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Li S, Xu B, Luo Y, Luo J, Huang S, Guo X. Autophagy and Apoptosis in Rabies Virus Replication. Cells 2024; 13:183. [PMID: 38247875 PMCID: PMC10814280 DOI: 10.3390/cells13020183] [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: 11/14/2023] [Revised: 12/28/2023] [Accepted: 01/16/2024] [Indexed: 01/23/2024] Open
Abstract
Rabies virus (RABV) is a single-stranded negative-sense RNA virus belonging to the Rhabdoviridae family and Lyssavirus genus, which is highly neurotropic and can infect almost all warm-blooded animals, including humans. Autophagy and apoptosis are two evolutionarily conserved and genetically regulated processes that maintain cellular and organismal homeostasis, respectively. Autophagy recycles unnecessary or dysfunctional intracellular organelles and molecules in a cell, whereas apoptosis eliminates damaged or unwanted cells in an organism. Studies have shown that RABV can induce both autophagy and apoptosis in target cells. To advance our understanding of pathogenesis of rabies, this paper reviews the molecular mechanisms of autophagy and apoptosis induced by RABV and the effects of the two cellular events on RABV replication.
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Affiliation(s)
- Saisai Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (S.L.); (Y.L.)
| | - Bowen Xu
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, China;
| | - Yongwen Luo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (S.L.); (Y.L.)
| | - Jun Luo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (S.L.); (Y.L.)
| | - Shile Huang
- Department of Biochemistry and Molecular Biology, Louisiana State University Health Sciences Center, 1501 Kings Highway, Shreveport, LA 71130-3932, USA;
- Department of Hematology and Oncology, Louisiana State University Health Sciences Center, Shreveport, LA 71130-3932, USA
- Feist-Weiller Cancer Center, Louisiana State University Health Sciences Center, 1501 Kings Highway, Shreveport, LA 71130-3932, USA
| | - Xiaofeng Guo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (S.L.); (Y.L.)
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Hu X, Wang M, Cai F, Liu L, Cheng Z, Zhao J, Zhang Q, Long C. A comprehensive review of medicinal Toxicodendron (Anacardiaceae): Botany, traditional uses, phytochemistry and pharmacology. JOURNAL OF ETHNOPHARMACOLOGY 2024; 318:116829. [PMID: 37429501 DOI: 10.1016/j.jep.2023.116829] [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: 02/14/2023] [Revised: 06/03/2023] [Accepted: 06/20/2023] [Indexed: 07/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Comprising of about 30 species, the genus Toxicodendron (Anacardiaceae) are mainly distributed in East Asia and North America. Among them, 13 species have been traditionally used as folk medicines in Asia and other parts of the world to treat blood diseases, abnormal bleeding, skin diseases, gastrointestinal diseases, liver diseases, bone injury, lung diseases, neurological diseases, cardiovascular diseases, tonic, cancer, eye diseases, menstrual irregularities, inflammation, rheumatism, diabetes mellitus, rattlesnake bite, internal parasites, contraceptive, vomiting and diarrhea. AIM OF THE STUDY To date, no comprehensive review on Toxicodendron has been published and the scientific basis of the traditional medicinal benefits of Toxicodendron have been less reported. Therefore, this review aims to provide a reference for further research and development on medicinal purpose of Toxicodendron by summarizing the works (from 1980 to 2023), and focusing on its botany, traditional uses, phytochemistry and pharmacology. MATERIALS AND METHODS The names of the species were from The Plant List Database (http://www.theplantlist.org), World Flora Online (http://www.worldfloraonline.org), Catalogue of Life Database (https://www.catalogueoflife.org/) and Plants for A Future Database (https://pfaf.org/user/Default.aspx). And the search terms "Toxicodendron" and "the names of 31 species and their synonyms" were used to search for information from electronic databases such as Web of Science, Scopus, Google Scholar, Science Direct, PubMed, Baidu Scholar, Springer, and Wiley Online Library. Moreover, PhD and MSc dissertations were also used to support this work. RESULTS These species on Toxicodendron are widely used in folkloric medicine and modern pharmacological activities. So far, approximately 238 compounds, mainly phenolic acids and their derivatives, urushiols, flavonoids and terpenoids, are extracted and isolated from Toxicodendron plants, commonly, T. trichocarpum, T. vernicifluum, T. succedaneum, and T. radicans. Among them, phenolic acids and flavonoids are the main compound classes that show pharmacological activities in Toxicodendron plants both in vitro and in vivo. Furthermore, the extracts and single compounds of these species show a wide range of activities, such as antioxidant, antibacterial, anti-inflammatory, anti-tumor, liver protection, fat reduction, nerve protection, and treatment of blood diseases. CONCLUSIONS Selected species of Toxicodendron have been used as herbal medicines in the Southeast Asian for a long time. Furthermore, some bioactive constituents have been identified from them, so plants in this genus may be potential new drugs. The existing research on Toxicodendron has been reviewed, and the phytochemistry and pharmacology provide theoretical basis for some of the traditional medicinal uses. Therefore, in this review, the traditional medicinal, phytochemical and modern pharmacology of Toxicodendron plants are summarized to help future researchers to find new drug leads or to get a better understanding of structure-activity relationships.
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Affiliation(s)
- Xian Hu
- Key Laboratory of Ecology and Environment in Minority Areas (Minzu University of China), National Ethnic Affairs Commission, Beijing, 100081, China; College of Ethnology and Sociology, Minzu University of China, Beijing, 100081, China; College of Life and Environmental Sciences, Minzu University of China, Beijing, 100081, China; Key Laboratory of Ethnomedicine (Minzu University of China), Ministry of Education, Beijing, 100081, China
| | - Miaomiao Wang
- Key Laboratory of Ecology and Environment in Minority Areas (Minzu University of China), National Ethnic Affairs Commission, Beijing, 100081, China; College of Life and Environmental Sciences, Minzu University of China, Beijing, 100081, China; Key Laboratory of Ethnomedicine (Minzu University of China), Ministry of Education, Beijing, 100081, China
| | - Fei Cai
- Key Laboratory of Ecology and Environment in Minority Areas (Minzu University of China), National Ethnic Affairs Commission, Beijing, 100081, China; College of Life and Environmental Sciences, Minzu University of China, Beijing, 100081, China
| | - Liya Liu
- Key Laboratory of Ecology and Environment in Minority Areas (Minzu University of China), National Ethnic Affairs Commission, Beijing, 100081, China; College of Life and Environmental Sciences, Minzu University of China, Beijing, 100081, China; Key Laboratory of Ethnomedicine (Minzu University of China), Ministry of Education, Beijing, 100081, China
| | - Zhuo Cheng
- Key Laboratory of Ecology and Environment in Minority Areas (Minzu University of China), National Ethnic Affairs Commission, Beijing, 100081, China; College of Life and Environmental Sciences, Minzu University of China, Beijing, 100081, China; Key Laboratory of Ethnomedicine (Minzu University of China), Ministry of Education, Beijing, 100081, China
| | - Jiaqi Zhao
- Key Laboratory of Ecology and Environment in Minority Areas (Minzu University of China), National Ethnic Affairs Commission, Beijing, 100081, China; College of Ethnology and Sociology, Minzu University of China, Beijing, 100081, China; Key Laboratory of Ethnomedicine (Minzu University of China), Ministry of Education, Beijing, 100081, China
| | - Qing Zhang
- Key Laboratory of Ecology and Environment in Minority Areas (Minzu University of China), National Ethnic Affairs Commission, Beijing, 100081, China; College of Life and Environmental Sciences, Minzu University of China, Beijing, 100081, China; Key Laboratory of Ethnomedicine (Minzu University of China), Ministry of Education, Beijing, 100081, China
| | - Chunlin Long
- Key Laboratory of Ecology and Environment in Minority Areas (Minzu University of China), National Ethnic Affairs Commission, Beijing, 100081, China; College of Life and Environmental Sciences, Minzu University of China, Beijing, 100081, China; Key Laboratory of Ethnomedicine (Minzu University of China), Ministry of Education, Beijing, 100081, China; Mass Spectrometry Imaging and Metabolomics (Minzu University of China), National Ethnic Affairs Commission, Beijing, 100081, China; Institute of National Security Studies, Minzu University of China, Beijing, 100081, China.
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Chi YL, Xie Y, Liu SQ, Zhu WY. Bardoxolone methyl inhibits the infection of rabies virus via Nrf2 pathway activation in vitro. Virol J 2023; 20:258. [PMID: 37950261 PMCID: PMC10638713 DOI: 10.1186/s12985-023-02213-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 10/17/2023] [Indexed: 11/12/2023] Open
Abstract
BACKGROUND Rabies is a widespread, fatal, infectious disease. Several antivirals against rabies virus (RABV) infection have been reported, but no approved, RABV-specific antiviral drugs that inhibit RABV infection in the clinic after symptom onset are available. Therefore, more effective drugs to reduce rabies fatalities are urgently needed. Bardoxolone methyl (CDDO-Me), an FDA-approved compound that has long been known as an antioxidant inflammatory modulator and one of the most potent nuclear factor erythroid-derived 2-like 2 (Nrf2) activators, protects myelin, axons, and CNS neurons by Nrf2 activation. Therefore, we investigated the potency of its anti-RABV activity in vitro. METHODS The mouse neuroblastoma cell line Neuro2a (N2a) and three RABV strains of different virulence were used; the cytotoxicity and anti-RABV activity of CDDO-Me in N2a cells were evaluated by CCK-8 assay and direct fluorescent antibody (DFA) assay. Pathway activation in N2a cells infected with the RABV strains SC16, CVS-11 or CTN upon CDDO-Me treatment was evaluated by western blotting (WB) and DFA assay. RESULTS CDDO-Me significantly inhibited infection of the three RABV strains of differing virulence (SC16, CVS-11 and CTN) in N2a cells. We also examined whether CDDO-Me activates the Nrf2-associated pathway upon infection with RABV strains of differing virulence. Nrf2, phosphorylated sequestosome (SQSTM1), SQSTM1, hemoglobin oxygenase (HO-1) and NAD(P)H dehydrogenase quinone 1 (NQO1) expression in N2a cells increased to varying degrees with CDDO-Me treatment, accompanied by Kelch-like ECH-associated protein 1 (Keap1) dissociation, upon infection with SC16, CVS-11 or CTN. The activation of SQSTM1 phosphorylation was significantly associated with the degradation of Keap-1 in CDDO-Me-treated N2a cells upon RABV infection. Furthermore, N2a cells pretreated with the Nrf2-specific inhibitor ATRA showed a significant decrease in HO-1 and NQO1 expression and a decrease in the anti-RABV efficacy of CDDO-Me. These inhibitory effects were observed upon infection with three RABV strains of differing virulence. CONCLUSION CDDO-Me inhibited RABV infection via Nrf2 activation, promoting a cytoprotective defense response in N2a cells. Our study provides a therapeutic strategy for RABV inhibition and neuroprotection during viral infection.
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Affiliation(s)
- Ying Lin Chi
- Key Laboratory of Medical Virology, Ministry of Health, National Institute for Viral Disease Control and Prevention, NHC Key Laboratory of Biosafety, Chinese Center for Disease Control and Prevention, No.155 Changbai Road, Changping District, Beijing, 102206, People's Republic of China
| | - Yuan Xie
- Key Laboratory of Medical Virology, Ministry of Health, National Institute for Viral Disease Control and Prevention, NHC Key Laboratory of Biosafety, Chinese Center for Disease Control and Prevention, No.155 Changbai Road, Changping District, Beijing, 102206, People's Republic of China
| | - Shu Qing Liu
- Key Laboratory of Medical Virology, Ministry of Health, National Institute for Viral Disease Control and Prevention, NHC Key Laboratory of Biosafety, Chinese Center for Disease Control and Prevention, No.155 Changbai Road, Changping District, Beijing, 102206, People's Republic of China.
| | - Wu Yang Zhu
- Key Laboratory of Medical Virology, Ministry of Health, National Institute for Viral Disease Control and Prevention, NHC Key Laboratory of Biosafety, Chinese Center for Disease Control and Prevention, No.155 Changbai Road, Changping District, Beijing, 102206, People's Republic of China.
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Xie Y, Chi YL, Liu SQ, Zhu WY. BCX4430 inhibits the replication of rabies virus by suppressing mTOR-dependent autophagy invitro. Virology 2023; 585:21-31. [PMID: 37267717 DOI: 10.1016/j.virol.2023.05.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 05/24/2023] [Accepted: 05/25/2023] [Indexed: 06/04/2023]
Abstract
Rabies is a fatal neurological infectious disease caused by rabies virus (RABV). However, no effective anti-RABV drugs for treatment during the symptomatic phase are available. The novel adenosine nucleoside analog galidesivir (BCX4430) has broad-spectrum activity against a wide variety of highly pathogenic RNA viruses. In this study, we observed no apparent cytotoxicity of BCX4430 at the highest concentration of 250 μΜ, and which was displayed stronger antiviral activity against different virulent RABV in N2a or BHK-21 cells until 72 hpi. Meanwhile, BCX4430 showed greater anti-RABV activity than T-705 and anti-RABV activity similar to that of ribavirin in N2a cells. Furthermore, BCX4430 dose- and time-dependently inhibited RABV replication via mTOR-dependent autophagy inhibition in N2a cells with increased phospho-mTOR and phospho-SQSTM1 and decreased LC3-II levels. Taken together, these findings suggest that BCX4430 has potent anti-RABV activity in vitro and might provide a basis for the development of novel drug therapies against RABV.
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Affiliation(s)
- Yuan Xie
- Key Laboratory of Medical Virology, Ministry of Health, National Institute for Viral Disease Control and Prevention, NHC Key Laboratory of Biosafety, Chinese Center for Disease Control and Prevention, Beijing, 102206, PR China
| | - Ying Lin Chi
- Key Laboratory of Medical Virology, Ministry of Health, National Institute for Viral Disease Control and Prevention, NHC Key Laboratory of Biosafety, Chinese Center for Disease Control and Prevention, Beijing, 102206, PR China; School of Public Health, Baotou Medical College, Baotou, 014040, Inner Mongolia, PR China
| | - Shu Qing Liu
- Key Laboratory of Medical Virology, Ministry of Health, National Institute for Viral Disease Control and Prevention, NHC Key Laboratory of Biosafety, Chinese Center for Disease Control and Prevention, Beijing, 102206, PR China.
| | - Wu Yang Zhu
- Key Laboratory of Medical Virology, Ministry of Health, National Institute for Viral Disease Control and Prevention, NHC Key Laboratory of Biosafety, Chinese Center for Disease Control and Prevention, Beijing, 102206, PR China.
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Gao M, Yang N, Lei Y, Zhang W, Liu H, Lin H. Tannic acid antagonizes atrazine exposure-induced autophagy and DNA damage crosstalk in grass carp hepatocytes via NO/iNOS/NF-κB signaling pathway to maintain stable immune function. FISH & SHELLFISH IMMUNOLOGY 2022; 131:1075-1084. [PMID: 36396070 DOI: 10.1016/j.fsi.2022.11.024] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/10/2022] [Accepted: 11/12/2022] [Indexed: 06/16/2023]
Abstract
Atrazine (ATR) is a herbicide widely used in grass crops. The pollution of the soil and water environment is extremely harmful to aquatic animals and their offspring. iNOS/NO upregulation, DNA damage and cellular autophagy affect the immune function of fish liver cells. The effects of ATR at exposure doses on grass carp hepatocytes in terms of autophagy and DNA damage effects in genotoxicity, as well as the antagonistic effects of TAN on the above phenotypes and the internal mechanisms are not known. Therefore, we constructed control (Con group), ATR exposure (ATR group), TAN exposure (TAN group) and mixed group (ATR + TAN group) models on grass carp hepatocytes. Validation was performed by comet assay, MDC staining, qRT-PCR and protein blotting assay as well as iNOS/NO indicator levels and expression of immune factors as these experimental methods. Our data indicate that iNOS/NO assay kit measured that ATR treatment resulted in a significant increase in iNOS/NO activity and levels in grass carp hepatocytes (p < 0.05). We also found that NO/iNOS/NF-κB pathway genes were significantly activated (p < 0.05) at the exposure dose of ATR (3 μg mL-1). In addition, the proportion of cells that died due to DNA damage, autophagy, and immunotoxic effects was significantly increased at the exposure dose of ATR. Comet assay protein blotting detected increased DNA damage in cells at the ATR exposure dose (p < 0.05). MDC staining and qRT-PCR and protein blotting to detect the proportion of autophagic cells and autophagy-related genes also appeared upregulated at the exposed dose of ATR (p < 0.05). In brief, this study showed that ATR exposure caused cellular DNA damage and autophagy via the NO/iNOS/NF-κB axis, which led to immunotoxic effects and eventual death of grass carp hepatocytes. The present study facilitates the demonstration of the molecular mechanism of TAN alleviation of ATR cytotoxicity from the perspective of NO-mediated iNOS/NF-κB axis. It provides insights into the protection of farmed fish from agricultural contaminants and opens up new horizons in the use of natural plant-derived monomers for the clinical treatment of antagonistic triazine pesticide poisoning.
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Affiliation(s)
- Meichen Gao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Naixi Yang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Yutian Lei
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Wenyue Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Huanyi Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China
| | - Hongjin Lin
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China; Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, PR China.
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Zhang Y, Zhang Y, Yi J, Cai S. Phytochemical characteristics and biological activities of Rhus chinensis Mill.: a review. Curr Opin Food Sci 2022. [DOI: 10.1016/j.cofs.2022.100925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Fan CW, Tang J, Jiang JC, Zhou MM, Li MS, Wang HS. Pentagalloylglucose suppresses the growth and migration of human nasopharyngeal cancer cells via the GSK3β/β-catenin pathway in vitro and in vivo. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 102:154192. [PMID: 35636179 DOI: 10.1016/j.phymed.2022.154192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 05/17/2022] [Accepted: 05/20/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Nasopharyngeal carcinoma (NPC) is a type of malignant squamous cell tumour originating from the nasopharynx epithelium. Pentagalloylglucose (PGG) is a natural polyphenolic compound that exerts anticancer effects in many types of tumours. However, the role and underlying mechanism of PGG in NPC cells have not been fully defined. PURPOSE This study aimed to investigate the anticancer activity of PGG as well as the potential mechanism in NPC cells. METHODS The effects of PGG on the proliferation, apoptosis and cell cycle distribution of CNE1 and CNE2 cells were assessed by MTT and flow cytometry assays. Cell migration was evaluated using wound healing and transwell assays. The expression of microtubule-associated protein 1 light chain 3 beta (LC3B) was observed by immunofluorescence staining. Western blotting was used to explore the levels of related proteins and signalling pathway components. Furthermore, the effects of PGG on NPC cell growth were analysed in a xenograft mouse model in vivo using cisplatin as a positive control. RESULTS PGG dose-dependently inhibited the proliferation of CNE1 and CNE2 cells. PGG regulated the cell cycle by altering p53, cyclin D1, CDK2, and cyclin E1 protein levels. PGG induced apoptosis and autophagy in NPC cells and elevated the Bax/Bcl-2 ratio and the protein levels of LC3B. Moreover, PGG decreased NPC cell migration by increasing E-cadherin and decreasing N-cadherin, vimentin and CD44 protein levels. Mechanistically, PGG treatment downregulated p-mTOR and β-catenin expression but upregulated p-p38 MAPK and p-GSK3β expression. In addition, PGG significantly inhibited NPC cell tumour growth and lung metastasis in vivo. CONCLUSION PGG may suppress cell proliferation, induce apoptosis and autophagy, and decrease the metastatic capacity of NPC cells through the p38 MAPK/mTOR and Wnt/β-catenin pathways. The present study provides evidence for PGG as a potential therapy for NPC.
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Affiliation(s)
- Cai-Wen Fan
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, PR China; Research Center for Science, Guilin Medical University, Guilin 541199, China
| | - Juan Tang
- Department of Pathology, the Second Affiliated Hospital of Guilin Medical University, Guilin 541199, China
| | - Jing-Chen Jiang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, PR China
| | - Mei-Mei Zhou
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, PR China
| | - Mei-Shan Li
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, PR China.
| | - Heng-Shan Wang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin 541004, PR China.
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Li M, Wang A, Zhang Y, Han T, Guan L, Fan D, Liu J, Xu Y. A comprehensive review on ethnobotanical, phytochemical and pharmacological aspects of Rhus chinensis Mill. JOURNAL OF ETHNOPHARMACOLOGY 2022; 293:115288. [PMID: 35430289 DOI: 10.1016/j.jep.2022.115288] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 03/27/2022] [Accepted: 04/08/2022] [Indexed: 06/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Rhus chinensis Mill., firstly recorded as herbal medicine in Shan Hai Jing, have been used for thousands of years to treat various diseases. AIM OF THIS REVIEW This review targets on the ethnomedicinal applications of R. chinensis and to gather the phytochemical, pharmacological and toxicological data which support the therapeutic potential of R. chinensis in treatment on different diseases, with emphasis on the naturally occurring compounds and detailed pharmacological developments. MATERIALS AND METHODS The information of R. chinensis was collected based on a variety of popular databases such as Scifinder, PubMed, Web of Science, ScienceDirect, Springer, Wiley, ACS, CNKI, Baidu Scholar, Google Scholar and other published materials (books and Ph.D. and M. Sc. Dissertations). The keywords "Rhus chinensis", "Rhus amela", "Rhus javanica", "Rhus osbeckii", "Rhus semialata", and "Schinus indicus" were applied to search the literature related in this review. RESULTS 152 natural compounds of R. chinensis belong to different classes are presented in this review, including flavonoids, lignans, coumarins, simple phenolics, urushiols, tannins, triterpenoids, steroids and other types of constituents. Among them, flavonoids, lignans, and triterpenoids are most frequently reported components. The pharmacological effects of R. chinensis were numerous and complicated, including anti-viral, anti-bacterial, anti-diarrheal, hepatoprotective, anti-proliferation, enzyme-inhibiting, anti-oxidants and so on. CONCLUSION In order to discover more compounds with novel structures to both enrich chemical context of genus Rhus and expand the variety of constituents, the phytochemical research is urgent and indispensable. Anti-diarrhea, the most widely application of R. chinensis traditionally, is insufficient in underlying mechanism exploration. And for other activities, in-depth studies on the mechanism of pharmacological effects in vivo and in vitro are both needed. Meanwhile, pharmacokinetics, toxicology, quality control and preclinical and clinical data are urgent to assess the rationale and safety of the medicinal and food application of R. chinensis.
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Affiliation(s)
- Meichen Li
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China; School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang, 110016, China.
| | - Andong Wang
- School of Pharmacy, Nantong University, Nantong, Jiangsu, 226001, PR China.
| | - Yunqiang Zhang
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China; School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang, 110016, China.
| | - Tingting Han
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China; School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang, 110016, China.
| | - Lu Guan
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China; School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang, 110016, China.
| | - Dongxue Fan
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China; School of Traditional Chinese Medicine, Shenyang Pharmaceutical University, Shenyang, 110016, China.
| | - Jianyu Liu
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China; School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang, 110016, PR China.
| | - Yongnan Xu
- Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang, 110016, China; School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang, 110016, PR China.
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Jiang H, Kan X, Ding C, Sun Y. The Multi-Faceted Role of Autophagy During Animal Virus Infection. Front Cell Infect Microbiol 2022; 12:858953. [PMID: 35402295 PMCID: PMC8990858 DOI: 10.3389/fcimb.2022.858953] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Accepted: 03/01/2022] [Indexed: 01/17/2023] Open
Abstract
Autophagy is a process of degradation to maintain cellular homeostatic by lysosomes, which ensures cellular survival under various stress conditions, including nutrient deficiency, hypoxia, high temperature, and pathogenic infection. Xenophagy, a form of selective autophagy, serves as a defense mechanism against multiple intracellular pathogen types, such as viruses, bacteria, and parasites. Recent years have seen a growing list of animal viruses with autophagy machinery. Although the relationship between autophagy and human viruses has been widely summarized, little attention has been paid to the role of this cellular function in the veterinary field, especially today, with the growth of serious zoonotic diseases. The mechanisms of the same virus inducing autophagy in different species, or different viruses inducing autophagy in the same species have not been clarified. In this review, we examine the role of autophagy in important animal viral infectious diseases and discuss the regulation mechanisms of different animal viruses to provide a potential theoretical basis for therapeutic strategies, such as targets of new vaccine development or drugs, to improve industrial production in farming.
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Affiliation(s)
- Hui Jiang
- Department of Avian Infectious Diseases, Shanghai Veterinary Research Institute. Chinese Academy of Agricultural Science, Shanghai, China
| | - Xianjin Kan
- Department of Avian Infectious Diseases, Shanghai Veterinary Research Institute. Chinese Academy of Agricultural Science, Shanghai, China
| | - Chan Ding
- Department of Avian Infectious Diseases, Shanghai Veterinary Research Institute. Chinese Academy of Agricultural Science, Shanghai, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonosis, Yangzhou University, Yangzhou, China
- *Correspondence: Yingjie Sun, ; Chan Ding,
| | - Yingjie Sun
- Department of Avian Infectious Diseases, Shanghai Veterinary Research Institute. Chinese Academy of Agricultural Science, Shanghai, China
- *Correspondence: Yingjie Sun, ; Chan Ding,
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Patil VS, Harish DR, Vetrivel U, Roy S, Deshpande SH, Hegde HV. Hepatitis C Virus NS3/4A Inhibition and Host Immunomodulation by Tannins from Terminalia chebula: A Structural Perspective. Molecules 2022; 27:molecules27031076. [PMID: 35164341 PMCID: PMC8839135 DOI: 10.3390/molecules27031076] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Revised: 01/15/2022] [Accepted: 01/22/2022] [Indexed: 01/27/2023] Open
Abstract
Terminalia chebula Retz. forms a key component of traditional folk medicine and is also reported to possess antihepatitis C virus (HCV) and immunomodulatory activities. However, information on the intermolecular interactions of phytochemicals from this plant with HCV and human proteins are yet to be established. Thus, by this current study, we investigated the HCV NS3/4A inhibitory and host immune-modulatory activity of phytocompounds from T. chebula through in silico strategies involving network pharmacology and structural bioinformatics techniques. To start with, the phytochemical dataset of T. chebula was curated from biological databases and the published literature. Further, the target ability of the phytocompounds was predicted using BindingDB for both HCV NS3/4A and other probable host targets involved in the immune system. Further, the identified targets were docked to the phytochemical dataset using AutoDock Vina executed through the POAP pipeline. The resultant docked complexes with significant binding energy were subjected to 50 ns molecular dynamics (MD) simulation in order to infer the stability of complex formation. During network pharmacology analysis, the gene set pathway enrichment of host targets was performed using the STRING and Reactome pathway databases. Further, the biological network among compounds, proteins, and pathways was constructed using Cytoscape 3.6.1. Furthermore, the druglikeness, side effects, and toxicity of the phytocompounds were also predicted using the MolSoft, ADVERpred, and PreADMET methods, respectively. Out of 41 selected compounds, 10 were predicted to target HCV NS3/4A and also to possess druglike and nontoxic properties. Among these 10 molecules, Chebulagic acid and 1,2,3,4,6-Pentagalloyl glucose exhibited potent HCV NS3/4A inhibitory activity, as these scored a lowest binding energy (BE) of −8.6 kcal/mol and −7.7 kcal/mol with 11 and 20 intermolecular interactions with active site residues, respectively. These findings are highly comparable with Asunaprevir (known inhibitor of HCV NS3/4A), which scored a BE of −7.4 kcal/mol with 20 key intermolecular interactions. MD studies also strongly suggest that chebulagic acid and 1,2,3,4,6-Pentagalloyl glucose as promising leads, as these molecules showed stable binding during 50 ns of production run. Further, the gene set enrichment and network analysis of 18 protein targets prioritized 10 compounds and were predicted to potentially modulate the host immune system, hemostasis, cytokine levels, interleukins signaling pathways, and platelet aggregation. On overall analysis, this present study predicts that tannins from T. chebula have a potential HCV NS3/4A inhibitory and host immune-modulatory activity. However, further experimental studies are required to confirm the efficacies.
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Affiliation(s)
- Vishal S. Patil
- ICMR-National Institute of Traditional Medicine, Nehru Nagar, Belagavi 590010, India; (V.S.P.); (U.V.); (S.H.D.); (H.V.H.)
| | - Darasaguppe R. Harish
- ICMR-National Institute of Traditional Medicine, Nehru Nagar, Belagavi 590010, India; (V.S.P.); (U.V.); (S.H.D.); (H.V.H.)
- Correspondence: (D.R.H.); (S.R.)
| | - Umashankar Vetrivel
- ICMR-National Institute of Traditional Medicine, Nehru Nagar, Belagavi 590010, India; (V.S.P.); (U.V.); (S.H.D.); (H.V.H.)
- ICMR-National Institute for Research in Tuberculosis, Chetpet, Chennai 600031, India
| | - Subarna Roy
- ICMR-National Institute of Traditional Medicine, Nehru Nagar, Belagavi 590010, India; (V.S.P.); (U.V.); (S.H.D.); (H.V.H.)
- Correspondence: (D.R.H.); (S.R.)
| | - Sanjay H. Deshpande
- ICMR-National Institute of Traditional Medicine, Nehru Nagar, Belagavi 590010, India; (V.S.P.); (U.V.); (S.H.D.); (H.V.H.)
- Regional Centre for Biotechnology, NCR-Biotech Science Cluster, Faridabad 121001, India
| | - Harsha V. Hegde
- ICMR-National Institute of Traditional Medicine, Nehru Nagar, Belagavi 590010, India; (V.S.P.); (U.V.); (S.H.D.); (H.V.H.)
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11
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Targeting autophagy with natural products to prevent SARS-CoV-2 infection. J Tradit Complement Med 2021; 12:55-68. [PMID: 34664025 PMCID: PMC8516241 DOI: 10.1016/j.jtcme.2021.10.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/27/2021] [Accepted: 10/12/2021] [Indexed: 01/18/2023] Open
Abstract
Autophagy is a catabolic process that maintains internal homeostasis and energy balance through the lysosomal degradation of redundant or damaged cellular components. During virus infection, autophagy is triggered both in parenchymal and in immune cells with different finalistic objectives: in parenchymal cells, the goal is to destroy the virion particle while in macrophages and dendritic cells the goal is to expose virion-derived fragments for priming the lymphocytes and initiate the immune response. However, some viruses have developed a strategy to subvert the autophagy machinery to escape the destructive destiny and instead exploit it for virion assembly and exocytosis. Coronaviruses (like SARS-CoV-2) possess such ability. The autophagy process requires a set of proteins that constitute the core machinery and is controlled by several signaling pathways. Here, we report on natural products capable of interfering with SARS-CoV-2 cellular infection and replication through their action on autophagy. The present study provides support to the use of such natural products as adjuvant therapeutics for the management of COVID-19 pandemic to prevent the virus infection and replication, and so mitigating the progression of the disease.
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12
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Duan Q, Liu T, Huang C, Shao Q, Ma Y, Wang W, Liu T, Sun J, Fang J, Huang G, Chen Z. The Chinese Herbal Prescription JieZe-1 Inhibits Membrane Fusion and the Toll-like Receptor Signaling Pathway in a Genital Herpes Mouse Model. Front Pharmacol 2021; 12:707695. [PMID: 34630083 PMCID: PMC8497740 DOI: 10.3389/fphar.2021.707695] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 09/09/2021] [Indexed: 12/16/2022] Open
Abstract
Chinese herbal prescription JieZe-1 is effective for genital herpes with no visible adverse effects clinically. It showed an excellent anti-HSV-2 effect in vitro. However, its mechanism of anti-HSV-2 effect in vivo remains unclear. This study was designed to evaluate the anti-HSV-2 effect of JieZe-1 and berberine in a genital herpes mouse model and explore the underlying mechanism. The fingerprint of JieZe-1 was determined by high-performance liquid chromatography. First, we optimized a mouse model of genital herpes. Next, the weight, symptom score, morphological changes, viral load, membrane fusion proteins, critical proteins of the Toll-like receptor signaling pathway, cytokines, and immune cells of vaginal tissue in mice at different time points were measured. Finally, we treated the genital herpes mouse model with JieZe-1 gel (2.5, 1.5, and 0.5 g/ml) and tested the above experimental indexes at 12 h and on the 9th day after modeling. JieZe-1 improved the symptoms, weight, and histopathological damage of genital herpes mice, promoted the keratin repair of tissues, and protected organelles to maintain the typical morphology of cells. It downregulated the expression of membrane fusion proteins, critical proteins of the Toll-like receptor signaling pathway, cytokines, and immune cells. The vaginal, vulvar, and spinal cord viral load and vaginal virus shedding were also significantly reduced. In summary, JieZe-1 shows significant anti-HSV-2 efficacy in vivo. The mechanism is related to the inhibition of membrane fusion, the Toll-like receptor signaling pathway, inflammatory cytokines, and cellular immunity. However, berberine, the main component of JieZe-1 monarch medicine, showed no efficacy at a concentration of 891.8 μM (0.3 mg/ml).
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Affiliation(s)
- Qianni Duan
- Department of TCM, Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tong Liu
- Department of TCM, Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Cong Huang
- Department of TCM, Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qingqing Shao
- Department of TCM, Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yonggui Ma
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wenjia Wang
- Department of TCM, Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Tianli Liu
- Department of TCM, Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jun Sun
- Department of Biochemistry and Molecular Biology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jianguo Fang
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Guangying Huang
- Department of TCM, Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhuo Chen
- Department of TCM, Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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13
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Tong NN, Zhou XY, Peng LP, Liu ZA, Shu QY. A comprehensive study of three species of Paeonia stem and leaf phytochemicals, and their antioxidant activities. JOURNAL OF ETHNOPHARMACOLOGY 2021; 273:113985. [PMID: 33667571 DOI: 10.1016/j.jep.2021.113985] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 02/25/2021] [Accepted: 02/26/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Paeonia plants have been widely used as traditional Chinese medicinal materials for more than 2,000 years in the treatment of cardiovascular, extravasated blood and female genital diseases; paeoniflorin and paeonol have been implicated as the plants' primary active ingredients. AIM OF THE STUDY Previous studies have been singularly focused on the chemical constituents and content variation of the Paeonia roots in the advancement of traditional Chinese medicine, with the plants' stems and leaves considered useless. This study aims to explore the chemical constituents, content variation, and antioxidant capacity in Paeonia stems and leaves for the future utilization of traditional Chinese medicine, given that current practices of digging and trade endanger Paeonia in the wild. MATERIALS AND METHODS Herein, secondary metabolites from the stems and leaves from six developmental stages of the annual growth cycle of Paeonia ostii T. Hong & J. X. Zhang, P. 'Hexie', and P. lactiflora Pall. were qualitatively and quantitatively analyzed via high-performance liquid chromatography with a diode array detector (HPLC-DAD) and high-performance liquid chromatography quadrupole time-of-flight mass spectrometry (HPLC-Q-TOF-MS). Antioxidant capacity at each stage was also evaluated by various free radical scavenging assays. RESULTS A total of 24 metabolites were detected and identified, including 5 monoterpene glycosides, 4 tannins, 5 phenols, 9 flavonoids, and paeonol. Excepting paeonol and the phenols, the levels of each metabolite category were significantly higher in the leaves than the stems during all developmental stages. The paeoniflorin content in the P. ostii leaves was the highest during the first developmental stage and higher than the standards of the Chinese Pharmacopoeia, suggesting it to be the optimal harvesting stage for medicinal uses. Notably, the antioxidant capacity of the leaves was significantly greater than in the stems, particularly for the leaves of P. 'Hexie'. CONCLUSION Our study indicates that the leaves of P. 'Hexie' have the potential to be a worthy medicinal substitute to Paeonia roots due to their high monoterpene glycosides, phenols, and flavonoids as well as their strong antioxidant capacity. Further, this study provides a theoretical basis for the development and utilization of non-root Paeonia plant sections as medicinal plant resources.
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Affiliation(s)
- Ning-Ning Tong
- Key Laboratory of Plant Resources/Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Xiao-Yang Zhou
- Key Laboratory of Plant Resources/Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China.
| | - Li-Ping Peng
- Key Laboratory of Plant Resources/Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China.
| | - Zheng-An Liu
- Key Laboratory of Plant Resources/Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China.
| | - Qing-Yan Shu
- Key Laboratory of Plant Resources/Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China.
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14
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Wang Y, He H, Li J, Chen L, Luo J, Kuang Y, Lv Z, Fan R, Zhang B, Luo Y, Guo X. Rabies Virus-Induced Autophagy Is Dependent on Viral Load in BV2 Cells. Front Microbiol 2021; 12:595678. [PMID: 34113320 PMCID: PMC8186530 DOI: 10.3389/fmicb.2021.595678] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 04/14/2021] [Indexed: 12/24/2022] Open
Abstract
An increasing number of studies are showing that autophagy plays a vital role in viral replication and escape. Rabies virus (RABV), a typical neurotropic virus, has been proven to induce autophagy in neurons. However, there are no reports indicating that RABV can cause autophagy in other cells of the central nervous system. Thus, we aimed to explore the relationship between autophagy and RABV infection in BV2 cells in this study. Results of viral growth curves showed that the titers of microglial BV2 cells infected with RABV peaked at 12 hours post-infection (hpi) and then decreased continuously over time. However, it was found that the viral genome RNA and structural proteins can express normally in BV2 cells. In addition, Western blotting indicated that RABV infection increased LC3-II and p62 expression in BV2 cells. LC3 punctate increased with RABV infection in BV2 cells after the transfection of fluorescent protein-tagged LC3 plasmids. Moreover, autophagy cargo protein further accumulated with RABV infection in Bafilomycin A1-treated cells. Subsequently, RABV infection inhibited the fusion of autophagosomes with lysosomes by using a tandem fluorescent marker. Furthermore, a higher multiplicity of infection induced stronger autophagy. Thus, RABV can induce autophagy in BV2 cells, and the autophagy is positively associated with the viral load.
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Affiliation(s)
- Yang Wang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Hongling He
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Jiesen Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Luman Chen
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Jun Luo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Yanqi Kuang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Ziyu Lv
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Ruqi Fan
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Boyue Zhang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Yongwen Luo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Xiaofeng Guo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
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15
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Chen TF, Hsu JT, Wu KC, Hsiao CF, Lin JA, Cheng YH, Liu YH, Lee DY, Chang HH, Cho DY, Hsu JL. A systematic identification of anti-inflammatory active components derived from Mu Dan Pi and their applications in inflammatory bowel disease. Sci Rep 2020; 10:17238. [PMID: 33057107 PMCID: PMC7560859 DOI: 10.1038/s41598-020-74201-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 09/28/2020] [Indexed: 12/27/2022] Open
Abstract
Mu Dan Pi (MDP), also known as Moutan Cortex Radicis, is a traditional Chinese medicine used to treat autoimmune diseases. However, the impact of MDP and its principal active compounds on inflammatory bowel disease (IBD) is uncertain. This study therefore systemically assessed the anti-inflammatory effects of MDP and its known active compounds in IBD. The anti-inflammatory activities of water extract and individual compounds were screened by NF-κB and interferon regulatory factor (IRF) reporter assays in THP-1 cells induced with either Toll-like receptor or retinoic acid inducible gene I/melanoma differentiation-associated gene 5 activators and further verified in bone marrow-derived macrophages. MDP water extract significantly inhibited the activation of NF-κB and IRF reporters, downstream signaling pathways and the production of IL-6 and TNF-α, in a dose-dependent manner. Among 5 known active components identified from MDP (1,2,3,4,6-penta-O-galloyl-β-d-glucose [PGG], gallic acid, methyl gallate, paeoniflorin, and paeonol), PGG was the most efficient at inhibiting both reporters (with an IC50 of 5–10 µM) and downregulating IL-6 and TNF-α. Both MDP powder for clinical use and MDP water extract, but not PGG, reduced colitis and pathological changes in mice. MDP and its water extract show promise as a novel therapy for IBD patients.
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Affiliation(s)
- Tzu-Fan Chen
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Jeh-Ting Hsu
- Department of Information Management, Hsing Wu University, Taipei, Taiwan
| | - Kun-Chang Wu
- School of Pharmacy, College of Pharmacy, China Medical University, Taichung, Taiwan
| | - Che-Fang Hsiao
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Jou-An Lin
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Yun-Hsin Cheng
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Yu-Huei Liu
- Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan.,Department of Medical Genetics and Medical Research, China Medical University Hospital, Taichung, Taiwan
| | - Der-Yen Lee
- Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
| | - Hen-Hong Chang
- Graduate Institute of Integrated Medicine, China Medical University, Taichung, Taiwan
| | - Der-Yang Cho
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan.,Drug Development Center, China Medical University, Taichung, Taiwan.,Translational Cell Therapy Center, Department of Medical Research, China Medical University Hospital, Taichung, Taiwan.,Department of Neurosurgery, China Medical University Hospital, Taichung, Taiwan
| | - Jye-Lin Hsu
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan. .,Drug Development Center, China Medical University, Taichung, Taiwan.
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16
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Role of autophagy in nerve cell apoptosis in mice infected with street rabies virus. Arch Virol 2020; 165:2857-2867. [PMID: 33034763 DOI: 10.1007/s00705-020-04815-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Accepted: 08/17/2020] [Indexed: 12/30/2022]
Abstract
Rabies is an important zoonotic disease in Iran. Autophagy is a process that maintains homeostasis and can be used as an innate defense mechanism against viruses. Apoptosis is the process of programmed cell death induced by physiological and pathological conditions. The crosstalk of autophagy and apoptosis plays a key role in rabies virus infection. In the current study, NMRI mice intra-cranially received 3-Methyl Adenine (3-MA), rapamycin, street rabies virus (SRABV) and drugs plus SRABV. SRABV and Map1lc3, Beclin-1, Atg5 gene expression were assayed by real-time PCR. Immunohistochemistry was carried out via LC3 protein staining as an autophagy marker, and apoptotic cell death was measured using a TUNEL assay. Map1lc3, Beclin-1 and Atg5 genes expression was significantly increased in drug-plus-SRBV-treated tissues compared to control at 24 hpi. Map1lc3 and Atg5 gene expression showed a slight change in the drugs-plus-virus group compared with the control at 72 hpi. The presence of LC3 in the tissues of the group treated with rapamycin plus SRBV confirmed induction of autophagy, but it was not present in the tissues treated with 3-MA plus SRBV. Our data revealed that apoptosis was induced only in the groups receiving the SRBV or rapamycin or both at 24 hpi. Apoptosis was observed after 72 hours, when the drugs' effect had disappeared in all but the autophagy inhibitor group. Understanding the interaction of SRABV with autophagy pathway genes and its effect on host cell apoptosis may open a new horizon for human intervention and allow a deeper understanding of rabies infections.
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17
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Chen YP, Ho TS, Lee PC, Chang HH, Shieh GS, Lee CI, Hu WL, Hung YC. Effects of Chinese and Western Medicine on Patients with Dengue Fever. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2020; 48:329-340. [PMID: 32138530 DOI: 10.1142/s0192415x20500160] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Dengue fever is an important epidemic disease with a high prevalence in tropical and subtropical countries. We aimed to investigate the effects of a treatment integrating traditional Chinese (TCM) and Western medicines on dengue inpatients with warning signs (i.e., group B) according to the World Health Organization dengue classification in this retrospective cohort study of medical records. Inpatients who were treated with conventional Western therapies in the absence or presence of TCM were assigned to the control and treatment groups, respectively. Data were compared using an analysis of variance, general linear analysis, and chi-square test. The most common clinical symptoms and signs of dengue fever were fever and muscle ache. The treatment group patients were significantly more likely to present general weakness and poor appetite than the control group patients. Patients in the treatment group were more likely to experience stomachache than those in the control group. Moreover, comparisons of the changes in hemoglobin and alanine aminotransferase levels over time revealed significant differences between the patient groups. Zhu Ye Shi Gao Tang, Gui Pi Tang, Paeonia suffruticosa, and Clerodendrum cyrtophyllum were the most commonly administered TCM formula and single herbs in this study. Patients in the treatment group experienced a resolution of symptoms, signs, and laboratory data and were discharged smoothly, without deterioration to death or critical care. Our findings suggest that the integration of TCM and Western medicine may yield an appropriate treatment for dengue fever.
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Affiliation(s)
- Yu-Pei Chen
- Department of Chinese Medicine, Tainan Hospital, Ministry of Health and Welfare, Tainan, Taiwan.,School of Medicine, National Cheng Kung University Tainan, Taiwan.,Department of Pharmacy, Chia Nan University of Pharmacy & Science, Tainan, Taiwan.,School of Chinese Medicine, China Medical University Taichung, Taiwan
| | - Tzong-Shiann Ho
- College of Medicine, National Cheng Kung University Tainan, Taiwan.,Department of Pediatrics, National Cheng Kung University Hospital, Tainan, Taiwan
| | - Po-Chang Lee
- School of Medicine, National Cheng Kung University Tainan, Taiwan.,National Health Insurance Administration, Ministry of Health and Welfare, Taipei, Taiwan
| | - Hen-Hong Chang
- Graduate Institute of Integrated Medicine, College of Chinese Medicine, and Chinese Medicine Research Center, China Medical University, Taichung, Taiwan.,Department of Chinese Medicine, China Medical University Hospital, Taichung, Taiwan
| | - Gia-Shing Shieh
- Department of Urology, Tainan Hospital, Ministry of Health and Welfare, Tainan, Taiwan.,Department of Biochemistry and Molecular Biology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
| | - Chih-I Lee
- Department of Infection, Tainan Hospital, Ministry of Health and Welfare, Tainan, Taiwan
| | - Wen-Long Hu
- Department of Chinese Medicine, Kaohsiung Chang Gung Memorial Hospital and School of Traditional Chinese Medicine, Chang Gung University College of Medicine, Kaohsiung, Taiwan.,Kaohsiung Medical University College of Medicine, Kaohsiung, Taiwan.,Fooyin University College of Nursing, Kaohsiung, Taiwan
| | - Yu-Chiang Hung
- Department of Chinese Medicine, Kaohsiung Chang Gung Memorial Hospital and School of Traditional Chinese Medicine, Chang Gung University College of Medicine, Kaohsiung, Taiwan
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18
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Bello-Perez M, Pereiro P, Coll J, Novoa B, Perez L, Falco A. Zebrafish C-reactive protein isoforms inhibit SVCV replication by blocking autophagy through interactions with cell membrane cholesterol. Sci Rep 2020; 10:566. [PMID: 31953490 PMCID: PMC6969114 DOI: 10.1038/s41598-020-57501-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 12/31/2019] [Indexed: 02/06/2023] Open
Abstract
In the present work, the mechanisms involved in the recently reported antiviral activity of zebrafish C-reactive protein-like protein (CRP1-7) against the spring viraemia of carp rhabdovirus (SVCV) in fish are explored. The results neither indicate blocking of the attachment or the binding step of the viral replication cycle nor suggest the direct inhibition of G protein fusion activity or the stimulation of the host’s interferon system. However, an antiviral state in the host is induced. Further results showed that the antiviral protection conferred by CRP1-7 was mainly due to the inhibition of autophagic processes. Thus, given the high affinity of CRPs for cholesterol and the recently described influence of the cholesterol balance in lipid rafts on autophagy, both methyl-β-cyclodextrin (a cholesterol-complexing agent) and 25-hydroxycholesterol (a cholesterol molecule with antiviral properties) were used to further describe CRP activity. All the tested compounds exerted antiviral activity by affecting autophagy in a similar manner. Further assays indicate that CRP reduces autophagy activity by initially disturbing the cholesterol ratios in the host cellular membranes, which in turn negatively affects the intracellular regulation of reactive oxygen species (ROS) and increases lysosomal pH as a consequence. Ultimately, here we propose that such pH changes exert an inhibitory direct effect on SVCV replication by disrupting the pH-dependent membrane-fusogenic ability of the viral glycoprotein G, which allows the release of the virus from endosomes into cytoplasm during its entry phase.
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Affiliation(s)
- Melissa Bello-Perez
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Miguel Hernández University (UMH), Elche, 03202, Spain
| | - Patricia Pereiro
- Instituto de Investigaciones Marinas (IIM), Consejo Superior de Investigaciones Científicas (CSIC), Vigo, 36208, Spain
| | - Julio Coll
- Instituto Nacional de Investigaciones y Tecnologías Agrarias y Alimentarias (INIA), Dpto. Biotecnología, Madrid, 28040, Spain
| | - Beatriz Novoa
- Instituto de Investigaciones Marinas (IIM), Consejo Superior de Investigaciones Científicas (CSIC), Vigo, 36208, Spain
| | - Luis Perez
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Miguel Hernández University (UMH), Elche, 03202, Spain.
| | - Alberto Falco
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Miguel Hernández University (UMH), Elche, 03202, Spain.
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19
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Pentagalloylglucose Inhibits the Replication of Rabies Virus via Mediation of the miR-455/SOCS3/STAT3/IL-6 Pathway. J Virol 2019; 93:JVI.00539-19. [PMID: 31243136 DOI: 10.1128/jvi.00539-19] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 06/23/2019] [Indexed: 02/07/2023] Open
Abstract
Our previous study showed that pentagalloylglucose (PGG), a naturally occurring hydrolyzable phenolic tannin, possesses significant anti-rabies virus (RABV) activity. In BHK-21 cells, RABV induced the overactivation of signal transducer and activator of transcription 3 (STAT3) by suppressing the expression of suppressor of cytokine signaling 3 (SOCS3). Inhibition of STAT3 by niclosamide, small interfering RNA, or exogenous expression of SOCS3 all significantly suppressed the replication of RABV. Additionally, RABV-induced upregulation of microRNA 455-5p (miR-455-5p) downregulated SOCS3 by directly binding to the 3' untranslated region (UTR) of SOCS3. Importantly, PGG effectively reversed the expression of miR-455-5p and its following SOCS3/STAT3 signaling pathway. Finally, activated STAT3 elicited the expression of interleukin-6 (IL-6), thereby contributing to RABV-associated encephalomyelitis; however, PGG restored the level of IL-6 in vitro and in vivo in a SOCS3/STAT3-dependent manner. Altogether, these data identify a new miR-455-5p/SOCS3/STAT3 signaling pathway that contributes to viral replication and IL-6 production in RABV-infected cells, with PGG exerting its antiviral effect by inhibiting the production of miR-455-5p and the activation of STAT3.IMPORTANCE Rabies virus causes lethal encephalitis in mammals and poses a serious public health threat in many parts of the world. Numerous strategies have been explored to combat rabies; however, their efficacy has always been unsatisfactory. We previously reported a new drug, PGG, which possesses a potent inhibitory activity on RABV replication. Herein, we describe the underlying mechanisms by which PGG exerts its anti-RABV activity. Our results show that RABV induces overactivation of STAT3 in BHK-21 cells, which facilitates viral replication. Importantly, PGG effectively inhibits the activity of STAT3 by disrupting the expression of miR-455-5p and increases the level of SOCS3 by directly targeting the 3' UTR of SOCS3. Furthermore, the downregulated STAT3 inhibits the production of IL-6, thereby contributing to a reduction in the inflammatory response in vivo Our study indicates that PGG effectively inhibits the replication of RABV by the miR-455-5p/SOCS3/STAT3/IL-6-dependent pathway.
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Patnaik SS, Simionescu DT, Goergen CJ, Hoyt K, Sirsi S, Finol EA. Pentagalloyl Glucose and Its Functional Role in Vascular Health: Biomechanics and Drug-Delivery Characteristics. Ann Biomed Eng 2019; 47:39-59. [PMID: 30298373 PMCID: PMC6318003 DOI: 10.1007/s10439-018-02145-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 09/28/2018] [Indexed: 02/08/2023]
Abstract
Pentagalloyl glucose (PGG) is an elastin-stabilizing polyphenolic compound that has significant biomedical benefits, such as being a free radical sink, an anti-inflammatory agent, anti-diabetic agent, enzymatic resistant properties, etc. This review article focuses on the important benefits of PGG on vascular health, including its role in tissue mechanics, the different modes of pharmacological administration (e.g., oral, intravenous and endovascular route, intraperitoneal route, subcutaneous route, and nanoparticle based delivery and microbubble-based delivery), and its potential therapeutic role in vascular diseases such as abdominal aortic aneurysms (AAA). In particular, the use of PGG for AAA suppression and prevention has been demonstrated to be effective only in the calcium chloride rat AAA model. Therefore, in this critical review we address the challenges that lie ahead for the clinical translation of PGG as an AAA growth suppressor.
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Affiliation(s)
- Sourav S Patnaik
- Vascular Biomechanics and Biofluids Laboratory, Department of Mechanical Engineering, The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, 78249-0670, USA
| | - Dan T Simionescu
- Department of Bioengineering, Clemson University, Clemson, SC, USA
| | - Craig J Goergen
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, USA
| | - Kenneth Hoyt
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX, USA
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Shashank Sirsi
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX, USA
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Ender A Finol
- Vascular Biomechanics and Biofluids Laboratory, Department of Mechanical Engineering, The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX, 78249-0670, USA.
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