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Li M, Jiang H, Wang Y, Xu Z, Xu H, Chen Y, Zhu J, Lin Z, Zhang M. Effect of arctigenin on neurological diseases: A review. JOURNAL OF ETHNOPHARMACOLOGY 2023; 315:116642. [PMID: 37236381 DOI: 10.1016/j.jep.2023.116642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 04/25/2023] [Accepted: 05/14/2023] [Indexed: 05/28/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Arctium lappa L. is a common specie of Asteraceae. Its main active ingredient, Arctigenin (AG), in mature seeds exerts pharmacological effects on the Central Nervous System (CNS). AIM OF THE STUDY To review studies on the specific effects of the AG mechanism on various CNS diseases and elucidate signal transduction mechanisms and their pharmacological actions. MATERIALS AND METHODS This investigation reviewed the essential role of AG in treating neurological disorders. Basic information on Arctium lappa L. was retrieved from the Pharmacopoeia of the People's Republic of China. The related articles from 1981 to 2022 on the network database (including CNKI, PubMed, and Wan Fang and so on) were reviewed using AG and CNS diseases-related terms such as Arctigenin and Epilepsy. RESULTS It was confirmed that AG has a therapeutic effect on Alzheimer's disease, Glioma, infectious CNS diseases (such as Toxoplasma and Japanese Encephalitis Virus), Parkinson's disease, Epilepsy, etc. In these diseases, related experiments such as a Western blot analysis revealed that AG could alter the content of some key factors (such as the reduction of Aβ in Alzheimer's disease). However, in-vivo AG's metabolic process and possible metabolites are still undetermined. CONCLUSION Based on this review, the existing pharmacological research has indeed made objective progress to elucidate how AG prevents and treats CNS diseases, especially senile degenerative disease such as Alzheimer's diseases. It was revealed that AG could be used as a potential nervous system drug as it has a wide range of effects in theory with markedly high application value, especially in the elder group. However, the existing studies are limited to in-vitro experiments; therefore, little is known about how AG metabolizes and functions in-vivo, limiting its clinical application and requiring further research.
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Affiliation(s)
- Mopu Li
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Haibin Jiang
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yanan Wang
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Zidi Xu
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hang Xu
- The First School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yuetong Chen
- The First School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jianghu Zhu
- Department of Pediatrics, The Second School of Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China; Key Laboratory of Perinatal Medicine of Wenzhou, Wenzhou, Zhejiang, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for Pediatric Disease, Wenzhou, Zhejiang, China.
| | - Zhenlang Lin
- Department of Pediatrics, The Second School of Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China; Key Laboratory of Perinatal Medicine of Wenzhou, Wenzhou, Zhejiang, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for Pediatric Disease, Wenzhou, Zhejiang, China.
| | - Min Zhang
- Department of Pediatrics, The Second School of Medicine, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China; Key Laboratory of Perinatal Medicine of Wenzhou, Wenzhou, Zhejiang, China; Key Laboratory of Structural Malformations in Children of Zhejiang Province, Wenzhou, Zhejiang, China; Zhejiang Provincial Clinical Research Center for Pediatric Disease, Wenzhou, Zhejiang, China.
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Wu D, Jin L, Huang X, Deng H, Shen QK, Quan ZS, Zhang C, Guo HY. Arctigenin: pharmacology, total synthesis, and progress in structure modification. J Enzyme Inhib Med Chem 2022; 37:2452-2477. [PMID: 36093586 PMCID: PMC9481144 DOI: 10.1080/14756366.2022.2115035] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Arctium lappa L. is a prevalent medicinal herb and a health supplement that is commonly used in Asia. Over the last few decades, the bioactive component arctigenin has attracted the attention of researchers because of its anti-inflammatory, antioxidant, immunomodulatory, multiple sclerosis fighting, antitumor, and anti-leukemia properties. After summarising the research and literature on arctigenin, this study outlines the current status of research on pharmacological activity, total synthesis, and structural modification of arctigenin. The purpose of this study is to assist academics in obtaining a more comprehensive understanding of the research progress on arctigenin and to provide constructive suggestions for further investigation of this useful molecule.
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Affiliation(s)
- Dan Wu
- Key Laboratory of Natural Medicines of the Changbai Mountain, Affifiliated Ministry of Education, College of Pharmacy, Yanbian University, Jilin, China
| | - Lili Jin
- Key Laboratory of Natural Medicines of the Changbai Mountain, Affifiliated Ministry of Education, College of Pharmacy, Yanbian University, Jilin, China
| | - Xing Huang
- Key Laboratory of Natural Medicines of the Changbai Mountain, Affifiliated Ministry of Education, College of Pharmacy, Yanbian University, Jilin, China
| | - Hao Deng
- Key Laboratory of Natural Medicines of the Changbai Mountain, Affifiliated Ministry of Education, College of Pharmacy, Yanbian University, Jilin, China
| | - Qing-kun Shen
- Key Laboratory of Natural Medicines of the Changbai Mountain, Affifiliated Ministry of Education, College of Pharmacy, Yanbian University, Jilin, China
| | - Zhe-shan Quan
- Key Laboratory of Natural Medicines of the Changbai Mountain, Affifiliated Ministry of Education, College of Pharmacy, Yanbian University, Jilin, China
| | - Changhao Zhang
- Key Laboratory of Natural Medicines of the Changbai Mountain, Affifiliated Ministry of Education, College of Pharmacy, Yanbian University, Jilin, China
| | - Hong-Yan Guo
- Key Laboratory of Natural Medicines of the Changbai Mountain, Affifiliated Ministry of Education, College of Pharmacy, Yanbian University, Jilin, China
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Jee SC, Lee KM, Kim M, Lee YJ, Kim S, Park JO, Sung JS. Neuroprotective Effect of Cudrania tricuspidata Fruit Extracts on Scopolamine-Induced Learning and Memory Impairment. Int J Mol Sci 2020; 21:ijms21239202. [PMID: 33276674 PMCID: PMC7730846 DOI: 10.3390/ijms21239202] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/30/2020] [Accepted: 11/30/2020] [Indexed: 11/16/2022] Open
Abstract
Cudrania tricuspidata has diverse biological activities, such as antioxidant, anti-inflammatory, anticancer, and neuroprotective effects. This study investigated the protective effects of C. tricuspidata fruit extracts (CTFE) against scopolamine (SCO)-induced neuron impairment. The neuroprotective effects of CTFE on SCO-induced memory dysfunction were confirmed in mice using the Barnes maze test. The results showed that co-treatment of SCO and CTFE increased the stay time in the target zone compared with SCO treatment alone. Similarly, the results obtained by the fear conditioning test revealed that SCO-CTFE co-treatment induced the freezing action time under both the contextual fear condition and the cued fear condition compared with SCO treatment alone. Moreover, we showed that CTFE reduced the SCO-induced acetylcholinesterase (AChE) activity, thereby increasing the acetylcholine concentration in mice hippocampal tissues. Consistent with the improvement of memory and recognition function in vivo, our in vitro results showed that CTFE induced cAMP response element binding protein (CREB) and extracellular regulated kinase 1/2 (ERK1/2) activity in PC12 cells and reduced SCO-induced AChE activity. In addition, the microarray results of the hippocampal tissue support our data showing that CTFE affects gene expressions associated with neurogenesis and neuronal cell differentiation markers such as spp1 and klk6. Overall, CTFE exerts a neuroprotective effect via regulation of the CREB and ERK1/2 signaling pathways and could be a therapeutic candidate for neurodegenerative diseases.
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Affiliation(s)
| | | | | | | | | | | | - Jung-Suk Sung
- Correspondence: ; Tel.: +82-31-961-5132; Fax: +82-31-961-5108
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Tao Y, Yue M, Lv C, Yun X, Qiao S, Fang Y, Wei Z, Xia Y, Dai Y. Pharmacological activation of ERβ by arctigenin maintains the integrity of intestinal epithelial barrier in inflammatory bowel diseases. FASEB J 2019; 34:3069-3090. [PMID: 31908053 DOI: 10.1096/fj.201901638rr] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 12/09/2019] [Accepted: 12/17/2019] [Indexed: 12/29/2022]
Abstract
Intestinal epithelial barrier dysfunction is deeply involved in the pathogenesis of inflammatory bowel diseases (IBD). Arctigenin, the main active constituent in Fructus Arctii (a traditional Chinese medicine), has previously been found to attenuate colitis induced by dextran sulfate sodium (DSS) in mice. The present study investigated whether and how arctigenin protects against the disruption of the intestinal epithelial barrier in IBD. Arctigenin maintained the intestinal epithelial barrier function of mice with DSS- and TNBS-induced colitis. In Caco-2 and HT-29 cells, arctigenin lowered the monolayer permeability, increased TEER, reversed the abnormal expression of tight junction proteins, and restored the altered localization of F-actin induced by TNF-α and IL-1β. The specific antagonist PHTPP or shRNA of ERβ largely weakened the protective effect of arctigenin on the epithelial barrier function of Caco-2 and HT-29 cells. Molecular docking demonstrated that arctigenin had high affinity for ERβ mainly through hydrogen bonds as well as hydrophobic effects, and the protective effect of arctigenin on the intestinal barrier function was largely diminished in ERβ-mutated (ARG346 and/or GLU305) Caco-2 cells. Moreover, arctigenin-blocked TNF-α induced increase of the monolayer permeability in Caco-2 and HT-29 cells and the activation of myosin light chain kinase (MLCK)/myosin light chain (MLC) pathway in an ERβ-dependent manner. ERβ deletion in colons of mice with DSS-induced colitis resulted in a significant attenuation of the protective effect of arctigenin on the barrier integrity and colon inflammation. Arctigenin maintained the integrity of the intestinal epithelial barrier under IBD by upregulating the expression of tight junction proteins through the ERβ-MLCK/MLC pathway.
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Affiliation(s)
- Yu Tao
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Mengfan Yue
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Changjun Lv
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Xinming Yun
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Simiao Qiao
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yulai Fang
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Zhifeng Wei
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yufeng Xia
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yue Dai
- Department of Pharmacology of Chinese Materia Medica, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, China
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Neuroprotective Effects of an Aqueous Extract of Forsythia viridissima and Its Major Constituents on Oxaliplatin-Induced Peripheral Neuropathy. Molecules 2019; 24:molecules24061177. [PMID: 30934631 PMCID: PMC6471886 DOI: 10.3390/molecules24061177] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 03/20/2019] [Accepted: 03/22/2019] [Indexed: 12/21/2022] Open
Abstract
The dried fruits of Forsythia viridissima have been prescribed to relive fever, pain, vomiting, and nausea in traditional medicine. Oxaliplatin (LOHP) is used to treat advanced colorectal cancer; however, it frequently induces peripheral neuropathies. This study was done to evaluate the neuroprotective effects of an aqueous extract of Forsythia viridissima fruits (EFVF) and its major constituents. Chemical constituents from EFVF were characterized and quantified with the UHPLC-diode array detector method, and three major constituents were identified as arctiin, matairesinol, and arctigenin. The in vitro cytotoxicity was measured by the Ez-cytox viability assay, and the in vivo neuroprotection activity was evaluated by a von Frey test in two rodent animal models that were administered LOHP. EFVF significantly alleviated the LOHP-induced mechanical hypersensitivity in the induction model. EFVF also prevented the induction of mechanical hyperalgesia by LOHP in the pre- and co-treatment of LOHP and EFVF. Consistently, EFVF exerted protective effects against LOHP-induced neurotoxicity as well as inhibited neurite outgrowths in PC12 and dorsal root ganglion cells. Among the major components of EFVF, arctigenin and matairesinol exerted protective effects against LOHP-induced neurotoxicity. Therefore, EFVF may be useful for relieving or preventing LOHP-induced peripheral neuropathy in cancer patients undergoing chemotherapy with LOHP.
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Repeated arctigenin treatment produces antidepressant- and anxiolytic-like effects in mice. Brain Res Bull 2018; 146:79-86. [PMID: 30597190 DOI: 10.1016/j.brainresbull.2018.12.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 12/06/2018] [Accepted: 12/10/2018] [Indexed: 01/11/2023]
Abstract
Depression is the root of various diseases. It is one of the most debilitating conditions globally. Antidepressant drugs are usually the first-line of depression treatment. Arctigenin (ARC), one of active ingredient of Arctium lappa L, has been found to exert neuroprotective, anti-decrepitude, and anti-inflammatory activities. Thus, the aim of this study was to investigate the potential antidepressant- and anxiolytic-like effects of ARC using acute and chronic mild stress (CMS) mice model. ICR mice model received acute stress or chronic mild stress assessed by open field test (OFT), novelty suppressed feeding (NSF), sucrose preference test (SPT), forced-swimming test (FST), and tail suspension test (TST). After the final test, blood was collected to detect the serum levels of angiogenin (ANG), thrombopoietin (TPO), and vascular endothelial growth factor (VEGF) by enzyme-linked immunosorbent assay (ELISA). The behavioral results showed that repeated ARC (10, 30 mg/kg) administration significantly relieved the antidepressant- and anxiolytic-like effects. And repeated ARC administration at the dose of 10 and 30 mg/kg could significantly block depressive- and anxiety-like behaviors caused by CMS. Finally, ELISA results showed that ARC administration increased the serum levels of angiogenin (ANG), thrombopoietin (TPO), and vascular endothelial growth factor (VEGF). Results showed that chronic ARC administration produces antidepressant- and anxiolytic-like effects, which provides direct evidence for the first time that ARC may be a novel strategy for the treatment of depression and even stress-related disorders. The present data supports further exploration for developing ARC administration as a novel therapeutic strategy for depression and even stress-related disorders.
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7
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Zhong Y, Zhu Y, He T, Li W, Li Q, Miao Y. Brain-derived neurotrophic factor inhibits hyperglycemia-induced apoptosis and downregulation of synaptic plasticity-related proteins in hippocampal neurons via the PI3K/Akt pathway. Int J Mol Med 2018; 43:294-304. [PMID: 30365051 PMCID: PMC6257855 DOI: 10.3892/ijmm.2018.3933] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Accepted: 10/04/2018] [Indexed: 11/06/2022] Open
Abstract
It is not known whether brain-derived neurotrophic factor (BDNF) protects hippocampal neurons from high glucose-induced apoptosis and/or synaptic plasticity dysfunction. The present study aimed to assess whether BDNF exerted a neuroprotective effect in rat hippocampal neurons exposed to high glucose and examine the underlying mechanisms. The apoptosis of primary hippocampal neurons was assessed by Annexin V-fluorescein isothiocyanate/propidium iodide staining. The mRNA and protein expression levels were measured by reverse transcription- quantitative polymerase chain reaction and western blot experiments, respectively. Synaptic plasticity was evaluated by the immunolocalization of synaptophysin (Syn). Exposure of the hippocampal neurons to high glucose (75 mM for 72 h) resulted in cell apoptosis, decreased mRNA and protein expression levels of three synaptic plasticity-related proteins (Syn, Arc and cyclic AMP response element-binding protein), and changes in the cellular distribution of Syn, indicating loss of synaptic density. These effects of high glucose were partially or completely reversed by prior administration of BDNF (50 ng/ml for 24 h). Pre-treatment with wortmannin, a phosphatidylinositol-3-kinase (PI3K) inhibitor, suppressed the ability of BDNF to inhibit the effects of high glucose. In addition, BDNF significantly upregulated the tropomyosin-related kinase B, its cognate receptor, Akt and phosphorylated Akt at the protein levels under high glucose conditions. In conclusion, high glucose induced apoptosis and downregulated synaptic plasticity-related proteins in hippocampal neurons. These effects were reversed by BDNF via the PI3K/Akt signaling pathway.
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Affiliation(s)
- Yuan Zhong
- Department of Gerontology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, P.R. China
| | - Yitong Zhu
- Department of Gerontology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, P.R. China
| | - Ting He
- Department of Gerontology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, P.R. China
| | - Wei Li
- Department of Gerontology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, P.R. China
| | - Qinjie Li
- Department of Gerontology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, P.R. China
| | - Ya Miao
- Department of Gerontology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, P.R. China
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Sun Y, Tan YJ, Lu ZZ, Li BB, Sun CH, Li T, Zhao LL, Liu Z, Zhang GM, Yao JC, Li J. Arctigenin Inhibits Liver Cancer Tumorigenesis by Inhibiting Gankyrin Expression via C/EBPα and PPARα. Front Pharmacol 2018; 9:268. [PMID: 29636686 PMCID: PMC5880935 DOI: 10.3389/fphar.2018.00268] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Accepted: 03/09/2018] [Indexed: 01/19/2023] Open
Abstract
Burdock (Arctium lappa) is a popular vegetable in China and Japan that is consumed for its general health benefits. The principal active component of burdock is arctigenin, which shows a range of bioactivities in vivo and in vitro. Here, we investigated the potential anti-tumor effects of arctigenin using two human hepatocellular carcinoma (HCC) cell lines, HepG2 and Hep3B, and sought to elucidate its potential mechanisms of action. Our results showed that arctigenin treatment inhibited cell growth in both HepG2 and Hep3B cell lines (IC50 of 4.74 nM for HepG2 cells, and of 59.27 nM for Hep3B cells). In addition, migration, invasion, and colony formation by HepG2 cells were significantly inhibited by arctigenin. By contrast, treatment of Hep3B cells with arctigenin did not alter these parameters. Arctigenin also significantly reduced the levels of gankyrin mRNA and protein in HepG2 cells, but not in Hep3B cells. A luciferase assay indicated that arctigenin targeted the -450 to -400 region of the gankyrin promoter. This region is also the potential binding site for both C/EBPα and PPARα, as predicted and confirmed by an online software analysis and ChIP assay. Additionally, a co-immunoprecipitation (Co-IP) assay showed that binding between C/EBPα and PPARα was increased in the presence of arctigenin. However, arctigenin did not increase the expression of C/EBPα or PPARα protein. A binding screening assay and liquid chromatography-mass spectrometry (LC-MS) were performed to identify the mechanisms by which arctigenin regulates gankyrin expression. The results suggested that arctigenin could directly increase C/EBPα binding to the gankyrin promoter (-432 to -422 region), but did not affect PPARα binding. Expression of gankyrin, C/EBPα, and PPARα were analyzed in tumor tissues of patients using real-time PCR. Both C/EBPα and PPARα showed negative correlations with gankyrin. In tumor-bearing mice, arctigenin had a significant inhibitory effect on HCC growth. In conclusion, our results suggested that arctigenin could inhibit liver cancer growth by directly recruiting C/EBPα to the gankyrin promoter. PPARα subsequently bound to C/EBPα, and both had a negative regulatory effect on gankyrin expression. This study has identified a new mechanism of action of arctigenin against liver cancer growth.
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Affiliation(s)
- Ying Sun
- Shandong New Time Pharmaceutical Co., Ltd., Lunan Pharmaceutical Group Co., Ltd., Linyi, China.,State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Yu-Jun Tan
- Shandong New Time Pharmaceutical Co., Ltd., Lunan Pharmaceutical Group Co., Ltd., Linyi, China.,Center for New Drug Safety Evaluation of Lunan Pharmaceutical, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Zhan-Zhao Lu
- Shandong New Time Pharmaceutical Co., Ltd., Lunan Pharmaceutical Group Co., Ltd., Linyi, China.,State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Bing-Bing Li
- Shandong New Time Pharmaceutical Co., Ltd., Lunan Pharmaceutical Group Co., Ltd., Linyi, China.,Center for New Drug Safety Evaluation of Lunan Pharmaceutical, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Cheng-Hong Sun
- Shandong New Time Pharmaceutical Co., Ltd., Lunan Pharmaceutical Group Co., Ltd., Linyi, China.,Center for New Drug Safety Evaluation of Lunan Pharmaceutical, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Tao Li
- Shandong New Time Pharmaceutical Co., Ltd., Lunan Pharmaceutical Group Co., Ltd., Linyi, China.,Center for New Drug Safety Evaluation of Lunan Pharmaceutical, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Li-Li Zhao
- Shandong New Time Pharmaceutical Co., Ltd., Lunan Pharmaceutical Group Co., Ltd., Linyi, China.,State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Zhong Liu
- Shandong New Time Pharmaceutical Co., Ltd., Lunan Pharmaceutical Group Co., Ltd., Linyi, China.,State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China.,Center for New Drug Safety Evaluation of Lunan Pharmaceutical, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Gui-Min Zhang
- Shandong New Time Pharmaceutical Co., Ltd., Lunan Pharmaceutical Group Co., Ltd., Linyi, China.,State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China.,Center for New Drug Safety Evaluation of Lunan Pharmaceutical, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Jing-Chun Yao
- Shandong New Time Pharmaceutical Co., Ltd., Lunan Pharmaceutical Group Co., Ltd., Linyi, China.,State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, China.,Center for New Drug Safety Evaluation of Lunan Pharmaceutical, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
| | - Jie Li
- Shandong New Time Pharmaceutical Co., Ltd., Lunan Pharmaceutical Group Co., Ltd., Linyi, China.,Center for New Drug Safety Evaluation of Lunan Pharmaceutical, Lunan Pharmaceutical Group Co., Ltd., Linyi, China
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Heng Li S, Wang LT, Deng X, NanJiao Y, Kong L, Fu M, Jia LQ, Yang JX, Ren L. Electroacupuncture Rescued the Impairment of Hippocampal Neurons in Perimenopausal Depression Rats via Activating the CREB/BDNF Pathway. INT J PHARMACOL 2018. [DOI: 10.3923/ijp.2018.164.178] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Park SH, Cho JY, Oh SW, Kang M, Lee SE, Yoo JA, Jung K, Lee J, Lee SY, Lee J. Arctigenin protects against ultraviolet-A-induced damage to stemness through inhibition of the NF-κB/MAPK pathway. Chem Biol Interact 2018; 282:63-68. [PMID: 29317250 DOI: 10.1016/j.cbi.2018.01.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 10/15/2017] [Accepted: 01/05/2018] [Indexed: 12/28/2022]
Abstract
The stemness of stem cells is negatively affected by ultraviolet A (UVA) irradiation. This study was performed to examine the effects of arctigenin on UVA-irradiation-induced damage to the stemness of human mesenchymal stem cells (hMSCs) derived from adipose tissue. The mechanisms of action of arctigenin were also investigated. A BrdU-incorporation assay demonstrated that arctigenin attenuated the UVA-induced reduction of the cellular proliferative potential. Arctigenin also increased the UVA-induced reduction in stemness of hMSCs by upregulating stemness-related genes such as SOX2, OCT4, and NANOG. In addition, the UVA-induced reduction in the mRNA expression level of hypoxia-inducible factor (HIF)-1α was significantly recovered by arctigenin. The antagonizing effect of arctigenin on UVA irradiation was mediated by reduced PGE2 production through the inhibition of MAPKs (p42/44 MAPK, p38 MAPK, and JNK) and NF-κB. Overall, these findings suggest that arctigenin can ameliorate the reduced stemness of hMSCs induced by UVA irradiation. The effects of arctigenin are mediated by PGE2-cAMP signaling-dependent upregulation of HIF-1α. Therefore, arctigenin could be used as an antagonist to attenuate the effects of UVA irradiation.
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Affiliation(s)
- See-Hyoung Park
- Department of Bio and Chemical Engineering, Hongik University, 300-16 Sejong City, Republic of Korea
| | - Jae Youl Cho
- Department of Genetic Engineering, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon City, 164-19 Gyunggi Do, Republic of Korea
| | - Sae Woong Oh
- Department of Genetic Engineering, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon City, 164-19 Gyunggi Do, Republic of Korea
| | - Mingyeong Kang
- Department of Genetic Engineering, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon City, 164-19 Gyunggi Do, Republic of Korea
| | - Seung Eun Lee
- Department of Genetic Engineering, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon City, 164-19 Gyunggi Do, Republic of Korea
| | - Ju Ah Yoo
- Department of Genetic Engineering, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon City, 164-19 Gyunggi Do, Republic of Korea
| | - Kwangseon Jung
- Skincure Life Science Institute, Seongnam City, 132-16 Gyunggi Do, Republic of Korea
| | - Jienny Lee
- Viral Disease Research Division, Animal and Plant Quarantine Agency, 177 Hyeoksin 8-ro, Gimcheon-si, 39660 Gyeongsangbuk-do, Republic of Korea
| | - Sang Yeol Lee
- Department of Life Science, Gachon University, San 65, Bokjeong-Dong, Sujeong-Gu, Seongnam-Si, 131-20 Gyunggi Do, Republic of Korea.
| | - Jongsung Lee
- Department of Genetic Engineering, College of Biotechnology and Bioengineering, Sungkyunkwan University, Suwon City, 164-19 Gyunggi Do, Republic of Korea.
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Kee JY, Hong SH. Inhibition of Mast Cell-Mediated Allergic Responses by Arctii Fructus Extracts and Its Main Compound Arctigenin. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:9443-9452. [PMID: 28976750 DOI: 10.1021/acs.jafc.7b02965] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The Arctium lappa seeds (Arctii Fructus) and its major active compound, arctigenin (ARC), are known to have anticancer, antiobesity, antiosteoporosis, and anti-inflammatory activities. However, the effect of Arctii Fructus and ARC on mast cell-mediated allergic inflammation and its associated mechanism have not been elucidated. Therefore, we attempted to investigate the antiallergic activity of Arctii Fructus and ARC on mast cells and experimental mouse models. Arctii Fructus water extract (AFW) or ethanol extract (AFE) and ARC reduced the production of histamine and pro-inflammatory cytokines such as interleukin (IL)-1β, IL-6, IL-8, and TNF-α in mast cells. AFW, AFE, and ARC inhibited phosphorylation of MAPKs and NF-κB in activated mast cells. Moreover, IgE-mediated passive cutaneous anaphylaxis and compound 48/80-induced anaphylactic shock were suppressed by AFW, AFE, and ARC administration. These results suggest that Arctii Fructus and ARC are potential therapeutic agents against allergic inflammatory diseases.
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Affiliation(s)
- Ji-Ye Kee
- Department of Oriental Pharmacy, College of Pharmacy, Wonkwang-Oriental Medicines Research Institute, Wonkwang University , 460 Iksandae-ro, Iksan, Jeonbuk 54538, Republic of Korea
| | - Seung-Heon Hong
- Department of Oriental Pharmacy, College of Pharmacy, Wonkwang-Oriental Medicines Research Institute, Wonkwang University , 460 Iksandae-ro, Iksan, Jeonbuk 54538, Republic of Korea
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Lee J, Imm JY, Lee SH. β-Catenin Mediates Anti-adipogenic and Anticancer Effects of Arctigenin in Preadipocytes and Breast Cancer Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:2513-2520. [PMID: 28279068 DOI: 10.1021/acs.jafc.7b00112] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Arctigenin is a lignan abundant in Asteraceae plants and has anti-inflammatory, antiobesity, and anticancer activities. Obesity is one of the leading causes of several types of cancers including breast cancer. The current study was performed to investigate if arctigenin suppresses differentiation of preadipocytes and proliferation of breast cancer cells and to explore potential molecular mechanisms. Treatment of arctigenin reduced lipid accumulation in differentiated 3T3-L1 adipocytes in a dose- and time-dependent manner without toxicity. Arctigenin suppressed the expression of peroxisome proliferator-activated receptor-gamma (PPARγ), CCAAT/enhancer-binding protein-alpha (C/EBPα), perilipin, and fatty acid binding protein 4 (FABP4) in a dose-dependent manner in differentiated 3T3-L1 cells. Both total and unphosphorylated (active) β-catenin were increased in whole cell lysates and the nuclear fraction of differentiated 3T3-L1 cells treated with 25 μM arctigenin. On the other hand, arctigenin decreased proliferation of two human breast cancer cells (MCF-7 and MDA-MB-231). Arctigenin induced apoptosis and decreased expression of total and unphosphorylated (active) β-catenin and cyclin D1 in MCF-7, but not in MDA-MB-231. These data indicate that arctigenin suppressed adipogenesis in preadipocytes and activated apoptosis in estrogen receptor (ER) positive breast cancer cells through modulating expression of β-catenin.
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Affiliation(s)
- Jihye Lee
- Department of Nutrition and Food Science, University of Maryland , College Park, Maryland 20742, United States
| | - Jee-Young Imm
- Department of Foods and Nutrition, Kookmin University , Seoul 136-702, Korea
| | - Seong-Ho Lee
- Department of Nutrition and Food Science, University of Maryland , College Park, Maryland 20742, United States
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Huang J, Xiao L, Wei JX, Shu YH, Fang SQ, Wang YT, Lu XM. Protective effect of arctigenin on ethanol-induced neurotoxicity in PC12 cells. Mol Med Rep 2017; 15:2235-2240. [PMID: 28260103 DOI: 10.3892/mmr.2017.6222] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2015] [Accepted: 11/30/2016] [Indexed: 11/06/2022] Open
Abstract
As a neurotropic substance, ethanol can damage nerve cells through an increase in the production of free radicals, interference of neurotrophic factor signaling pathways, activation of endogenous apoptotic signals and other molecular mechanisms. Previous studies have revealed that a number of natural drugs extracted from plants offer protection of nerve cells from damage. Among these, arctigenin (ATG) is a lignine extracted from Arctium lappa (L.), which has been found to exert a neuroprotective effect on scopolamine‑induced memory deficits in mice with Alzheimer's disease and glutamate-induced neurotoxicity in primary neurons. As a result, it may offer beneficial effects on ethanol-induced neurotoxicity. However, the effects of ATG on ethanol‑induced nerve damage remain to be elucidated. To address this issue, the present study used rat pheochromocytoma PC12 cells to investigate the neuroprotective effects of ATG on ethanol-induced cell damage by performing an MTT reduction assay, cell cycle analysis, Hoechst33342/propidium iodide fluorescence staining and flow cytometry to examine apoptosis. The results showed that 10 µM ATG effectively promoted the proliferation of damaged cells, and increased the distribution ratio of the cells at the G2/M and S phases (P<0.05). In addition, the apoptosis and necrosis of the PC12 cells were significantly decreased following treatment with ATG. Therefore, it was concluded that 10 µM ATG had a protective effect on ethanol‑induced injury in PC12 cells.
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Affiliation(s)
- Jia Huang
- College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, P.R. China
| | - Lan Xiao
- College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, P.R. China
| | - Jing-Xiang Wei
- College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, P.R. China
| | - Ya-Hai Shu
- College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, P.R. China
| | - Shi-Qi Fang
- College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, P.R. China
| | - Yong-Tang Wang
- State Key Laboratory of Trauma, Burns and Combined Injury, Institute of Surgical Research, Daping Hospital, Third Military Medical University, Chongqing 400042, P.R. China
| | - Xiu-Min Lu
- College of Pharmacy and Bioengineering, Chongqing University of Technology, Chongqing 400054, P.R. China
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Huang X, Chen M, Ding Y, Wang Q. Arctigenin protects against neuronal hearing loss by promoting neural stem cell survival and differentiation. Genesis 2016; 55. [PMID: 28026149 DOI: 10.1002/dvg.23016] [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: 11/22/2016] [Revised: 12/13/2016] [Accepted: 12/16/2016] [Indexed: 11/10/2022]
Abstract
Neuronal hearing loss has become a prevalent health problem. This study focused on the function of arctigenin (ARC) in promoting survival and neuronal differentiation of mouse cochlear neural stem cells (NSCs), and its protection against gentamicin (GMC) induced neuronal hearing loss. Mouse cochlea was used to isolate NSCs, which were subsequently cultured in vitro. The effects of ARC on NSC survival, neurosphere formation, differentiation of NSCs, neurite outgrowth, and neural excitability in neuronal network in vitro were examined. Mechanotransduction ability demonstrated by intact cochlea, auditory brainstem response (ABR), and distortion product optoacoustic emissions (DPOAE) amplitude in mice were measured to evaluate effects of ARC on GMC-induced neuronal hearing loss. ARC increased survival, neurosphere formation, neuron differentiation of NSCs in mouse cochlear in vitro. ARC also promoted the outgrowth of neurites, as well as neural excitability of the NSC-differentiated neuron culture. Additionally, ARC rescued mechanotransduction capacity, restored the threshold shifts of ABR and DPOAE in our GMC ototoxicity murine model. This study supports the potential therapeutic role of ARC in promoting both NSCs proliferation and differentiation in vitro to functional neurons, thus supporting its protective function in the therapeutic treatment of neuropathic hearing loss in vivo.
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Affiliation(s)
- Xinghua Huang
- Department of Ultrasound Diagnosis, the Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, Hunan, 410011, China
| | - Mo Chen
- Department of Otolaryngology-Head and Neck Surgery, the Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, Hunan, 410011, China
| | - Yan Ding
- Department of Otolaryngology-Head and Neck Surgery, the Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, Hunan, 410011, China
| | - Qin Wang
- Department of Otolaryngology-Head and Neck Surgery, the Second Xiangya Hospital, Central South University, 139 Renmin Road, Changsha, Hunan, 410011, China
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Li H, Song J, Zhang J, Wang T, Yan Y, Tao Z, Li S, Zhang H, Kang T, Yang J. Ginseng Protein Reverses Amyloid Beta Peptide and H2O2Cytotoxicity in Neurons, and Ameliorates Cognitive Impairment in AD Rats Induced by a Combination of D-Galactose and AlCl3. Phytother Res 2016; 31:284-295. [DOI: 10.1002/ptr.5747] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 09/26/2016] [Accepted: 10/30/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Hongyan Li
- Pharmaceutical College; Liaoning University of Traditional Chinese Medicine; Dalian 116600 China
| | - Jie Song
- Pharmaceutical College; Liaoning University of Traditional Chinese Medicine; Dalian 116600 China
| | - Jianghua Zhang
- Faculty of Light Industry and Chemical Engineering; Dalian Polytechnic University; Dalian 116034 China
- State Key Laboratory of Fine Chemicals; Dalian University of Technology; Dalian 116024 China
| | - Tianmin Wang
- Pharmaceutical College; Liaoning University of Traditional Chinese Medicine; Dalian 116600 China
| | - Yuhui Yan
- Pharmaceutical College; Liaoning University of Traditional Chinese Medicine; Dalian 116600 China
| | - Zhenyu Tao
- Pharmaceutical College; Liaoning University of Traditional Chinese Medicine; Dalian 116600 China
| | - Shaoheng Li
- Pharmaceutical College; Liaoning University of Traditional Chinese Medicine; Dalian 116600 China
| | - Hui Zhang
- Pharmaceutical College; Changchun University of Traditional Chinese Medicine; Changchun 130117 China
| | - Tingguo Kang
- Pharmaceutical College; Liaoning University of Traditional Chinese Medicine; Dalian 116600 China
| | - Jingxian Yang
- Pharmaceutical College; Liaoning University of Traditional Chinese Medicine; Dalian 116600 China
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Li N, Song J, Kong L, Li SH, Jiao YN, Yan YH, Yao YJ, Meng YK, Li XF, Tong MM, Zhang N, Kang K, Kang TG, Yang JX. Neuroprotection of TSG Against Mechanical Trauma Injury Through an Anti-inflammatory Mechanism in Human Neuroblastoma SH-SY5Y Cells. INT J PHARMACOL 2016. [DOI: 10.3923/ijp.2016.789.800] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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17
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Zhang S, Li J, Song S, Li J, Tong R, Zang Z, Jiang Q, Cai L. Integrated in silico and experimental methods revealed that Arctigenin inhibited angiogenesis and HCT116 cell migration and invasion through regulating the H1F4A and Wnt/β-catenin pathway. MOLECULAR BIOSYSTEMS 2016; 11:2878-84. [PMID: 26267229 DOI: 10.1039/c5mb00439j] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Arctigenin (ARG) has been previously reported to exert diverse biological activities including anti-proliferation, anti-inflammatory, and antiviral, etc. In the current study, the anti-metastasis and anti-angiogenesis activities of ARG were investigated. To further understand how ARG played these bioactivities, proteomic approaches were used to profile the proteome changes in response to ARG treatment using 2DE-MS/MS. Using these approaches, a total of 50 differentially expressed proteins were identified and clustered. Bioinformatics analysis suggested that multiple signalling pathways were involved. Moreover, ARG induced anti-metastatic and anti-angiogenesis activities were mainly accompanied by a deactivation of the Wnt/β-catenin pathway in HCT116 cells.
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Affiliation(s)
- Shouyue Zhang
- Department of Pharmacy, Hospital of the University of Electronic Science and Technology of China and Sichuan Provincial People's Hospital, Chengdu, 610072, P. R. China.
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Li S, Yan Y, Jiao Y, Gao Z, Xia Y, Kong L, Yao Y, Tao Z, Song J, Yan Y, Zhang G, Yang J. Neuroprotective Effect of Osthole on Neuron Synapses in an Alzheimer's Disease Cell Model via Upregulation of MicroRNA-9. J Mol Neurosci 2016; 60:71-81. [PMID: 27394443 DOI: 10.1007/s12031-016-0793-9] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Accepted: 06/30/2016] [Indexed: 01/26/2023]
Abstract
Accumulation of β-amyloid peptide (Aβ) in the brain plays an important role in the pathogenesis of Alzheimer's disease (AD). It has been reported that osthole exerts its neuroprotective effect on neuronal synapses, but its exact mechanism is obscure. Recently, microRNAs have been demonstrated to play a crucial role in inducing synaptotoxicity by Aβ, implying that targeting microRNAs could be a therapeutic approach of AD. In the present study, we investigated the neuroprotective effects of osthole on a cell model of AD by transducing APP695 Swedish mutant (APP695swe, APP) into mouse cortical neurons and human SH-SY5Y cells. In this study, the cell counting kit CCK-8, apoptosis assay, immunofluorescence analysis, enzyme-linked immunosorbent assay (ELISA), quantitative real-time polymerase chain reaction, and Western blot assay were used. We found that osthole could enhance cell viability, prevent cell death, and reverse the reduction of synaptic proteins (synapsin-1, synaptophysin, and postsynaptic density-95) in APP-overexpressed cells, which was attributed to increases in microRNA-9 (miR-9) expression and subsequent decreases in CAMKK2 and p-AMPKα expressions. These results demonstrated that osthole plays a neuroprotective activity role in part through upregulating miR-9 in AD.
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Affiliation(s)
- Shaoheng Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, Liaoning, 116600, China
| | - Yuhui Yan
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, Liaoning, 116600, China
| | - Yanan Jiao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, Liaoning, 116600, China
| | - Zhong Gao
- Department of Interventional Therapy, Dalian Municipal Central Hospital, Dalian, Liaoning, 116033, China
| | - Yang Xia
- Department of Engineering, University of Oxford, Oxford, OX1 3LZ, UK
| | - Liang Kong
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, Liaoning, 116600, China
| | - Yingjia Yao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, Liaoning, 116600, China
| | - Zhenyu Tao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, Liaoning, 116600, China
| | - Jie Song
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, Liaoning, 116600, China
| | - Yaping Yan
- Department of Neurology, Thomas Jefferson University, Philadelphia, PA, 19107, USA
| | - Guangxian Zhang
- Department of Neurology, Thomas Jefferson University, Philadelphia, PA, 19107, USA
| | - Jingxian Yang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, Liaoning, 116600, China.
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19
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Xu X, Li C, Lei M, Zhu Z, Yan J, Shen X, Hu L. Synthesis and decreasing A β content evaluation of arctigenin-4-yl carbamate derivatives. Bioorg Med Chem Lett 2016; 26:2988-2991. [DOI: 10.1016/j.bmcl.2016.05.028] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Revised: 05/04/2016] [Accepted: 05/10/2016] [Indexed: 10/21/2022]
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Song J, Li N, Xia Y, Gao Z, Zou SF, Kong L, Yao YJ, Jiao YN, Yan YH, Li SH, Tao ZY, Lian G, Yang JX, Kang TG. Arctigenin Treatment Protects against Brain Damage through an Anti-Inflammatory and Anti-Apoptotic Mechanism after Needle Insertion. Front Pharmacol 2016; 7:182. [PMID: 27445818 PMCID: PMC4916177 DOI: 10.3389/fphar.2016.00182] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 06/10/2016] [Indexed: 12/31/2022] Open
Abstract
Convection enhanced delivery (CED) infuses drugs directly into brain tissue. Needle insertion is required and results in a stab wound injury (SWI). Subsequent secondary injury involves the release of inflammatory and apoptotic cytokines, which have dramatic consequences on the integrity of damaged tissue, leading to the evolution of a pericontusional-damaged area minutes to days after in the initial injury. The present study investigated the capacity for arctigenin (ARC) to prevent secondary brain injury and the determination of the underlying mechanism of action in a mouse model of SWI that mimics the process of CED. After CED, mice received a gavage of ARC from 30 min to 14 days. Neurological severity scores (NSS) and wound closure degree were assessed after the injury. Histological analysis and immunocytochemistry were used to evaluated the extent of brain damage and neuroinflammation. Terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) was used to detect universal apoptosis. Enzyme-linked immunosorbent assays (ELISA) was used to test the inflammatory cytokines (tumor necrosis factor (TNF)-α, interleukin (IL)-6 and IL-10) and lactate dehydrogenase (LDH) content. Gene levels of inflammation (TNF-α, IL-6, and IL-10) and apoptosis (Caspase-3, Bax and Bcl-2) were detected by reverse transcription-polymerase chain reaction (RT-PCR). Using these, we analyzed ARC’s efficacy and mechanism of action. Results: ARC treatment improved neurological function by reducing brain water content and hematoma and accelerating wound closure relative to untreated mice. ARC treatment reduced the levels of TNF-α and IL-6 and the number of allograft inflammatory factor (IBA)- and myeloperoxidase (MPO)-positive cells and increased the levels of IL-10. ARC-treated mice had fewer TUNEL+ apoptotic neurons and activated caspase-3-positive neurons surrounding the lesion than controls, indicating increased neuronal survival. Conclusions: ARC treatment confers neuroprotection of brain tissue through anti-inflammatory and anti-apoptotic effects in a mouse model of SWI. These results suggest a new strategy for promoting neuronal survival and function after CED to improve long-term patient outcome.
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Affiliation(s)
- Jie Song
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Na Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Yang Xia
- Department of Engineering, St. Cross College, University of Oxford Oxford, UK
| | - Zhong Gao
- Department of Interventional Therapy, Department of Rehabilitation, Dalian Municipal Central Hospital Dalian, China
| | - Sa-Feng Zou
- Department of Interventional Therapy, Department of Rehabilitation, Dalian Municipal Central Hospital Dalian, China
| | - Liang Kong
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Ying-Jia Yao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Ya-Nan Jiao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Yu-Hui Yan
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Shao-Heng Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Zhen-Yu Tao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Guan Lian
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Jing-Xian Yang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
| | - Ting-Guo Kang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine Dalian, China
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Fang R, Cui Q, Sun J, Duan X, Ma X, Wang W, Cheng B, Liu Y, Hou Y, Bai G. PDK1/Akt/PDE4D axis identified as a target for asthma remedy synergistic with β2 AR agonists by a natural agent arctigenin. Allergy 2015; 70:1622-32. [PMID: 26335809 DOI: 10.1111/all.12763] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/31/2015] [Indexed: 12/13/2022]
Abstract
BACKGROUND Asthma is a heterogenetic disorder characterized by chronic inflammation with variable airflow obstruction and airway hyper-responsiveness. As the most potent and popular bronchodilators, β2 adrenergic receptor (β2 AR) agonists bind to the β2 ARs that are coupled via a stimulatory G protein to adenylyl cyclase, thereby improving cAMP accumulation and resulting in airway smooth muscle relaxation. We previously demonstrated arctigenin had a synergistic function with the β2 AR agonist, but the target for this remained elusive. METHOD Chemical proteomics capturing was used to enrich and uncover the target of arctigenin in human bronchial smooth muscle cells, and reverse docking and molecular dynamic stimulation were performed to evaluate the binding of arctigenin and its target. In vitro enzyme activities and protein levels were demonstrated with special kits and Western blotting. Finally, guinea pig tracheal muscle segregation and ex vivo function were analysed. RESULTS Arctigenin bound to PDK1 with an ideal binding free energy -25.45 kcal/mol and inhibited PDK1 kinase activity without changing its protein level. Additionally, arctigenin reduced PKB/Akt-induced phosphorylation of PDE4D, which was first identified in this study. Attenuation of PDE4D resulted in cAMP accumulation in human bronchial smooth muscle. The inhibition of PDK1 showed a synergistic function with β2 AR agonists and relaxed the constriction of segregated guinea pig tracheal muscle. CONCLUSIONS The PDK1/Akt/PDE4D axis serves as a novel asthma target, which may benefit airflow obstruction.
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Affiliation(s)
- R. Fang
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy; Tianjin Key Laboratory of Molecular Drug Research; Nankai University; Tianjin China
- State Key Laboratory of Natural and Biomimetic Drugs; Peking University; Beijing China
- State Key Laboratory of Medicinal Chemical Biology; Department of Biochemistry; College of Life Sciences; Nankai University; Tianjin China
| | - Q. Cui
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy; Tianjin Key Laboratory of Molecular Drug Research; Nankai University; Tianjin China
| | - J. Sun
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy; Tianjin Key Laboratory of Molecular Drug Research; Nankai University; Tianjin China
| | - X. Duan
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy; Tianjin Key Laboratory of Molecular Drug Research; Nankai University; Tianjin China
| | - X. Ma
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy; Tianjin Key Laboratory of Molecular Drug Research; Nankai University; Tianjin China
| | - W. Wang
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy; Tianjin Key Laboratory of Molecular Drug Research; Nankai University; Tianjin China
| | - B. Cheng
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy; Tianjin Key Laboratory of Molecular Drug Research; Nankai University; Tianjin China
| | - Y. Liu
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy; Tianjin Key Laboratory of Molecular Drug Research; Nankai University; Tianjin China
| | - Y. Hou
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy; Tianjin Key Laboratory of Molecular Drug Research; Nankai University; Tianjin China
- State Key Laboratory of Natural and Biomimetic Drugs; Peking University; Beijing China
| | - G. Bai
- State Key Laboratory of Medicinal Chemical Biology and College of Pharmacy; Tianjin Key Laboratory of Molecular Drug Research; Nankai University; Tianjin China
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Yao Y, Gao Z, Liang W, Kong L, Jiao Y, Li S, Tao Z, Yan Y, Yang J. Osthole promotes neuronal differentiation and inhibits apoptosis via Wnt/β-catenin signaling in an Alzheimer's disease model. Toxicol Appl Pharmacol 2015; 289:474-81. [PMID: 26525509 DOI: 10.1016/j.taap.2015.10.013] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2015] [Revised: 10/05/2015] [Accepted: 10/21/2015] [Indexed: 01/01/2023]
Abstract
Neurogenesis is the process by which neural stem cells (NSCs) proliferate and differentiate into neurons. This is diminished in several neurodegenerative disorders such as Alzheimer's disease (AD), which is characterized by the deposition of amyloid (A)β peptides and neuronal loss. Stimulating NSCs to replace lost neurons is therefore a promising approach for AD treatment. Our previous study demonstrated that osthole modulates NSC proliferation and differentiation, and may reduce Aβ protein expression in nerve cells. Here we investigated the mechanism underlying the effects of osthole on NSCs. We found that osthole enhances NSC proliferation and neuronal differentiation while suppressing apoptosis, effects that were exerted via activation of Wnt/β-catenin signaling. These results provide evidence that osthole can potentially be used as a therapeutic agent in the treatment of AD and other neurodegenerative disorders.
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Affiliation(s)
- Yingjia Yao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine; Dalian 116600, China
| | - Zhong Gao
- Department of Interventional Therapy, Dalian Municipal Central Hospital, Dalian 116033, China
| | - Wenbo Liang
- Medical College of Dalian University, Dalian 116600, Liaoning, China
| | - Liang Kong
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine; Dalian 116600, China
| | - Yanan Jiao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine; Dalian 116600, China
| | - Shaoheng Li
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine; Dalian 116600, China
| | - Zhenyu Tao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine; Dalian 116600, China
| | - Yuhui Yan
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine; Dalian 116600, China
| | - Jingxian Yang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine; Dalian 116600, China.
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23
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Xia Y, Kong L, Yao Y, Jiao Y, Song J, Tao Z, You Z, Yang J. Osthole confers neuroprotection against cortical stab wound injury and attenuates secondary brain injury. J Neuroinflammation 2015; 12:155. [PMID: 26337552 PMCID: PMC4559066 DOI: 10.1186/s12974-015-0373-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Accepted: 08/16/2015] [Indexed: 12/31/2022] Open
Abstract
Background Neuroendoscopy is an innovative technique for neurosurgery that can nonetheless result in traumatic brain injury. The accompanying neuroinflammation may lead to secondary tissue damage, which is the major cause of delayed neuronal death after surgery. The present study investigated the capacity of osthole to prevent secondary brain injury and the underlying mechanism of action in a mouse model of stab wound injury. Methods A mouse model of cortical stab wound injury was established by inserting a needle into the cerebral cortex for 20 min to mimic neuroendoscopy. Mice received an intraperitoneal injection of osthole 30 min after surgery and continued for 14 days. Neurological severity was evaluated 12 h and up to 21 days after the trauma. Brains were collected 3–21 days post-injury for histological analysis, immunocytochemistry, quantitative real-time PCR, and terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL) and enzyme-linked immunosorbent assays. Results Neurological function improved in mice treated with osthole and was accompanied by reduced brain water content and accelerated wound closure relative to untreated mice. Osthole treatment reduced the number of macrophages/microglia and peripheral infiltrating of neutrophils and lowered the level of the proinflammatory cytokines interleukin-6 and tumor necrosis factor α in the lesioned cortex. Osthole-treated mice had fewer TUNEL+ apoptotic neurons surrounding the lesion than controls, indicating increased neuronal survival. Conclusions Osthole reduced secondary brain damage by suppressing inflammation and apoptosis in a mouse model of stab wound injury. These results suggest a new strategy for promoting neuronal survival and function after neurosurgery to improve long-term patient outcome.
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Affiliation(s)
- Yang Xia
- Department of Engineering, University of Oxford, Oxford, OX1 3LZ, UK.
| | - Liang Kong
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, 116600, China.
| | - Yingjia Yao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, 116600, China.
| | - Yanan Jiao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, 116600, China.
| | - Jie Song
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, 116600, China.
| | - Zhenyu Tao
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, 116600, China.
| | - Zhong You
- Department of Engineering, University of Oxford, Oxford, OX1 3LZ, UK.
| | - Jingxian Yang
- School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian, 116600, China.
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Electroacupuncture alleviates retrieval of pain memory and its effect on phosphorylation of cAMP response element-binding protein in anterior cingulate cortex in rats. Behav Brain Funct 2015; 11:9. [PMID: 25886521 PMCID: PMC4364627 DOI: 10.1186/s12993-015-0055-y] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Accepted: 02/16/2015] [Indexed: 12/11/2022] Open
Abstract
Background Recent evidence suggests that persistent pain and recurrent pain are due to the pain memory which is related to the phosphorylation of cAMP response element-binding protein (p-CREB) in anterior cingulate cortex (ACC). Eletroacupuncture (EA), as a complementary Chinese medical procedure, has a significant impact on the treatment of pain and is now considered as a mind-body therapy. Methods The rat model of pain memory was induced by two injections of carrageenan into the paws, which was administered separately by a 14-day interval, and treated with EA therapy. The paw withdrawal thresholds (PWTs) of animals were measured and p-CREB expressions in ACC were detected by using immunofluorescence (IF) and electrophoretic mobility shift assay (EMSA). Statistical comparisons among different groups were made by one-way, repeated-measures analysis of variance (ANOVA). Results The second injection of carrageenan caused the decrease of PWTs in the non-injected hind paw. EA stimulation applied prior to the second injection, increased the values of PWTs. In ACC, the numbers of p-CREB positive cells were significantly increased in pain memory model rats, which were significantly reduced by EA. EMSA results showed EA also down-regulated the combining capacity of p-CREB with its DNA. Furthermore, the co-expression of p-CREB with GFAP, OX-42, or NeuN in ACC was strengthened in the pain memory model rats. EA inhibited the co-expression of p-CREB with GFAP or OX-42, but not NeuN in ACC. Conclusions The present results suggest the retrieval of pain memory could be alleviated by the pre-treatment of EA, which is at least partially attributed to the down-regulated expression and combining capacity of p-CREB and the decreased expression of p-CREB in astrocytes and microglia cells.
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Liu H, Xue X, Shi H, Qi L, Gong D. Osthole Upregulates BDNF to Enhance Adult Hippocampal Neurogenesis in APP/PS1 Transgenic Mice. Biol Pharm Bull 2015; 38:1439-49. [DOI: 10.1248/bpb.b15-00013] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Hong Liu
- Department of Neurology, Liaocheng Hospital
| | | | - Huijian Shi
- Department of Anesthesiology, Affilliated Hospital of TaiShan Medical College
| | - Lifeng Qi
- Department of Neurology, Liaocheng Hospital
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Kwon KJ, Lee EJ, Kim MK, Kim SY, Kim JN, Kim JO, Kim HJ, Kim HY, Han JS, Shin CY, Han SH. Diabetes augments cognitive dysfunction in chronic cerebral hypoperfusion by increasing neuronal cell death: implication of cilostazol for diabetes mellitus-induced dementia. Neurobiol Dis 2014; 73:12-23. [PMID: 25281785 DOI: 10.1016/j.nbd.2014.08.034] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Revised: 08/20/2014] [Accepted: 08/22/2014] [Indexed: 02/06/2023] Open
Abstract
Many patients with diabetes are at increased risk of cognitive dysfunction and dementia. Diabetes mellitus is a vascular risk factor that may increase the risk of dementia through its associations with vascular dementia. We tested whether cognitive impairment could be exacerbated in combined injury using a rat model of chronic cerebral hypoperfusion with diabetes. We also determined whether a potent inhibitor of type III phosphodiesterase could prevent the cognitive decline caused by this combined injury. We used Otsuka Long-Evans Tokushima Fatty (OLETF) rats as a model of type II diabetes (T2DM) and Long-Evans Tokushima Otsuka (LETO) rats as a control. Chronic cerebral hypoperfusion was modeled by permanent bilateral common carotid artery occlusion (BCCAO). At 24weeks, the non-diabetic and T2DM rats were randomly assigned into groups for the following experiments: analysis I (1) sham non-diabetic rats (n=8); (2) hypoperfused non-diabetic rats (n=9); (3) sham T2DM rats (n=8); (4) hypoperfused T2DM rats (n=9); analysis II- (1) sham T2DM rats without treatment (n=8); (2) cilostazol-treated T2DM rats (n=8); (3) hypoperfused T2DM rats (n=9); and (4) hypoperfused T2DM rats and cilostazol treatment (n=9). The rats were orally administered cilostazol (50mg/kg) or vehicle once a day for 2weeks after 24weeks. Rats performed Morris water maze tasks, and neuronal cell death and neuroinflammation were investigated via Western blots and histological investigation. Spatial memory impairment was exacerbated synergistically in the hypoperfused T2DM group compared with the hypoperfused non-diabetic group and sham T2DBM group (P<0.05). Compared with the control group, neuronal cell death was increased in the hippocampus of the hypoperfused T2DM group. Cilostazol, a PDE-3 inhibitor, improved the memory impairments through inhibition of neuronal cell death, activation of CREB phosphorylation and BDNF expression in the hypoperfused T2DM group. Our experimental results support the hypothesis that there are deleterious interactions between chronic cerebral hypoperfusion and T2DM. That is, metabolic diseases such as diabetes may exacerbate cognitive impairment in a rat model of vascular dementia. We also suggest that surprisingly, the phosphodiesterase III inhibitor, cilostazol may be useful for the treatment of cognitive impairment in diabetes mellitus-induced dementia. In conclusion, diabetes can aggravate cognitive dysfunction in vascular dementia, and PDE-3 inhibitors, such as cilostazol, may form the basis of a novel therapeutic strategy for diabetes-associated cognitive impairment or vascular dementia.
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Affiliation(s)
- Kyoung Ja Kwon
- Department of Neuroscience, Center for Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, Republic of Korea
| | - Eun Joo Lee
- Department of Neuroscience, Center for Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, Republic of Korea
| | - Min Kyeong Kim
- Department of Pharmacology, Center for Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, Republic of Korea
| | - Soo Young Kim
- Department of Pharmacology, Center for Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, Republic of Korea
| | - Jung Nam Kim
- Department of Pharmacology, Center for Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, Republic of Korea
| | - Jin Ok Kim
- Department of Neuroscience, Center for Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, Republic of Korea; Department of Neurology, Konkuk University Medical Center, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Hee-Jin Kim
- Department of Neurology, College of Medicine, Hanyang University, 17 Heangdang-dong, Seongdong-gu, Seoul, Republic of Korea
| | - Hahn Young Kim
- Department of Neuroscience, Center for Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, Republic of Korea; Department of Neurology, Konkuk University Medical Center, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 143-701, Republic of Korea
| | - Jung-Soo Han
- Department of Biological Sciences, Center for Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, Republic of Korea
| | - Chan Young Shin
- Department of Pharmacology, Center for Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, Republic of Korea
| | - Seol-Heui Han
- Department of Neuroscience, Center for Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, Republic of Korea; Department of Neurology, Konkuk University Medical Center, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 143-701, Republic of Korea.
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Wu RM, Sun YY, Zhou TT, Zhu ZY, Zhuang JJ, Tang X, Chen J, Hu LH, Shen X. Arctigenin enhances swimming endurance of sedentary rats partially by regulation of antioxidant pathways. Acta Pharmacol Sin 2014; 35:1274-84. [PMID: 25152028 PMCID: PMC4186987 DOI: 10.1038/aps.2014.70] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2014] [Accepted: 06/09/2014] [Indexed: 01/01/2023] Open
Abstract
AIM Arctigenin, a phenylpropanoid dibenzylbutyrolactone lignan found in traditional Chinese herbs, has been determined to exhibit a variety of pharmacological activities, including anti-tumor, anti-inflammation, neuroprotection, and endurance enhancement. In the present study, we investigated the antioxidation and anti-fatigue effects of arctigenin in rats. METHODS Rat L6 skeletal muscle cell line was exposed to H2O2 (700 μmol/L), and ROS level was assayed using DCFH-DA as a probe. Male SD rats were injected with arctigenin (15 mg·kg(-1)·d(-1), ip) for 6 weeks, and then the weight-loaded forced swimming test (WFST) was performed to evaluate their endurance. The levels of antioxidant-related genes in L6 cells and the skeletal muscles of rats were analyzed using real-time RT-PCR and Western blotting. RESULTS Incubation of L6 cells with arctigenin (1, 5, 20 μmol/L) dose-dependently decreased the H2O2-induced ROS production. WFST results demonstrated that chronic administration of arctigenin significantly enhanced the endurance of rats. Furthermore, molecular biology studies on L6 cells and skeletal muscles of the rats showed that arctigenin effectively increased the expression of the antioxidant-related genes, including superoxide dismutase (SOD), glutathione reductase (Gsr), glutathione peroxidase (GPX1), thioredoxin (Txn) and uncoupling protein 2 (UCP2), through regulation of two potential antioxidant pathways: AMPK/PGC-1α/PPARα in mitochondria and AMPK/p53/Nrf2 in the cell nucleus. CONCLUSION Arctigenin efficiently enhances rat swimming endurance by elevation of the antioxidant capacity of the skeletal muscles, which has thereby highlighted the potential of this natural product as an antioxidant in the treatment of fatigue and related diseases.
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Affiliation(s)
- Ruo-ming Wu
- School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Yan-yan Sun
- School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Ting-ting Zhou
- Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Zhi-yuan Zhu
- Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Jing-jing Zhuang
- School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Xuan Tang
- Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Jing Chen
- Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Li-hong Hu
- Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Xu Shen
- School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
- Key Laboratory of Receptor Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
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