of Neurology, Ruijin Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 200025, PR China
| | - Youjie Wang
- Engineering Research Center of Modern Preparation Technology of TCM, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, PR China
| | - Jingjing Zhang
- Liaoning Provincial Center for Clinical Research on Neurological Diseases, the First Affiliated Hospital, Dalian Medical University, Dalian, 116021, PR China
- Liaoning Provincial Key Laboratory for Research on the Pathogenic Mechanisms of Neurological Diseases, the First Affiliated Hospital, Dalian Medical University, Dalian, 116021, PR China
| | - Yaping Shao
- Liaoning Provincial Center for Clinical Research on Neurological Diseases, the First Affiliated Hospital, Dalian Medical University, Dalian, 116021, PR China
- Liaoning Provincial Key Laboratory for Research on the Pathogenic Mechanisms of Neurological Diseases, the First Affiliated Hospital, Dalian Medical University, Dalian, 116021, PR China
| | - Song Li
- Liaoning Provincial Center for Clinical Research on Neurological Diseases, the First Affiliated Hospital, Dalian Medical University, Dalian, 116021, PR China
- Liaoning Provincial Key Laboratory for Research on the Pathogenic Mechanisms of Neurological Diseases, the First Affiliated Hospital, Dalian Medical University, Dalian, 116021, PR China
| | - Yuan Wang
- Engineering Research Center of Modern Preparation Technology of TCM, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, PR China
| | - Huaibin Cai
- Laboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, 20837, USA
| | - Yi Feng
- Engineering Research Center of Modern Preparation Technology of TCM, Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, PR China.
| | - Weidong Le
- Institute of Neurology, Ruijin Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, 200025, PR China.
- Liaoning Provincial Center for Clinical Research on Neurological Diseases, the First Affiliated Hospital, Dalian Medical University, Dalian, 116021, PR China.
- Liaoning Provincial Key Laboratory for Research on the Pathogenic Mechanisms of Neurological Diseases, the First Affiliated Hospital, Dalian Medical University, Dalian, 116021, PR China.
- Collaborative Innovation Center for Brain Science, the First Affiliated Hospital, Dalian Medical University, Dalian, 116021, PR China.
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Xu R, Qi J, Zhan RJ, Zhou GS, Hao B, Ma J, Wei X, Xu AJ, Zhang J. Comparative pharmacokinetics of four active components on normal and diabetic rats after oral administration of Gandi capsules. RSC Adv 2018; 8:6620-6628. [PMID: 35540372 PMCID: PMC9078286 DOI: 10.1039/c7ra11420f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 02/26/2018] [Accepted: 01/23/2018] [Indexed: 11/21/2022] Open
Abstract
The Gandi capsule, a famous traditional Chinese medicine (TCM), is a hospital preparation that has been widely used in China for decades for the treatment of diabetes.
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Affiliation(s)
- Renjie Xu
- Department of Pharmacy
- Xinhua Hospital
- Shanghai 200092
- China
| | - Jia Qi
- Department of Pharmacy
- Xinhua Hospital
- Shanghai 200092
- China
| | - Ruan-Juan Zhan
- Department of Pharmacy
- The First Affiliated Hospital
- Wenzhou Medical University
- Wenzhou
- China
| | - Gui-Sheng Zhou
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine
- Nanjing University of Chinese Medicine
- Nanjing 210023
- China
| | - Bin Hao
- School of Pharmacy
- Shanghai Jiao Tong University
- Shanghai 200240
- China
| | - Jing Ma
- Department of Pharmacy
- Xinhua Hospital
- Shanghai 200092
- China
| | - Xin Wei
- Department of Pharmacy
- Xinhua Hospital
- Shanghai 200092
- China
| | - A.-Jing Xu
- Department of Pharmacy
- Xinhua Hospital
- Shanghai 200092
- China
| | - Jian Zhang
- Department of Pharmacy
- Xinhua Hospital
- Shanghai 200092
- China
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Guo Y, Gu Z, Liu X, Liu J, Ma M, Chen B, Wang L. Rapid Analysis of Corni fructus Using Paper Spray-Mass Spectrometry. PHYTOCHEMICAL ANALYSIS : PCA 2017; 28:344-350. [PMID: 28239915 DOI: 10.1002/pca.2681] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 01/18/2017] [Accepted: 01/27/2017] [Indexed: 06/06/2023]
Abstract
INTRODUCTION Paper spray-mass spectrometry (PS-MS) is a kind of ambient MS technique for the rapid analysis of samples. Corni fructus has been widely used in traditional Chinese compound preparations and healthy food. However, a number of counterfeits of Corni fructus, such as Crataegi fructus, Lycii fructus, and grape skin are illegally sold in crude herb markets. Therefore, the development of a rapid and high-throughput quality evaluation method is important for ensuring the effectiveness and safety of the crude materials of Corni fructus. OBJECTIVE To develop PS-MS chemical profiles and a semi-quantitative method of Corni fructus for quality assessment and control, and species distinction of Corni fructus. METHODOLOGY Both positive and negative ion PS-MS chemical profiles were constructed for species distinction. The statistical analysis of the chemical profiles was accomplished by principal component analysis (PCA). Rapid semi-quantitative analysis of loganin and morroniside in the extracts of Corni fructus were accomplished by PS-MS. RESULTS The profiles of the Corni fructus and Crataegi fructus samples were clearly clustered into two categories. The limit of quantification (LOQ) in the semi-quantitative analysis was 6 μg/mL and 5.6 μg/mL for loganin and morroniside, respectively. CONCLUSION PS-MS is a simple, rapid, and high-throughput method for the quality control and species distinction of Corni fructus. Copyright © 2017 John Wiley & Sons, Ltd.
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Affiliation(s)
- Yuan Guo
- Key Laboratory of Phytochemical R&D of Hunan Province and Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research, Ministry of Education, Hunan Normal University, Changsha, 410081, P. R. China
| | - Zhixin Gu
- Key Laboratory of Phytochemical R&D of Hunan Province and Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research, Ministry of Education, Hunan Normal University, Changsha, 410081, P. R. China
| | - Xuemei Liu
- Key Laboratory of Phytochemical R&D of Hunan Province and Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research, Ministry of Education, Hunan Normal University, Changsha, 410081, P. R. China
| | - Jingjing Liu
- Key Laboratory of Phytochemical R&D of Hunan Province and Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research, Ministry of Education, Hunan Normal University, Changsha, 410081, P. R. China
| | - Ming Ma
- Key Laboratory of Phytochemical R&D of Hunan Province and Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research, Ministry of Education, Hunan Normal University, Changsha, 410081, P. R. China
| | - Bo Chen
- Key Laboratory of Phytochemical R&D of Hunan Province and Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research, Ministry of Education, Hunan Normal University, Changsha, 410081, P. R. China
| | - Liping Wang
- Hunan Analysis and Testing Centre, Changsha, 410004, P. R. China
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30
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Tseng YT, Chen CS, Jong YJ, Chang FR, Lo YC. Loganin possesses neuroprotective properties, restores SMN protein and activates protein synthesis positive regulator Akt/mTOR in experimental models of spinal muscular atrophy. Pharmacol Res 2016; 111:58-75. [DOI: 10.1016/j.phrs.2016.05.023] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 05/03/2016] [Accepted: 05/04/2016] [Indexed: 12/21/2022]
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31
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West BJ, Deng S, Uwaya A, Isami F, Abe Y, Yamagishi SI, Jensen CJ. Iridoids are natural glycation inhibitors. Glycoconj J 2016; 33:671-81. [PMID: 27306206 DOI: 10.1007/s10719-016-9695-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 05/02/2016] [Accepted: 06/02/2016] [Indexed: 12/17/2022]
Abstract
Glycation of amino acid residues in proteins leads to the eventual formation of advanced glycation end products (AGEs). AGE formation significantly influences human health and the aging process. AGE accumulation rates may be slowed by modifications to lifestyle or by pharmacological strategies. But the use of therapeutic drugs is not an appropriate means of controlling AGEs within the general population. However, phytochemical constituents in plant-based foods exhibit anti-glycation activities and may be more appropriate for general consumption. Among these phytochemicals are iridoids. The anti-AGE potential of iridoids has been demonstrated in vitro and in vivo, while also revealing possible mechanisms of action. Inclusion of iridoid food sources in the diet may be a useful component of strategies intended to mitigate AGE accumulation within the body.
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Affiliation(s)
- Brett J West
- Research and Development, Morinda, Inc., 737 East 1180 South, American Fork, UT, 84003, USA.
| | - Shixin Deng
- Research and Development, Morinda, Inc., 737 East 1180 South, American Fork, UT, 84003, USA
| | - Akemi Uwaya
- Research and Development, Morinda, Inc., 737 East 1180 South, American Fork, UT, 84003, USA
| | - Fumiyuki Isami
- Research and Development, Morinda, Inc., 737 East 1180 South, American Fork, UT, 84003, USA
| | - Yumi Abe
- Anti-Aging Medical Research Center and Glycation Stress Research Center, Doshisha University, Kyoto, Japan
| | | | - C Jarakae Jensen
- Research and Development, Morinda, Inc., 737 East 1180 South, American Fork, UT, 84003, USA
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Kim H, Youn K, Ahn MR, Kim OY, Jeong WS, Ho CT, Jun M. Neuroprotective effect of loganin against Aβ25-35-induced injury via the NF-κB-dependent signaling pathway in PC12 cells. Food Funct 2016; 6:1108-16. [PMID: 25778782 DOI: 10.1039/c5fo00055f] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Amyloid-beta (Aβ) protein, the main constituent of senile plaques, is believed to play a pivotal role in the pathogenesis of Alzheimer's disease (AD). AD is closely associated with inflammatory reactions which are considered to be responses to Aβ deposition. The present study investigated the effect of loganin on Aβ25-35-induced inflammatory damage and the underlying molecular mechanism of its neuroprotective action. Loganin predominantly prevented Aβ25-35-stimulated cell death through suppressing ROS generation, and attenuating apoptosis by inhibiting caspase-3 activity and regulating cell cycle. Furthermore, loganin suppressed the level of TNF-α and protein expression of iNOS and COX-2 in Aβ25-35-injured PC12 cells. These inhibitions appeared to correlate with the suppression of NF-κB activation by loganin, as pre-treating cells with loganin blocked the translocation of NF-κB into the nuclear compartment and degradation of the inhibitory subunit IκB. Loganin substantially inhibited phosphorylation of MAPKs including ERK1/2, p38 and JNK, which are closely related to regulation of NF-κB activation. Taken together, the results implied that loganin attenuated neuroinflammatory responses through the inactivation of NF-κB by NF-κB dependent inflammatory pathways and phosphorylation of MAPK in Aβ25-35-induced PC12 cells.
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Affiliation(s)
- Hyeri Kim
- Department of Food Science and Nutrition, Dong-A University, Busan 604-714, Korea.
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Kim MJ, Bae GS, Jo IJ, Choi SB, Kim DG, Shin JY, Lee SK, Kim MJ, Shin S, Song HJ, Park SJ. Loganin protects against pancreatitis by inhibiting NF-κB activation. Eur J Pharmacol 2015; 765:541-50. [PMID: 26407655 DOI: 10.1016/j.ejphar.2015.09.019] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Revised: 09/09/2015] [Accepted: 09/14/2015] [Indexed: 12/27/2022]
Abstract
Acute pancreatitis (AP) is an inflammatory disease of the pancreas, which, in its most severe form, is associated with multi-organ failure and death. Loganin, a major iridoid glycoside obtained from Corni fructus, has been shown to have anti-inflammatory and anti-shock effects. However, the effects of loganin on AP have not been determined. Pre-treatment of loganin reduced pancreatic damage and AP-associated lung injury and attenuated the severity of AP, as evidenced by (1) a reduction in several biochemical parameters (pancreatic weight to body weight ratio, myeloperoxidase activity, and level of amylase) and (2) production of pro-inflammatory cytokines such as interleukin (IL)-1β and tumor necrosis factor (TNF)-α. However, post-treatment of loganin failed to improve pancreatic damage and biochemical parameters of AP, but could inhibit the AP-induced elevation of IL-1β and TNF-α significantly. In addition, cerulein-induced activation of nuclear factor (NF)-κB was inhibited in the pancreas by administration of loganin. In conclusion, these results suggest that loganin exhibits an anti-inflammatory effect in cases of AP and its pulmonary complications through inhibition of NF-κB activation.
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Affiliation(s)
- Myoung-Jin Kim
- Department of Herbology, School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea; BK21 Plus Team, Professional Graduate School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea
| | - Gi-Sang Bae
- Department of Herbology, School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea; Hanbang Body-fluid Research Center, Wonkwang University, Iksan, Jeonbuk, South Korea
| | - Il-Joo Jo
- Department of Herbology, School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea; Hanbang Body-fluid Research Center, Wonkwang University, Iksan, Jeonbuk, South Korea
| | - Sun-Bok Choi
- Department of Herbology, School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea; BK21 Plus Team, Professional Graduate School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea
| | - Dong-Goo Kim
- Department of Herbology, School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea; BK21 Plus Team, Professional Graduate School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea
| | - Joon-Yeon Shin
- Department of Herbology, School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea; Hanbang Body-fluid Research Center, Wonkwang University, Iksan, Jeonbuk, South Korea
| | - Sung-Kon Lee
- Department of Herbology, School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea; BK21 Plus Team, Professional Graduate School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea
| | - Min-Jun Kim
- Department of Herbology, School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea; BK21 Plus Team, Professional Graduate School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea
| | - Soyoung Shin
- Department of Pharmacy, College of Pharmacy, Wonkwang University, Iksan, Jeonbuk, South Korea
| | - Ho-Joon Song
- Department of Herbology, School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea; BK21 Plus Team, Professional Graduate School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea
| | - Sung-Joo Park
- Department of Herbology, School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea; BK21 Plus Team, Professional Graduate School of Oriental Medicine, Wonkwang University, Iksan, Jeonbuk, South Korea; Hanbang Body-fluid Research Center, Wonkwang University, Iksan, Jeonbuk, South Korea.
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Liu L, Cen Y, Liu F, Yu J, Jiang X, Chen X. Analysis of α-amylase inhibitor from corni fructus by coupling magnetic cross-linked enzyme aggregates of α-amylase with HPLC–MS. J Chromatogr B Analyt Technol Biomed Life Sci 2015; 995-996:64-9. [DOI: 10.1016/j.jchromb.2015.05.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2014] [Revised: 05/01/2015] [Accepted: 05/14/2015] [Indexed: 01/15/2023]
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Loganin attenuates diabetic nephropathy in C57BL/6J mice with diabetes induced by streptozotocin and fed with diets containing high level of advanced glycation end products. Life Sci 2015; 123:78-85. [DOI: 10.1016/j.lfs.2014.12.028] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2014] [Revised: 11/29/2014] [Accepted: 12/30/2014] [Indexed: 01/01/2023]
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Chemical Constituents from Roots of Cephalaria media. Chem Nat Compd 2014. [DOI: 10.1007/s10600-014-1075-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Liao CL, Hsu SC, Yu CC, Yang JS, Tang NY, Wood WG, Lin JG, Chung JG. The crude extract of Corni Fructus induces apoptotic cell death through reactive oxygen species-modulated pathways in U-2 OS human osteosarcoma cells. ENVIRONMENTAL TOXICOLOGY 2014; 29:1020-1031. [PMID: 23239598 DOI: 10.1002/tox.21832] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2012] [Revised: 10/24/2012] [Accepted: 11/02/2012] [Indexed: 06/01/2023]
Abstract
Crude extract of Corni Fructus (CECF) has been used in Traditional Chinese medicine for the treatment of different diseases for hundreds of years. The purpose of this study was to investigate the cytotoxic effects of CECF on U-2 OS human osteosarcoma cells. Flow cytometry was used for measuring the percentage of viable cells, cell-cycle distribution, apoptotic cells in sub-G1 phase, reactive oxygen species (ROS), Ca(2+) levels, and mitochondrial membrane potential (ΔΨm ). Comet assay and 4'-6-diamidino-2-phenylindole staining were used for examining DNA damage and condensation. Western blotting was used to examine apoptosis-associated protein levels in U-2 OS cells after exposed to CECF. Immunostaining and confocal laser system microscope were used to examine protein translocation after CECF incubation. CECF decreased the percentage of viability, induced DNA damage and DNA condensation, G₀/G₁ arrest, and apoptosis in U-2 OS cells. CECF-stimulated activities of caspase-8, caspase-9, and caspase-3, ROS, and Ca(2+) production, decreased ΔΨm levels of in U-2 OS cells. CECF increased protein levels of caspase-3, caspase-9, Bax, cytochrome c, GRP78, AIF, ATF-6α, Fas, TRAIL, p21, p27, and p16 which were associated with cell-cycle arrest and apoptosis. These findings suggest that CECF triggers apoptosis in U-2 OS cells via ROS-modulated caspase-dependent and -independent pathways.
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Affiliation(s)
- Ching-Lung Liao
- Graduate Institute of Chinese Medicine, China Medical University, Taichung 404, Taiwan, Republic of China
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Gong N, Fan H, Ma AN, Xiao Q, Wang YX. Geniposide and its iridoid analogs exhibit antinociception by acting at the spinal GLP-1 receptors. Neuropharmacology 2014; 84:31-45. [PMID: 24747181 DOI: 10.1016/j.neuropharm.2014.04.007] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2013] [Revised: 04/07/2014] [Accepted: 04/09/2014] [Indexed: 12/25/2022]
Abstract
We recently discovered that the activation of the spinal glucagon-like peptide-1 receptors (GLP-1Rs) by the peptidic agonist exenatide produced antinociception in chronic pain. We suggested that the spinal GLP-1Rs are a potential target molecule for the management of chronic pain. This study evaluated the antinociceptive activities of geniposide, a presumed small molecule GLP-1R agonist. Geniposide produced concentration-dependent, complete protection against hydrogen peroxide-induced oxidative damage in PC12 and HEK293 cells expressing rat and human GLP-1Rs, but not in HEK293T cells that do not express GLP-1Rs. The orthosteric GLP-1R antagonist exendin(9-39) right-shifted the concentration-response curve of geniposide without changing the maximal protection, with identical pA2 values in both cell lines. Subcutaneous and oral geniposide dose-dependently blocked the formalin-induced tonic response but not the acute flinching response. Subcutaneous and oral geniposide had maximum inhibition of 72% and 68%, and ED50s of 13.1 and 52.7 mg/kg, respectively. Seven days of multidaily subcutaneous geniposide and exenatide injections did not induce antinociceptive tolerance. Intrathecal geniposide induced dose-dependent antinociception, which was completely prevented by spinal exendin(9-39), siRNA/GLP-1R and cyclic AMP/PKA pathway inhibitors. The geniposide iridoid analogs geniposidic acid, genipin methyl ether, 1,10-anhydrogenipin, loganin and catalpol effectively inhibited hydrogen peroxide-induced oxidative damage and formalin pain in an exendin(9-39)-reversible manner. Our results suggest that geniposide and its iridoid analogs produce antinociception during persistent pain by activating the spinal GLP-1Rs and that the iridoids represented by geniposide are orthosteric agonists of GLP-1Rs that function similarly in humans and rats and presumably act at the same binding site as exendin(9-39).
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Affiliation(s)
- Nian Gong
- King's Lab, Shanghai Jiao Tong University, School of Pharmacy, 800 Dongchuan Road, Shanghai 200240, China
| | - Hui Fan
- King's Lab, Shanghai Jiao Tong University, School of Pharmacy, 800 Dongchuan Road, Shanghai 200240, China
| | - Ai-Niu Ma
- King's Lab, Shanghai Jiao Tong University, School of Pharmacy, 800 Dongchuan Road, Shanghai 200240, China
| | - Qi Xiao
- King's Lab, Shanghai Jiao Tong University, School of Pharmacy, 800 Dongchuan Road, Shanghai 200240, China
| | - Yong-Xiang Wang
- King's Lab, Shanghai Jiao Tong University, School of Pharmacy, 800 Dongchuan Road, Shanghai 200240, China.
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Nair SV, Zhang J, Wang Y. Ethanol extract of Liuwei Dihuang reduces weight gain and visceral fat in obese-prone CD rats fed a high-fat diet. Exp Biol Med (Maywood) 2014; 239:552-8. [PMID: 24603076 DOI: 10.1177/1535370214525313] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
The current study investigated the effect and mechanisms of action of Liuwei Dihuang ethanol extract (LWDH-EE) on obesity and related metabolic phenotypes in male obese-prone CD rats. The rats were fed a high-fat diet and treated with 0 (obese control), 350 (EE350), or 700 (EE700) mg/kg/d of LWDH-EE in water once a day by gavage feeding for 10 weeks. The EE700 decreased body weight after 3 weeks of the treatment and the effect was maintained throughout the remaining study period. The EE700 also significantly reduced visceral fat and improved metabolic phenotypes by lowering the serum total cholesterol (T-C), non-high-density lipoprotein cholesterol, triacylglycerol, free fatty acids (FFA), and leptin levels. The EE350 reduced epididymal fat, serum T-C, and FFA but did not significantly affect other parameters. LWDH-EE dose-dependently increased fat and carbohydrate oxidations, energy expenditure, and the relative efficiency of fat oxidation for energy expenditure. EE350 and EE700 reduced food intake only in week 5 and did not affect the accumulative food intake in every week and the entire treatment period. Taken together, the results suggest that LWDH-EE is a potential therapeutic agent for the prevention of obesity possibly through a primary action of increasing energy metabolism and expenditure, along with a possible effect of decreasing energy intake.
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Affiliation(s)
- Sandhya Vg Nair
- Aquatic and Crop Resource Development, National Research Council of Canada, Charlottetown, PE C1A 4P3, Canada
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Noh HJ, Seo HM, Lee JH, Chang YH. Physicochemical and Sensory Properties of Yogurt Supplemented with Corni fructus during Storage. Prev Nutr Food Sci 2014; 18:45-9. [PMID: 24471109 PMCID: PMC3867155 DOI: 10.3746/pnf.2013.18.1.045] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2013] [Accepted: 03/08/2013] [Indexed: 11/06/2022] Open
Abstract
This study was carried out to determine a possibility of adding Corni fructus extract (CFE) into yogurt for improving the neutraceutical properties of yogurt and the effects of adding CFE (2∼6%, v/v) on the physicochemical and sensory properties of the products during a 15-day storage period at 4°C. Incorporation of CFE into the yogurt samples resulted in a significant pH reduction and a significant increase in titratable acidity. When evaluating the color of the yogurt, the L*-values were not significantly influenced by CFE supplementation; however, the a*- and b*-values significantly increased with the addition of CFE during storage. The power law and Casson models were applied to assess the flow behavior of CFE-added yogurt samples. The magnitudes of apparent viscosity (ηa,100), consistency index (K), and yield stress (σoc) for 4∼6% CFE yogurt samples were significantly greater than those for the control, indicating that CFE can be used as a thickening agent for yogurt. The sensory test revealed that addition of CFE (2∼4%) to yogurt did not significantly affect the overall scores, but the overall preference score for 6% CFE yogurt was significantly decreased. Based on the data obtained from the present study, we concluded that the concentrations (2∼4%) of CFE could be used to produce a CFE-added yogurt without the significantly adverse effects on the physicochemical and sensory properties.
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Affiliation(s)
- Hyo Ju Noh
- Department of Food Science and Engineering, Daegu University, Gyeongbuk 712-714, Korea
| | - Hye Min Seo
- Department of Food Science and Engineering, Daegu University, Gyeongbuk 712-714, Korea
| | - Jun Ho Lee
- Department of Food Science and Engineering, Daegu University, Gyeongbuk 712-714, Korea
| | - Yoon Hyuk Chang
- Department of Food Science and Engineering, Daegu University, Gyeongbuk 712-714, Korea
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Beneficial Effect of 7-O-Galloyl-D-sedoheptulose, a Polyphenol Isolated from Corni Fructus, against Diabetes-Induced Alterations in Kidney and Adipose Tissue of Type 2 Diabetic db/db Mice. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:736856. [PMID: 24348717 PMCID: PMC3853307 DOI: 10.1155/2013/736856] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2013] [Accepted: 09/07/2013] [Indexed: 02/07/2023]
Abstract
Traditional medicines are being focused on as possible treatments for diabetes and its complications because of their negligible toxic and/or side effects. In line with this, our group has reported that Corni Fructus, a traditional medicine considered exhibiting beneficial effects on liver and kidney functions, possessed an antidiabetic effect via ameliorating glucose-mediated metabolic disorders. To add to these findings, we screened the iridoid glycoside fraction containing morroniside and loganin, and low molecular weight polyphenol fraction containing 7-O-galloyl-d-sedoheptulose (GS) from Corni Fructus. To our knowledge, GS is a compound only detected in Corni Fructus, and its biological activity has been poorly understood until now. For these reasons, we examined whether GS has an ameliorative effect on diabetic changes using type 2 diabetic db/db mice. Our findings suggest that GS has a beneficial effect on the pathological state of the serum, kidney, and adipose tissue related to diabetic damage.
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Babri S, Hasani Azami S, Mohaddes G. Effect of Acute Administration of loganin on Spatial Memory in Diabetic Male Rats. Adv Pharm Bull 2013; 3:91-5. [PMID: 24312818 DOI: 10.5681/apb.2013.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2012] [Revised: 10/17/2012] [Accepted: 10/17/2012] [Indexed: 01/21/2023] Open
Abstract
PURPOSE Diabetes is associated with memory and learning disorder. The purpose of this study is to determine the effect of acute oral administration of loganin on memory in diabetic male rats. METHODS 42 male Wistar rats (250-300 g) were divided into six groups: Control, Diabetic (1 week), Diabetic (12 weeks), Loganin, Diabetic (1 week) + Loganin, Diabetic (12 weeks) + Loganin. Diabetes was induced by IP injection of Streptozotocin (60 mg/kg). Loganin (40 mg/kg, po) was administrated 1 hour before test. Then, spatial memory was compared between groups with Morris Water Maze tests. RESULTS Administration of loganin during acquisition, significantly (p<0.05) decreased both escape latency and traveled distance to find hidden platform in 1 and 12 weeks diabetic rats. In evaluation of recall phase of memory, loganin significantly (p<0.05) increased time and distance spent in the target quadrant in 1 and 12 weeks diabetic rats. CONCLUSION Acute administration of loganin could improve spatial memory in diabetic rats.
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Affiliation(s)
- Shirin Babri
- Neuroscience Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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