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Yu F, Yang L, Zhang R, Hu F, Yuan Y, Wang Z, Yang W. Low levels of supercoiled mitochondrial DNA are involved in heart failure induced by transverse aortic constriction in mice via an inflammatory response mediated by ZBP1. Exp Cell Res 2024; 442:114187. [PMID: 39069152 DOI: 10.1016/j.yexcr.2024.114187] [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: 05/12/2024] [Revised: 07/02/2024] [Accepted: 07/25/2024] [Indexed: 07/30/2024]
Abstract
BACKGROUND Inflammation in the myocardium plays a critical role in cardiac remodeling and the pathophysiology of heart failure (HF). Previous studies have shown that mitochondrial DNA (mtDNA) can exist in different topological forms. However, the specific influence of the ratio of supercoiled/relaxed mtDNA on the inflammatory response in cardiomyocytes remains poorly understood. The aim of this study was to elucidate the differential effects of different mtDNA types on cardiomyocyte inflammation through regulation of ZBP1. MATERIALS AND METHODS A mouse model of HF was established by transverse aortic constriction (TAC) or doxorubicin (Doxo) induction. Histopathological changes were assessed by HE staining. ELISA was used to measure cytokine levels (IL-1β and IL-6). Southern blot analysis was performed to examine the different topology of mtDNA. Pearson correlation analysis was used to determine the correlation between the ratio of supercoiled/relaxed mtDNA and inflammatory cytokines. Reverse transcription quantitative PCR (RT-qPCR) was used to measure the mRNA expression levels of cytokines (IL-1β, IL-6) and Dloop, as an mtDNA marker. RESULTS The ratio of supercoiled to relaxed mtDNA was significantly increased in the myocardium of Doxo-induced mice, whereas no significant changes were observed in TAC-induced mice. The levels of IL-1β and IL-6 were positively correlated with the cytoplasmic mtDNA supercoiled/relaxed circle ratio. Different mtDNA topology has different effects on inflammatory pathways. Low supercoiled mtDNA primarily activates the NF-κB (Ser536) pathway via ZBP1, whereas high supercoiled mtDNA significantly affects the STAT1 and STAT2 pathways. The RIPK3-NF-κB pathway, as a downstream target of ZBP1, mediates the inflammatory response induced by low supercoiled mtDNA. Knockdown of TLR9 enhances the expression of ZBP1, p-NF-κB, and RIPK3 in cardiomyocytes treated with low supercoiled mtDNA, indicating the involvement of TLR9 in the anti-inflammatory role of ZBP1 in low supercoiled mtDNA-induced inflammation. CONCLUSION Different ratios of supercoiled to relaxed mtDNA influence the inflammatory response of cardiomyocytes and contribute to HF through the involvement of ZBP1. ZBP1, together with its downstream inflammatory mechanisms, mediates the inflammatory response induced by a low ratio of supercoiled mtDNA.
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Affiliation(s)
- Fan Yu
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Lu Yang
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Rongjie Zhang
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Fajia Hu
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Yong Yuan
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Zixu Wang
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China
| | - Wei Yang
- Department of Cardiovascular Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330006, Jiangxi, China.
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Uekusa Y, Tanioka C, Nakamoto K, Tsutsumi R, Iida C, Enshu N, Nishimura T, Kiuchi F, Kikuchi H. Compound-compound interaction analysis of baicalin and berberine derivatives in aqueous solution. J Nat Med 2024; 78:590-598. [PMID: 38573419 DOI: 10.1007/s11418-024-01804-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Accepted: 03/09/2024] [Indexed: 04/05/2024]
Abstract
Baicalin and berberine are biologically active constituents of the crude drugs Scutellaria root and Coptis rhizome/Phellodendron bark, respectively. Baicalin and berberine are reported to combine together as a 1:1 complex that forms yellow precipitates by electrostatic interaction in decoctions of Kampo formulae containing these crude drugs. However, the structural basis and mechanism for the precipitate formation of this compound-compound interaction in aqueous solution remains unclarified. Herein, we searched for berberine derivatives in the Coptis rhizome that interact with baicalin and identified the chemical structures involved in the precipitation formation. Precipitation assays showed that baicalin formed precipitates with berberine and coptisine but not with palmatine and epiberberine. Thus, the 2,3-methylenedioxy structure may be crucial to the formation of the precipitates, and electrostatic interaction is necessary but is not sufficient. In this multicomponent system experiment, palmatine formed a dissociable complex with baicalin and may competitively inhibit the formation of berberine and coptisine precipitation with baicalin. Therefore, the precipitation formed by berberine and baicalin was considered to be caused by the aggregation of the berberine-baicalin complex, and the 2,3-methylenedioxy structure is likely crucial to the aggregation of the complex.
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Affiliation(s)
- Yoshinori Uekusa
- Division of Natural Medicines, Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato-Ku, Tokyo, 105-8512, Japan.
| | - Chiharu Tanioka
- Division of Natural Medicines, Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato-Ku, Tokyo, 105-8512, Japan
| | - Kenjiro Nakamoto
- Division of Natural Medicines, Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato-Ku, Tokyo, 105-8512, Japan
| | - Riina Tsutsumi
- Division of Natural Medicines, Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato-Ku, Tokyo, 105-8512, Japan
| | - Chihiro Iida
- Division of Natural Medicines, Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato-Ku, Tokyo, 105-8512, Japan
| | - Naoto Enshu
- Division of Natural Medicines, Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato-Ku, Tokyo, 105-8512, Japan
| | - Takehiro Nishimura
- Division of Natural Medicines, Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato-Ku, Tokyo, 105-8512, Japan
| | - Fumiyuki Kiuchi
- Division of Natural Medicines, Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato-Ku, Tokyo, 105-8512, Japan
| | - Haruhisa Kikuchi
- Division of Natural Medicines, Faculty of Pharmacy, Keio University, 1-5-30 Shibakoen, Minato-Ku, Tokyo, 105-8512, Japan.
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A New 1,3-Benzodioxole Compound from Hypecoum erectum and Its Antioxidant Activity. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27196657. [PMID: 36235194 PMCID: PMC9570887 DOI: 10.3390/molecules27196657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/25/2022] [Accepted: 10/04/2022] [Indexed: 11/06/2022]
Abstract
The purpose of this study was to identify the chemical components in aerial parts of Hypecoum erectum. A new 1,3-benzodioxole derivative, identified as Hypecoumic acid (1), was isolated, together with the three known compounds: protopine (2), coptisine (3), and cryptopine (4). Their structures were identified based on extensive spectroscopic experiments, including nuclear magnetic resonance (NMR) and high-resolution electrospray ionization mass spectra (HR-ESI-MS), as well as comparison with those reported in the literature. Meanwhile, the in vitro antioxidative activity of all compounds was determined using a DPPH-scavenging assay, and compound 1 (IC50 = 86.3 ± 0.2 μM) was shown to have moderate antioxidative activity.
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Behl T, Gupta A, Albratty M, Najmi A, Meraya AM, Alhazmi HA, Anwer MK, Bhatia S, Bungau SG. Alkaloidal Phytoconstituents for Diabetes Management: Exploring the Unrevealed Potential. Molecules 2022; 27:molecules27185851. [PMID: 36144587 PMCID: PMC9501853 DOI: 10.3390/molecules27185851] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 08/31/2022] [Accepted: 09/06/2022] [Indexed: 11/16/2022] Open
Abstract
The main characteristic feature of diabetes mellitus is the disturbance of carbohydrate, lipid, and protein metabolism, which results in insulin insufficiency and can also lead to insulin resistance. Both the acute and chronic diabetic cases are increasing at an exponential rate, which is also flagged by the World Health Organization (WHO) and the International Diabetes Federation (IDF). Treatment of diabetes mellitus with synthetic drugs often fails to provide desired results and limits its use to symptomatic treatment only. This has resulted in the exploration of alternative medicine, of which herbal treatment is gaining popularity these days. Owing to their safety benefits, treatment compliance, and ability to exhibit effects without disturbing internal homeostasis, research in the field of herbal and ayurvedic treatments has gained importance. Medicinal phytoconstituents include micronutrients, amino acids, proteins, mucilage, critical oils, triterpenoids, saponins, carotenoids, alkaloids, flavonoids, phenolic acids, tannins, and coumarins, which play a dynamic function in the prevention and treatment of diabetes mellitus. Alkaloids found in medicinal plants represent an intriguing potential for the inception of novel approaches to diabetes mellitus therapies. Thus, this review article highlights detailed information on alkaloidal phytoconstituents, which includes sources and structures of alkaloids along with the associated mechanism involved in the management of diabetes mellitus. From the available literature and data presented, it can be concluded that these compounds hold tremendous potential for use as monotherapies or in combination with current treatments, which can result in the development of better efficacy and safety profiles.
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Affiliation(s)
- Tapan Behl
- School of Health Sciences, University of Petroleum and Energy Studies, Dehradun 248007, Uttarakhand, India
- Correspondence: (T.B.); (S.G.B.)
| | - Amit Gupta
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India
| | - Mohammed Albratty
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Asim Najmi
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
| | - Abdulkarim M. Meraya
- Pharmacy Practice Research Unit, Department of Clinical Pharmacy, College of Pharmacy, Jazan University, Jazan 45124, Saudi Arabia
| | - Hassan A. Alhazmi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
- Substance Abuse and Toxicology Research Centre, Jazan University, Jazan 45142, Saudi Arabia
| | - Md. Khalid Anwer
- Department of Pharmaceutics, College of Pharmacy, Prince Stattam Bin Abdulaziz University, Al-kharj 16278, Saudi Arabia
| | - Saurabh Bhatia
- Natural & Medical Sciences Research Centre, University of Nizwa, Birkat Al Mauz, Nizwa 616, Oman
| | - Simona Gabriela Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania
- Doctoral School of Biomedical Sciences, University of Oradea, 410028 Oradea, Romania
- Correspondence: (T.B.); (S.G.B.)
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Menisperdaurines A-W, structurally diverse isoquinoline alkaloids from Menispermum dauricum and their dopamine D1 receptor activities. Bioorg Chem 2022; 127:106027. [PMID: 35878451 DOI: 10.1016/j.bioorg.2022.106027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/05/2022] [Accepted: 07/11/2022] [Indexed: 11/21/2022]
Abstract
A total of 33 structurally diverse isoquinoline alkaloids were isolated from the rhizomes of Menispermum dauricum, including seventeen benzylisoquinoline analogues (menisperdaurines A-Q, 1-17), five protoberberine analogues (menisperdaurines R-V, 18-22), a quaternary phenanthrene alkaloid (menisperdaurine W, 23) and ten known compounds (24-33). Compound structures, including absolute configurations, were determined by extensive spectroscopic methods, quantum chemical calculations of chemical shifts, and calculated and experimental electronic circular dichroism (ECD) data. Compounds 1-5 were glycosidic benzylisoquinolines with glucose moieties attached at the C-12 position. Compound 8 was the first example that was isolated from the rhizomes of Menispermum dauricum, benzylisoquinoline and an aromatic unit connected by a sugar bridge. Compounds were evaluated for their inhibitory effects on the dopamine D1 receptor. Compounds 1, 8, 21, 24 and 29 showed potent D1 antagonistic activities, with IC50 values ranging from 1.0 to 4.5 μM. Compound 1 exhibited the highest antagonistic activity with an IC50 value of 1.0 ± 0.2 μM.
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Abstract
Medicinal plants play a fundamental part in health sectors via the management of different infectious diseases because of their wide plenitude wellspring of bioactive phytochemicals. Research activities on them have got attention throughout the world in the present days in search of low-cost and safe compounds for the management of diabetes. This is the literature-based analysis of alkaloids from medicinal plants in preventive or treatment approaches to diabetes. The most abundant and diversified group of secondary metabolites, i.e., alkaloids, show antidiabetic activity through the inhibition of enzymes (α-amylase, α-glucosidase, aldose reductase, dipeptidyl peptidase-IV, and protein tyrosine phosphatase-1B); inhibition of advanced glycation end products; increment of insulin secretion and its sensitivity; enhancement of glucose uptake; and their antioxidant ability. The study is useful for the examination of dynamic alkaloids for the advancement of a new medication for mankind.
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Grewal AS, Thapa K, Kanojia N, Sharma N, Singh S. Natural Compounds as Source of Aldose Reductase (AR) Inhibitors for the Treatment of Diabetic Complications: A Mini Review. Curr Drug Metab 2021; 21:1091-1116. [PMID: 33069193 DOI: 10.2174/1389200221666201016124125] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 07/07/2020] [Accepted: 07/18/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Aldol reductase (AR) is the polyol pathway's main enzyme that portrays a crucial part in developing 'complications of diabetes' involving cataract, retinopathy, nephropathy, and neuropathy. These diabetic abnormalities are triggered tremendously via aggregation of sorbitol formation (catalyzed by AR) in the polyol pathway. Consequently, it represents an admirable therapeutic target and vast research was done for the discovery of novel molecules as potential AR inhibitors for diabetic complications. OBJECTIVE This review article has been planned to discuss an outline of diabetic complications, AR and its role in diabetic complications, natural compounds reported as AR inhibitors, and benefits of natural/plant derived AR inhibitors for the management of diabetic abnormalities. RESULTS The goal of AR inhibition remedy is to stabilize the increased flux of blood glucose and sorbitol via the 'polyol pathway' in the affected tissues. A variety of synthetic inhibitors of AR have been established such as tolrestat and sorbinil, but both of these face limitations including low permeability and health problems. Pharmaceutical industries and other scientists were also undertaking work to develop newer, active, and 'safe' AR inhibitors from natural sources. Therefore, several naturally found molecules were documented to possess a potent inhibitory action on AR activity. CONCLUSION Natural inhibitors of AR appeared as harmless pharmacological agents for controlling diabetic complications. The detailed literature throughout this article shows the significance of herbal extracts and phytochemicals as prospective useful AR inhibitors in treating diabetic complications.
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Affiliation(s)
- Ajmer Singh Grewal
- Chitkara School of Basic Sciences, Chitkara University, Himachal Pradesh, India
| | - Komal Thapa
- Chitkara School of Basic Sciences, Chitkara University, Himachal Pradesh, India
| | - Neha Kanojia
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Neelam Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Sukhbir Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
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8
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Singh M, Kapoor A, Bhatnagar A. Physiological and Pathological Roles of Aldose Reductase. Metabolites 2021; 11:655. [PMID: 34677370 PMCID: PMC8541668 DOI: 10.3390/metabo11100655] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/17/2021] [Accepted: 09/17/2021] [Indexed: 12/15/2022] Open
Abstract
Aldose reductase (AR) is an aldo-keto reductase that catalyzes the first step in the polyol pathway which converts glucose to sorbitol. Under normal glucose homeostasis the pathway represents a minor route of glucose metabolism that operates in parallel with glycolysis. However, during hyperglycemia the flux of glucose via the polyol pathway increases significantly, leading to excessive formation of sorbitol. The polyol pathway-driven accumulation of osmotically active sorbitol has been implicated in the development of secondary diabetic complications such as retinopathy, nephropathy, and neuropathy. Based on the notion that inhibition of AR could prevent these complications a range of AR inhibitors have been developed and tested; however, their clinical efficacy has been found to be marginal at best. Moreover, recent work has shown that AR participates in the detoxification of aldehydes that are derived from lipid peroxidation and their glutathione conjugates. Although in some contexts this antioxidant function of AR helps protect against tissue injury and dysfunction, the metabolic transformation of the glutathione conjugates of lipid peroxidation-derived aldehydes could also lead to the generation of reactive metabolites that can stimulate mitogenic or inflammatory signaling events. Thus, inhibition of AR could have both salutary and injurious outcomes. Nevertheless, accumulating evidence suggests that inhibition of AR could modify the effects of cardiovascular disease, asthma, neuropathy, sepsis, and cancer; therefore, additional work is required to selectively target AR inhibitors to specific disease states. Despite past challenges, we opine that a more gainful consideration of therapeutic modulation of AR activity awaits clearer identification of the specific role(s) of the AR enzyme in health and disease.
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Affiliation(s)
- Mahavir Singh
- Eye and Vision Science Laboratory, Department of Physiology, School of Medicine, University of Louisville, Louisville, KY 40202, USA
| | - Aniruddh Kapoor
- Internal Medicine—Critical Care, School of Medicine, Saint Louis University, St. Louis, MO 63141, USA;
| | - Aruni Bhatnagar
- Christina Lee Brown Envirome Institute, School of Medicine, University of Louisville, Louisville, KY 40202, USA;
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Ma H, Liang H, Cai S, O'Keefe BR, Mooberry SL, Cichewicz RH. An Integrated Strategy for the Detection, Dereplication, and Identification of DNA-Binding Biomolecules from Complex Natural Product Mixtures. JOURNAL OF NATURAL PRODUCTS 2021; 84:750-761. [PMID: 33226219 PMCID: PMC9229839 DOI: 10.1021/acs.jnatprod.0c00946] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
A fundamental factor in natural product drug discovery programs is the necessity to identify the active component(s) from complex chemical mixtures. Whereas this has traditionally been accomplished using bioassay-guided fractionation, we questioned whether alternative techniques could supplement and, in some cases, even supplant this approach. We speculated that a combination of ligand-fishing methods and modern analytical tools (e.g., LC-MS and online natural product databases) offered a route to enhance natural product drug discovery. Herein, a candidate solution referred to as the lickety-split ligand-affinity-based molecular angling system (LLAMAS) is described. This approach utilizes an ultrafiltration-based LC-PDA-MS/MS-guided DNA-binding assay in combination with the (i) Global Natural Products Social Molecular Networking, (ii) Dictionary of Natural Products, and (iii) SciFinder platforms to identify DNA binders in complex chemical mixtures. LLAMAS was initially vetted in tests using known small-molecule DNA binders and then optimized to a 96-well plate-based format. A set of 332 plant samples used in traditional Chinese medicine was screened for DNA-binding activity with LLAMAS, resulting in the identification of seven DNA-binding molecules, including berberine (12), palmatine (13), coptisine (14), fangchinoline (15), tetrandrine (16), daurisoline (17), and dauricine (18). These results demonstrate that LLAMAS is an effective natural product discovery platform for the efficient identification and dereplication of DNA-binding molecules from complex mixtures.
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Affiliation(s)
- Hongyan Ma
- Department of Chemistry and Biochemistry, Stephenson Life Sciences Research Center, and Natural Products Discovery Group and Institute for Natural Products Applications and Research Technologies, University of Oklahoma, Norman, Oklahoma 73019, United States
| | - Huiyun Liang
- Department of Pharmacology, University of Texas Health Science Center, San Antonio, Texas 78229, United States
| | - Shengxin Cai
- Department of Chemistry and Biochemistry, Stephenson Life Sciences Research Center, and Natural Products Discovery Group and Institute for Natural Products Applications and Research Technologies, University of Oklahoma, Norman, Oklahoma 73019, United States
| | - Barry R O'Keefe
- Natural Products Branch, Developmental Therapeutics Program, Division of Cancer Treatment and Diagnosis, and Molecular Targets Program, Center for Cancer Research, National Cancer Institute, Frederick, Maryland 21702, United States
| | - Susan L Mooberry
- Department of Pharmacology, University of Texas Health Science Center, San Antonio, Texas 78229, United States
| | - Robert H Cichewicz
- Department of Chemistry and Biochemistry, Stephenson Life Sciences Research Center, and Natural Products Discovery Group and Institute for Natural Products Applications and Research Technologies, University of Oklahoma, Norman, Oklahoma 73019, United States
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10
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Tian-Huang Formula, a Traditional Chinese Medicinal Prescription, Improves Hepatosteatosis and Glucose Intolerance Targeting AKT-SREBP Nexus in Diet-Induced Obese Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:6617586. [PMID: 33763145 PMCID: PMC7955866 DOI: 10.1155/2021/6617586] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 01/21/2021] [Accepted: 02/05/2021] [Indexed: 02/06/2023]
Abstract
The progressive increase of metabolic diseases underscores the necessity for developing effective therapies. Although we found Tian-Huang formula (THF) could alleviate metabolic disorders, the underlying mechanism remains to be fully understood. In the present study, firstly, male Sprague-Dawley rats were fed with high-fat diet plus high-fructose drink (HFF, the diet is about 60% of calories from fat and the drink is 12.5% fructose solution) for 14 weeks to induce hepatosteatosis and glucose intolerance and then treated with THF (200 mg/kg) for 4 weeks. Then, metabolomics analysis was performed with rat liver samples and following the clues illustrated by Ingenuity Pathway Analysis (IPA) with the metabolomics discoveries, RT-qPCR and Western blotting were carried out to validate the putative pathways. Our results showed that THF treatment reduced the body weight from 735.1 ± 81.29 to 616.3 ± 52.81 g and plasma triglyceride from 1.5 ± 0.42 to 0.88 ± 0.33 mmol/L; meanwhile, histological examinations of hepatic tissue and epididymis adipose tissue showed obvious alleviation. Compared with the HFF group, the fasting serum insulin and blood glucose level of the THF group were improved from 20.77 ± 6.58 to 9.65 ± 5.48 mIU/L and from 8.96 ± 0.56 to 7.66 ± 1.25 mmol/L, respectively, so did the serum aspartate aminotransferase, insulin resistance index, and oral glucose tolerance (p = 0.0019, 0.0053, and 0.0066, respectively). Furthermore, based on a list of 32 key differential endogenous metabolites, the molecular networks generated by IPA suggested that THF alleviated glucose intolerance and hepatosteatosis by activating phosphatidylinositol-3 kinase (PI3K) and low-density lipoprotein receptor (LDL-R) involved pathways. RT-qPCR and Western blotting results confirmed that THF alleviated hepatic steatosis and glucose intolerance partly through protein kinase B- (AKT-) sterol regulatory element-binding protein (SREBP) nexus. Our findings shed light on molecular mechanisms of THF on alleviating metabolic diseases and provided further evidence for developing its therapeutic potential.
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11
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Qiu L, Guo C. Natural Aldose Reductase Inhibitor: A Potential Therapeutic Agent for Non-alcoholic Fatty Liver Disease. Curr Drug Targets 2021; 21:599-609. [PMID: 31589122 DOI: 10.2174/1389450120666191007111712] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 09/11/2019] [Accepted: 09/12/2019] [Indexed: 01/09/2023]
Abstract
Aldose reductase (AR) has been reported to be involved in the development of nonalcoholic fatty liver disease (NAFLD). Hepatic AR is induced under hyperglycemia condition and converts excess glucose to lipogenic fructose, which contributes in part to the accumulation of fat in the liver cells of diabetes rodents. In addition, the hyperglycemia-induced AR or nutrition-induced AR causes suppression of the transcriptional activity of peroxisome proliferator-activated receptor (PPAR) α and reduced lipolysis in the liver, which also contribute to the development of NAFLD. Moreover, AR induction in non-alcoholic steatohepatitis (NASH) may aggravate oxidative stress and the expression of inflammatory cytokines in the liver. Here, we summarize the knowledge on AR inhibitors of plant origin and review the effect of some plant-derived AR inhibitors on NAFLD/NASH in rodents. Natural AR inhibitors may improve NAFLD at least in part through attenuating oxidative stress and inflammatory cytokine expression. Some of the natural AR inhibitors have been reported to attenuate hepatic steatosis through the regulation of PPARα-mediated fatty acid oxidation. In this review, we propose that the natural AR inhibitors are potential therapeutic agents for NAFLD.
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Affiliation(s)
- Longxin Qiu
- School of Life Sciences, Longyan University, Longyan 364012, China.,Fujian Province Universities Key Laboratory of Preventive Veterinary Medicine and Biotechnology (Longyan University), Longyan 364012, China.,Fujian Provincial Key Laboratory for the Prevention and Control of Animal Infectious Diseases and Biotechnology, Longyan 364012, China
| | - Chang Guo
- School of Life Sciences, Longyan University, Longyan 364012, China.,Fujian Province Universities Key Laboratory of Preventive Veterinary Medicine and Biotechnology (Longyan University), Longyan 364012, China.,Fujian Provincial Key Laboratory for the Prevention and Control of Animal Infectious Diseases and Biotechnology, Longyan 364012, China
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Muhammad I, Rahman N, Gul-E-Nayab, Nishan U, Shah M. Antidiabetic activities of alkaloids isolated from medicinal plants. BRAZ J PHARM SCI 2021. [DOI: 10.1590/s2175-97902020000419130] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Affiliation(s)
| | | | | | - Umar Nishan
- Kohat University of Science and Technology, Pakistan
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13
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Tian X, Xu Z, Hu P, Yu Y, Li Z, Ma Y, Chen M, Sun Z, Liu F, Li J, Huang C. Determination of the antidiabetic chemical basis of Phellodendri Chinensis Cortex by integrating hepatic disposition in vivo and hepatic gluconeogenese inhibition in vitro. JOURNAL OF ETHNOPHARMACOLOGY 2020; 263:113215. [PMID: 32768636 DOI: 10.1016/j.jep.2020.113215] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Revised: 07/07/2020] [Accepted: 07/23/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Phellodendri Chinensis Cortex (PCC) has been an herb clinically used to treat diabetes, but the chemical basis of its antidiabetic effects has remained unclear. AIM OF THIS STUDY Based on the efficacy of herbal medicine resulting from the cooperative response of the effective compounds in the target organs with sufficient exposure, the in vivo hepatic disposition and in vitro hepatic gluconeogenesis inhibition were integrated to elucidate the chemical basis for the antidiabetic effect of orally administered PCC from a target organ, liver, perspective. MATERIALS AND METHODS With a developed and validated HPLC-MS/MS method, three alkaloids and five metabolites were determined in the portal vein plasma, liver, and systemic plasma of rats orally administered PCC. The inhibition of hepatic gluconeogenesis by the eight compounds was evaluated in primary hepatocytes. RESULTS The in vivo results showed that magnoflorine was present at the highest concentration among the target constituents in the plasma, where berberine showed a low concentration. In contrast, berberine showed the highest concentration in the liver, and its five metabolites exhibited substantial hepatic accumulation. This discrepancy was strongly associated with the hepatic disposition of the compounds. The hepatic disposition prevented the transfer of 96.1% of the phellodendrine, 71.1% of the berberine and 47.5% of the magnoflorine from the portal vein plasma to the systemic plasma, which corresponded to their hepatic distribution and hepatic metabolism. In vitro, berberine, M1, M4 and M5 significantly and dose-dependently inhibited hepatic glucose production. By integrating the hepatic exposure and inhibitory activity data, we estimated that berberine contributed the most (74%) to the total glucose production inhibition of the orally administered PCC decoction, followed by M4 (14%), M1 (11%) and M5 (1%). CONCLUSION This study was the first to comprehensively describe the pharmacokinetic profiles and hepatic disposition of alkaloids in PCC, and concluded that berberine and its metabolites contributed the most to the total hepatic gluconeogenesis inhibition by orally administered PCC. These results reveal the chemical basis for the antidiabetic effect of orally administered PCC decoction, providing scientific evidence to support the clinical usage of PCC in diabetes treatment.
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Affiliation(s)
- Xiaoting Tian
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhou Xu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Pei Hu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yanyan Yu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhixiong Li
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yuanjie Ma
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Mingcang Chen
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhaolin Sun
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Fang Liu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jingya Li
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
| | - Chenggang Huang
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China; University of Chinese Academy of Sciences, Beijing, 100049, China.
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Liu L, Li J, He Y. Multifunctional epiberberine mediates multi-therapeutic effects. Fitoterapia 2020; 147:104771. [DOI: 10.1016/j.fitote.2020.104771] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/25/2020] [Accepted: 10/29/2020] [Indexed: 12/13/2022]
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Yoshida H, Takeda H, Wakana D, Sato F, Hosoe T. Identification of a multi-component berberine 11-hydroxylase from Burkholderia sp. strain CJ1. Biosci Biotechnol Biochem 2020; 84:1274-1284. [DOI: 10.1080/09168451.2020.1722056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
ABSTRACT
Berberine (BBR) is a protoberberine alkaloid extracted from plants such as Coptis japonica (Ranunculaceae). In a previous report, we demonstrated the existence of a 11-hydroxylation pathway employed by BBR-utilizing bacteria for metabolism of BBR. In the present study, we report the identification of the genes brhA, brhB, and brhC as encoding a multicomponent BBR 11-hydroxylase in Burkholderia sp. strain CJ1. BrhA is belonging to the Rieske non-heme iron oxygenase (RO) family, a class of enzymes known to catalyze the first step in bacterial aromatic-ring hydroxylation. We further demonstrate that BrhA activity requires BrhB (ferredoxin reductase) and BrhC (ferredoxin) as electron transport chain components. A BLAST search revealed that BrhA exhibits 38% and 33% sequence identity to dicamba O-demethylase (DdmC; AY786443) and chloroacetanilide herbicides N-dealkylase (CndA; KJ461679), respectively. To our knowledge, this work represents the first report of a bacterial oxygenase catalyzing the metabolism of a polycyclic aromatic-ring alkaloid.
Abbreviations: BBR: berberine; D-BBR: demethyleneberberine; H-BBR: 11-hydroxyberberine; HD-BBR: 11-hydroxydemethyleneberberine; HDBA: 2-hydroxy-3,4-dimethoxybenzeneacetic acid; PAL: palmatine; H-PAL: 11-hydroxypalmatine; BRU: berberrubine; Fd: ferredoxin; FdR: ferredoxin reductase; ETC: electron transport chain
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Affiliation(s)
- Hinaka Yoshida
- Department of Organic chemistry, Hoshi University, Tokyo, Japan
| | - Hisashi Takeda
- Department of Organic chemistry, Hoshi University, Tokyo, Japan
| | - Daigo Wakana
- Department of Organic chemistry, Hoshi University, Tokyo, Japan
| | - Fumihiko Sato
- Division of Integrated Life Science, Graduate School of Biostudies, Kyoto University, Kyoto, Japan
| | - Tomoo Hosoe
- Department of Organic chemistry, Hoshi University, Tokyo, Japan
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Li J, Zhang HJ, Deng AJ, Li ZH, Xing YL, Wu LQ, Qin HL. Syntheses and Structure-Activity Relationships in Antibacterial Activity against Clostridium difficile and XBP1 Activation Property of 13-[(N-Alkylamino)methyl]-8-oxodihydrocoptisines. Chem Biodivers 2020; 17:e2000265. [PMID: 32364669 DOI: 10.1002/cbdv.202000265] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 05/04/2020] [Indexed: 11/10/2022]
Abstract
13-[(N-Alkylamino)methyl]-8-oxodihydrocoptisines were synthesized to evaluate antibacterial activity against Clostridium difficile and activating x-box-binding protein 1 (XBP1) activity, biological properties both associated with ulcerative colitis. Improving structural stability and ameliorating biological activity were major concerns. Different substituents on the structural modification site were involved to explore the influence of diverse structures on the bioactivities. The target compounds exhibited the desired activities with definite structure-activity relationship. In the series of 13-[(N-n-alkylamino)methyl]-8-oxodihydrocoptisines, the length of n-alkyl groups has a definite effect on the bioactivity, elongation of the length increasing the antibacterial activity. The synthesized compounds were determined to display strong or weak XBP1-activating activity in vitro. The preliminary results of this study warrant further medicinal chemistry studies on these synthesized compounds.
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Affiliation(s)
- Jing Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, P. R. China
| | - Hai-Jing Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, P. R. China
| | - An-Jun Deng
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, P. R. China
| | - Zhi-Hong Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, P. R. China
| | - Ya-Ling Xing
- Beijing Institute of Radiation Medicine, Beijing, 100850, P. R. China
| | - Lian-Qiu Wu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, P. R. China
| | - Hai-Lin Qin
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, P. R. China
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Rasouli H, Yarani R, Pociot F, Popović-Djordjević J. Anti-diabetic potential of plant alkaloids: Revisiting current findings and future perspectives. Pharmacol Res 2020; 155:104723. [PMID: 32105756 DOI: 10.1016/j.phrs.2020.104723] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 01/07/2020] [Accepted: 02/23/2020] [Indexed: 02/07/2023]
Abstract
Diabetes mellitus (DM) is a chronic metabolic disease which causes millions of death all over the world each year, and its incidence is on increase. The most prevalent form, type 2 DM, is characterized by insulin resistance and β-cell dysfunction, whereas type 1 DM is due to insulin deficiency as a result of β-cell destruction. Various classes of synthetic drugs have been developed to regulate glucose homeostasis and combat the development of late-diabetic complications. However, several of these chemical agents are either sub-optimal in their effect and/or may have side effects. Biologically, alkaloids unveiled a wide range of therapeutic effects including anti-diabetic properties. The chemical backbones of these compounds have the potential to interact with a wide range of proteins involved in glucose homeostasis, and thus they have received increasing attention as reliable candidates for drug development. This review sets out to investigate the anti-diabetic potential of plant alkaloids (PAs), and therefore, scientific databases were comprehensively screened to highlight the biological activity of 78 PAs with a considerable anti-diabetic profile. There are not enough clinical data available for these phytochemicals to follow their fingerprint in human, but current studies generally recommending PAs as potent α-glucosidase inhibitors. Except for some classes of monoterpene alkaloids, other compounds showed similar features as well as the presently available anti-diabetic drugs such as amino sugars and other relevant drugs. Moreover, the evidence suggests that PAs have the potential to be used as alternative additives for the treatment of DM, however, further in vitro and in vivo studies are needed to validate these findings.
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Affiliation(s)
- Hassan Rasouli
- Medical Biology Research Center (MBRC), Kermanshah University of Medical Science, Kermanshah, Iran; Department of Agricultural Biotechnology, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran
| | - Reza Yarani
- T1D Biology, Department of Clinical Research, Steno Diabetes Center Copenhagen, Denmark
| | - Flemming Pociot
- T1D Biology, Department of Clinical Research, Steno Diabetes Center Copenhagen, Denmark; Copenhagen Diabetes Research Center, Department of Pediatrics, Herlev University Hospital, Herlev Denmark; Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
| | - Jelena Popović-Djordjević
- University of Belgrade, Faculty of Agriculture, Department of Food Technology and Biochemistry, 11080 Belgrade, Serbia
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18
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Xu T, Kuang T, Du H, Li Q, Feng T, Zhang Y, Fan G. Magnoflorine: A review of its pharmacology, pharmacokinetics and toxicity. Pharmacol Res 2020; 152:104632. [DOI: 10.1016/j.phrs.2020.104632] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Revised: 12/07/2019] [Accepted: 01/02/2020] [Indexed: 11/25/2022]
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19
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Wu S, Yu D, Liu W, Zhang J, Liu X, Wang J, Yu M, Li Z, Chen Q, Li X, Ye X. Magnoflorine from Coptis chinese has the potential to treat DNCB-induced Atopic dermatits by inhibiting apoptosis of keratinocyte. Bioorg Med Chem 2020; 28:115093. [DOI: 10.1016/j.bmc.2019.115093] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 08/09/2019] [Accepted: 09/06/2019] [Indexed: 10/26/2022]
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20
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AChE inhibitory alkaloids from Coptis chinensis. Fitoterapia 2019; 141:104464. [PMID: 31870946 DOI: 10.1016/j.fitote.2019.104464] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Revised: 12/19/2019] [Accepted: 12/19/2019] [Indexed: 11/21/2022]
Abstract
Coptis chinensis is a widely used traditional Chinese herbal medicine. In this work, 6 new alkaloids (coptisine A-F, 1-6) and 26 known alkaloids (7-32) were isolated from the chloroform extract of the rhizomes of C. chinensis. Compounds 1-3 are α-carbonylated benzylisoquinolines, and 4-6 are berberidic acid type alkaloids. Their structures were elucidated on the basis of extensive NMR and MS analyses. Seven compounds (7, 20, 22, 23, 25, 26, 29) exhibited significant AChE inhibitory activities at 10 μM (inhibition rates >80%).
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21
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Wu J, Luo Y, Deng D, Su S, Li S, Xiang L, Hu Y, Wang P, Meng X. Coptisine from Coptis chinensis exerts diverse beneficial properties: A concise review. J Cell Mol Med 2019; 23:7946-7960. [PMID: 31622015 PMCID: PMC6850926 DOI: 10.1111/jcmm.14725] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 08/15/2019] [Accepted: 09/15/2019] [Indexed: 12/31/2022] Open
Abstract
Coptisine is a natural small-molecular compound extracted from Coptis chinensis (CC) with a history of using for thousands of years. This work aimed at summarizing coptisine's activity and providing advice for its clinical use. We analysed the online papers in the database of SciFinder, Web of Science, PubMed, Google scholar and CNKI by setting keywords as 'coptisine' in combination of 'each pivotal pathway target'. Based on the existing literatures, we find (a) coptisine exerted potential to be an anti-cancer, anti-inflammatory, CAD ameliorating or anti-bacterial drug through regulating the signalling transduction of pathways such as NF-κB, MAPK, PI3K/Akt, NLRP3 inflammasome, RANKL/RANK and Beclin 1/Sirt1. However, we also (b) observe that the plasma concentration of coptisine demonstrates obvious non-liner relationship with dosage, and even the highest dosage used in animal study actually cannot reach the minimum concentration level used in cell experiments owing to the poor absorption and low availability of coptisine. We conclude (a) further investigations can focus on coptisine's effect on caspase-1-involved inflammasome assembling and pyroptosis activation, as well as autophagy. (b) Under circumstance of promoting coptisine availability by pursuing nano- or microrods strategies or applying salt-forming process to coptisine, can it be introduced to clinical trial.
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Affiliation(s)
- Jiasi Wu
- College of PharmacyChengdu University of Traditional Chinese MedicineChengduChina
| | - Yu Luo
- College of PharmacyChengdu University of Traditional Chinese MedicineChengduChina
| | - Donghang Deng
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan ProvinceSichuan Agricultural UniversityChengduChina
| | - Siyu Su
- College of PharmacyChengdu University of Traditional Chinese MedicineChengduChina
| | - Sheng Li
- Key Laboratory of Natural Medicine and Clinical TranslationChengdu Institute of BiologyChinese Academy of SciencesChengduChina
| | - Li Xiang
- College of PharmacyChengdu University of Traditional Chinese MedicineChengduChina
| | - Yingfan Hu
- College of PharmacyChengdu University of Traditional Chinese MedicineChengduChina
| | - Ping Wang
- College of PharmacyChengdu University of Traditional Chinese MedicineChengduChina
| | - Xianli Meng
- College of PharmacyChengdu University of Traditional Chinese MedicineChengduChina
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22
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Li P, Liu SS, Liu Q, Shen J, He CN, Xiao PG. A phytochemical study on Dichocarpum auriculatum, an endangered medicinal plant peculiar to China. CHINESE HERBAL MEDICINES 2019. [DOI: 10.1016/j.chmed.2019.05.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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23
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Molecular Docking of Isolated Alkaloids for Possible α-Glucosidase Inhibition. Biomolecules 2019; 9:biom9100544. [PMID: 31569830 PMCID: PMC6843650 DOI: 10.3390/biom9100544] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Revised: 09/14/2019] [Accepted: 09/16/2019] [Indexed: 12/12/2022] Open
Abstract
Diabetes mellitus, one of the most common endocrine-metabolic disorders, has caused significant morbidity and mortality worldwide. To avoid sugar digestion and postprandial hyperglycemia, it is necessary to inhibit α-glucosidase, a digestive enzyme with an important role in carbohydrate digestion. The criteria for the selection of alkaloids are based on their in vitro and in vivo activities on glucose modulation. The current study assessed the bonding potential of isolated alkaloids with the targeted protein. For this purpose, the 3D structure of the target protein (α-glucosidase) was reproduced using MODELLER 9.20. The modeled 3D structure was then validated and confirmed by using the RAMPAGE, ERRAT, and Verify3D online servers. The molecular docking of 32 alkaloids reported as α-glucosidase inhibitors, along with reference compounds (acarbose and miglitol), was done through MOE-Dock applied in MOE software to predict the binding modes of these drug-like compounds. The results revealed that nummularine-R and vindoline possess striking interactions with active site residues of the target protein, and were analogous to reference ligands. In conclusion, the current study provided a computational background to the α-glucosidase inhibitors tested. This novel information should facilitate the development of new and effective therapeutic compounds for the treatment of diabetes mellitus.
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24
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Coptisine from Coptis chinensis blocks NLRP3 inflammasome activation by inhibiting caspase-1. Pharmacol Res 2019; 147:104348. [DOI: 10.1016/j.phrs.2019.104348] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 06/26/2019] [Accepted: 07/10/2019] [Indexed: 12/20/2022]
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25
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Zhai J, Li Z, Zhang H, Ma L, Ma Z, Zhang Y, Zou J, Li M, Ma L, Li X. Coptisine ameliorates renal injury in diabetic rats through the activation of Nrf2 signaling pathway. Naunyn Schmiedebergs Arch Pharmacol 2019; 393:57-65. [PMID: 31420722 DOI: 10.1007/s00210-019-01710-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 08/06/2019] [Indexed: 11/29/2022]
Abstract
The present study has been designed and carried out to evaluate the potential of coptisine on diabetic nephropathy. Diabetes was induced in SD rats through one single intraperitoneal injection of streptozotocin (65 mg/kg) method, and then diabetic rats were orally administered with 25 mg/kg/day coptisine or 50 mg/kg/day coptisine for 8 weeks. Severe impairment of renal function in rats with diabetes was observed as indicated by increased urine protein excretion, kidney hypertrophy index, serum creatinine level, and blood urea nitrogen level. Oxidative stress damage was observed as indicated by increased levels of reactive oxygen species, malondialdehyde, and decreased levels of glutathione, superoxide dismutase, and catalase. However, these alterations in kidneys of rats with diabetes were alleviated by administration of coptisine. Furthermore, the expression levels of nuclear factor-erythroid 2-related factor 2 (Nrf2) and its targeted antioxidative genes heme oxygenase 1 and NADPH quinone oxidoreductase 1 in the diabetic kidneys were significantly increased after coptisine treatment. These results suggested that coptisine ameliorated oxidative renal injury in diabetic rats, and the possible mechanisms for the renoprotective effects of coptisine may be related to activation of the Nrf2 signaling pathway.
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Affiliation(s)
- Jiajia Zhai
- Department of Endocrinology, Xijing Hospital, Air Force Medical University, 15 West Changle Road, Xi'an, Shaanxi, 710032, People's Republic of China.,Department of Geratology, Xi'an Ninth Hospital, Xi'an, Shaanxi, 710054, People's Republic of China
| | - Zeping Li
- Department of Clinical Medicine, School of Queen Mary, Nanchang University, Nanchang, Jiangxi, 330031, People's Republic of China
| | - Huifeng Zhang
- Department of Neurology, Xi'an Electric Power Central Hospital, Xi'an, Shaanxi, 710032, People's Republic of China
| | - Louyan Ma
- Department of Geratology, Xi'an Ninth Hospital, Xi'an, Shaanxi, 710054, People's Republic of China
| | - Zhengquan Ma
- Department of Geratology, Xi'an Ninth Hospital, Xi'an, Shaanxi, 710054, People's Republic of China
| | - Yi Zhang
- Department of Endocrinology, Xi'an Ninth Hospital, Xi'an, Shaanxi, 710054, People's Republic of China
| | - Jian Zou
- Department of Internal Medicine, 522nd Hospital of Chinese PLA, Luoyang, Henan, 471003, People's Republic of China
| | - Mo Li
- Department of Geratology, Xi'an Ninth Hospital, Xi'an, Shaanxi, 710054, People's Republic of China
| | - Li Ma
- Department of Geratology, Xi'an Ninth Hospital, Xi'an, Shaanxi, 710054, People's Republic of China
| | - Xiaomiao Li
- Department of Endocrinology, Xijing Hospital, Air Force Medical University, 15 West Changle Road, Xi'an, Shaanxi, 710032, People's Republic of China.
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Ran Q, Wang J, Wang L, Zeng HR, Yang XB, Huang QW. Rhizoma coptidis as a Potential Treatment Agent for Type 2 Diabetes Mellitus and the Underlying Mechanisms: A Review. Front Pharmacol 2019; 10:805. [PMID: 31396083 PMCID: PMC6661542 DOI: 10.3389/fphar.2019.00805] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Accepted: 06/21/2019] [Indexed: 02/06/2023] Open
Abstract
Diabetes mellitus, especially type 2 diabetes mellitus (T2DM), has become a significant public health burden. Rhizoma coptidis (RC), known as Huang Lian, is widely used for treating diabetes in China. The bioactive compounds of RC, especially alkaloids, have the potential to suppress T2DM-induced lesions, including diabetic vascular dysfunction, diabetic heart disease, diabetic hyperlipidemia, diabetic nephropathy, diabetic encephalopathy, diabetic osteopathy, diabetic enteropathy, and diabetic retinopathy. This review summarizes the effects of RC and its bioactive compounds on T2DM and T2DM complications. Less research has been conducted on non-alkaloid fractions of RC, which may exert synergistic action with alkaloids. Moreover, we summarized the pharmacokinetic properties and structure-activity relationships of RC on T2DM with reference to extant literature and showed clearly that RC has potential therapeutic effect on T2DM.
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Affiliation(s)
- Qian Ran
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jin Wang
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Lin Wang
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hai-rong Zeng
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiang-bo Yang
- Ya’an Xun Kang Pharmaceutical Co., Ltd, Ya’an, China
| | - Qin-wan Huang
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Effects of Huanglian-Renshen-Decoction, a Fixed Mixture of Traditional Chinese Medicine, on the Improvement of Glucose Metabolism by Maintenance of Pancreatic β Cell Identity in db/db Mice. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 2019:1232913. [PMID: 31015847 PMCID: PMC6444265 DOI: 10.1155/2019/1232913] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 01/10/2019] [Accepted: 01/27/2019] [Indexed: 02/07/2023]
Abstract
Huanglian-Renshen-Decoction (HRD) is widely used to treat type 2 diabetes mellitus (T2DM) in China. However, the underlying mechanism is unclear. We aimed to investigate the mechanism by which HRD regulates the glucose level. Forty 7-8-week-old db/db (BSK) mice were randomly assigned to the following four groups: model, low dose HRD (LHRD), high dose HRD (HHRD), and saxagliptin (SAX). Additionally, 10 db/m mice were assigned to control group. The experimental mice were administered 3.03g/kg/d and 6.06g/kg/d of HRD in the LHRD and HHRD groups, respectively, and 10mg/kg/d saxagliptin in the SAX group for 8 weeks. The control and model groups were supplied with distilled water. After the intervention, the pancreas and blood were collected and tested. Compared with that of model group, the fasting blood glucose (FBG) was significantly decreased in all intervention groups (p < 0.05 or 0.01), whereas fasting serum insulin (FINS) was increased significantly in both HHRD and SAX groups. The immunofluorescence images showed that the mass of insulin+ cells was increased and that of glucagon+ cells was reduced obviously in experimental groups compared to those of the model group. In addition, the coexpression of insulin, glucagon, and PDX1 was decreased in HHRD group, and the level of caspase 12 in islet was decreased significantly in all intervention groups. However, little difference was found in the number and morphology of islet, and the expression of ki67, bcl2, bax, caspase 3, and cleaved-caspase 3 in the pancreas among groups. Interestingly, the cleaved-Notch1 level was increased and the Ngn3 level in islet was decreased significantly in HHRD group. The HRD showed dose-dependent effects on glucose metabolism improvement through maintenance of β cell identity via a mechanism that might involve the Notch1/Ngn3 signal pathway in db/db mice.
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Pei J, Fu B, Jiang L, Sun T. Biosynthesis, characterization, and anticancer effect of plant-mediated silver nanoparticles using Coptis chinensis. Int J Nanomedicine 2019; 14:1969-1978. [PMID: 30936697 PMCID: PMC6421896 DOI: 10.2147/ijn.s188235] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Background Tremendous growth in nanotechnology has opened up new frontiers in fundamental and applied aspects, including the synthesis of nanoscale matter and understanding/utilizing its exotic physicochemical and optoelectronic properties. Green-synthesis methods employing either biological microorganisms or plant extracts have emerged as a simple and alternative to chemical synthesis. Methods In our present study, we aimed to synthesize silver nanoparticles (AgNPs) in combination with an aqueous extract of Coptis chinensis (CC) using a suitable ecofriendly green-synthesis way. Results In our results, ultraviolet-visible spectroscopy revealed a near-absorbance peak at 450 nm, which confirmed the AgNP synthesis. The crystalline nature of the AgNPs was revealed with X-ray diffraction. Transmission electron-microscopy analysis showed spherically dispersed nanoparticles of 6–45 nm diameter. We analyzed the elementary mechanism across A549 lung carcinoma cells ahead of treatment with doses of CC-AgNPs (10 µg/mL and 25 µg/mL). The antiproliferative effect of CC-AgNPs revealed a significant decline in cell viability. Antibacterial assays with both Gram-negative (Escherichia coli) and Gram-positive (Staphylococcus aureus) bacteria exhibited a higher zone of inhibition against S. aureus. Conclusion Furthermore, CC-AgNPs regulated apoptosis using the intrinsic pathway to inhibit A549-cell proliferation. Proliferation migration and invasion were notably inhibited by CC-AgNPs, which promoted apoptosis in lung adenocarcinoma cells by regulating the apoptotic pathway.
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Affiliation(s)
- Junwen Pei
- Department of Integrated Traditional Chinese and Western Medicine, The Henan Cancer Hospital, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan 450008, China,
| | - Binfan Fu
- Department of Integrated Traditional Chinese and Western Medicine, The Henan Cancer Hospital, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan 450008, China,
| | - Lifeng Jiang
- Department of Integrated Traditional Chinese and Western Medicine, The Henan Cancer Hospital, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan 450008, China,
| | - Taizhen Sun
- Department of Integrated Traditional Chinese and Western Medicine, The Henan Cancer Hospital, Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, Henan 450008, China,
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Kang JA, Rho JK, Park SH. Evaluation of inhibitory effect of coptisine on protein kinase C activity using a RI detection-assisted biochip. J Radioanal Nucl Chem 2019. [DOI: 10.1007/s10967-018-06410-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Lima JA, Hamerski L. Alkaloids as Potential Multi-Target Drugs to Treat Alzheimer's Disease. STUDIES IN NATURAL PRODUCTS CHEMISTRY 2019. [DOI: 10.1016/b978-0-444-64183-0.00008-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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Ishikawa K, Takahashi K, Hosoi S, Takeda H, Yoshida H, Wakana D, Tsubuki M, Sato F, Tojo M, Hosoe T. Antimicrobial agent isolated from Coptidis rhizome extract incubated with Rhodococcus sp. strain BD7100. J Antibiot (Tokyo) 2018; 72:71-78. [DOI: 10.1038/s41429-018-0114-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 10/01/2018] [Accepted: 10/07/2018] [Indexed: 11/09/2022]
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Cataract Preventive Role of Isolated Phytoconstituents: Findings from a Decade of Research. Nutrients 2018; 10:nu10111580. [PMID: 30373159 PMCID: PMC6265913 DOI: 10.3390/nu10111580] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 10/10/2018] [Accepted: 10/15/2018] [Indexed: 12/19/2022] Open
Abstract
Cataract is an eye disease with clouding of the eye lens leading to disrupted vision, which often develops slowly and causes blurriness of the eyesight. Although the restoration of the vision in people with cataract is conducted through surgery, the costs and risks remain an issue. Botanical drugs have been evaluated for their potential efficacies in reducing cataract formation decades ago and major active phytoconstituents were isolated from the plant extracts. The aim of this review is to find effective phytoconstituents in cataract treatments in vitro, ex vivo, and in vivo. A literature search was synthesized from the databases of Pubmed, Science Direct, Google Scholar, Web of Science, and Scopus using different combinations of keywords. Selection of all manuscripts were based on inclusion and exclusion criteria together with analysis of publication year, plant species, isolated phytoconstituents, and evaluated cataract activities. Scientists have focused their attention not only for anti-cataract activity in vitro, but also in ex vivo and in vivo from the review of active phytoconstituents in medicinal plants. In our present review, we identified 58 active phytoconstituents with strong anti-cataract effects at in vitro and ex vivo with lack of in vivo studies. Considering the benefits of anti-cataract activities require critical evaluation, more in vivo and clinical trials need to be conducted to increase our understanding on the possible mechanisms of action and the therapeutic effects.
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Yan Y, Du C, Li Z, Zhang M, Li J, Jia J, Li A, Qin X, Song Q. Comparing the antidiabetic effects and chemical profiles of raw and fermented Chinese Ge-Gen-Qin-Lian decoction by integrating untargeted metabolomics and targeted analysis. Chin Med 2018; 13:54. [PMID: 30386417 PMCID: PMC6204051 DOI: 10.1186/s13020-018-0208-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Accepted: 09/24/2018] [Indexed: 12/23/2022] Open
Abstract
Background Microbial fermentation has been widely applied in traditional Chinese medicine (TCM) for thousands of years in China. Various beneficial effects of fermentation for applications in TCM or herbals have been reported, such as enhanced anti-ovarian cancer, antioxidative activity, and neuroprotective effects. Ge-Gen-Qin-Lian decoction (GQD), a classic TCM formula, has been used to treat type 2 diabetes mellitus in China. In this study, GQD was fermented with Saccharomyces cerevisiae, and the antidiabetic activities and overall chemical profiles of raw and fermented GQD (FGQD) were systematically compared. Methods First, the antidiabetic effects of GQD and FGQD on high-fat diet and streptozotocin (STZ)-induced diabetic rats were compared. Then, high-performance liquid chromatography Q Exactive MS was applied for rapid characterization of the chemical components of GQD. Additionally, we proposed an integrated chromatographic technique based untargeted metabolomics identifying differential chemical markers between GQD and FGQD and targeted analysis determining the fermenting-induced quantitative variation tendencies of chemical marker strategy for overall chemical profiling of raw and fermented GQD. Results Both GQD and FGQD displayed effects against HFD and STZ-induced diabetes, and FGQD showed a better recovery trend associated with profound changes in the serum lipoprotein profile and body weight gain. In addition, 133 compounds were characterized from GQD. It was demonstrated that the integrated strategy holistically illuminated 30 chemical markers contributed to the separation of GQD and FGQD, and further elucidated the fermenting-induced chemical transformation mechanisms and inherent chemical connections of secondary metabolites. Although there were no new secondary metabolites in FGQD compared with GQD, the amounts of secondary metabolites, which were mostly deglycosylated, were redistributed in FGQD. Conclusion The anti-diabetic activities of GQD could be improved by applying fermentation technology. Moreover, the proposed strategy could serve as a powerful tool for systematically exploring the chemical profiles of raw and fermented formulas. Electronic supplementary material The online version of this article (10.1186/s13020-018-0208-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Yan Yan
- 1Modern Research Center for Traditional Chinese Medicine of Shanxi University, No. 92, Wucheng Road, Taiyuan, 030006 Shanxi China
| | - Chenhui Du
- 2School of Traditional Chinese Materia Medica, Shanxi University of Chinese Medicine, No. 121, Daxue Street, Taiyuan, 030619 Shanxi China
| | - Zhenyu Li
- 1Modern Research Center for Traditional Chinese Medicine of Shanxi University, No. 92, Wucheng Road, Taiyuan, 030006 Shanxi China
| | - Min Zhang
- 1Modern Research Center for Traditional Chinese Medicine of Shanxi University, No. 92, Wucheng Road, Taiyuan, 030006 Shanxi China.,3College of Chemistry and Chemical Engineering of Shanxi University, No. 92, Wucheng Road, Taiyuan, 030006 Shanxi China
| | - Jin Li
- 2School of Traditional Chinese Materia Medica, Shanxi University of Chinese Medicine, No. 121, Daxue Street, Taiyuan, 030619 Shanxi China
| | - Jinping Jia
- 1Modern Research Center for Traditional Chinese Medicine of Shanxi University, No. 92, Wucheng Road, Taiyuan, 030006 Shanxi China
| | - Aiping Li
- 1Modern Research Center for Traditional Chinese Medicine of Shanxi University, No. 92, Wucheng Road, Taiyuan, 030006 Shanxi China
| | - Xuemei Qin
- 1Modern Research Center for Traditional Chinese Medicine of Shanxi University, No. 92, Wucheng Road, Taiyuan, 030006 Shanxi China
| | - Qiang Song
- 2School of Traditional Chinese Materia Medica, Shanxi University of Chinese Medicine, No. 121, Daxue Street, Taiyuan, 030619 Shanxi China
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Li C, Huang P, Wong K, Xu Y, Tan L, Chen H, Lu Q, Luo C, Tam C, Zhu L, Su Z, Xie J. Coptisine-induced inhibition of Helicobacter pylori: elucidation of specific mechanisms by probing urease active site and its maturation process. J Enzyme Inhib Med Chem 2018; 33:1362-1375. [PMID: 30191728 PMCID: PMC6136390 DOI: 10.1080/14756366.2018.1501044] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
In this study, we examined the anti-Helicobactor pylori effects of the main protoberberine-type alkaloids in Rhizoma Coptidis. Coptisine exerted varying antibacterial and bactericidal effects against three standard H. pylori strains and eleven clinical isolates, including four drug-resistant strains, with minimum inhibitory concentrations ranging from 25 to 50 μg/mL and minimal bactericidal concentrations ranging from 37.5 to 125 μg/mL. Coptisine’s anti-H. pylori effects derived from specific inhibition of urease in vivo. In vitro, coptisine inactivated urease in a concentration-dependent manner through slow-binding inhibition and involved binding to the urease active site sulfhydryl group. Coptisine inhibition of H. pylori urease (HPU) was mixed type, while inhibition of jack bean urease was non-competitive. Importantly, coptisine also inhibited HPU by binding to its nickel metallocentre. Besides, coptisine interfered with urease maturation by inhibiting activity of prototypical urease accessory protein UreG and formation of UreG dimers and by promoting dissociation of nickel from UreG dimers. These findings demonstrate that coptisine inhibits urease activity by targeting its active site and inhibiting its maturation, thereby effectively inhibiting H. pylori. Coptisine may thus be an effective anti-H. pylori agent.
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Affiliation(s)
- Cailan Li
- a Guangdong Provincial Key Laboratory of New Drug Development and Research of Chinese Medicine, Mathematical Engineering Academy of Chinese Medicine , Guangzhou University of Chinese Medicine , Guangzhou , P. R. China
| | - Ping Huang
- b School of Pharmaceutical Sciences , Guangzhou University of Chinese Medicine , Guangzhou , P. R. China
| | - Kambo Wong
- c School of Life Sciences , Center for Protein Science and Crystallography, The Chinese University of Hong Kong , P. R. China
| | - Yifei Xu
- b School of Pharmaceutical Sciences , Guangzhou University of Chinese Medicine , Guangzhou , P. R. China
| | - Lihua Tan
- a Guangdong Provincial Key Laboratory of New Drug Development and Research of Chinese Medicine, Mathematical Engineering Academy of Chinese Medicine , Guangzhou University of Chinese Medicine , Guangzhou , P. R. China
| | - Hanbin Chen
- d The First Affiliated Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine , Guangzhou , P. R. China
| | - Qiang Lu
- e Key Laboratory of Chinese Medicinal Resource from Lingnan, Ministry of Education and Research Center of Chinese Herbal Resource Science and Engineering , Guangzhou University of Chinese Medicine , Guangzhou , P. R. China
| | - Chaodan Luo
- a Guangdong Provincial Key Laboratory of New Drug Development and Research of Chinese Medicine, Mathematical Engineering Academy of Chinese Medicine , Guangzhou University of Chinese Medicine , Guangzhou , P. R. China
| | - Chunlai Tam
- c School of Life Sciences , Center for Protein Science and Crystallography, The Chinese University of Hong Kong , P. R. China
| | - Lixiang Zhu
- b School of Pharmaceutical Sciences , Guangzhou University of Chinese Medicine , Guangzhou , P. R. China
| | - Ziren Su
- a Guangdong Provincial Key Laboratory of New Drug Development and Research of Chinese Medicine, Mathematical Engineering Academy of Chinese Medicine , Guangzhou University of Chinese Medicine , Guangzhou , P. R. China
| | - Jianhui Xie
- f Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome , The Second Affiliated Hospital, Guangzhou University of Chinese Medicine , Guangzhou , P. R. China
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Comparative Proteomic Analysis of Two Differently Extracted Coptis chinensis in the Treatment of Type 2 Diabetic Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:3248521. [PMID: 30302116 PMCID: PMC6158947 DOI: 10.1155/2018/3248521] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 08/08/2018] [Accepted: 08/16/2018] [Indexed: 12/29/2022]
Abstract
Coptis chinensis (CC) is widely used to treat diabetes in traditional Chinese medicine due to its significant hypoglycemic and hypolipidemic effects. It was reported that CC powders are more effective than CC decoctions. In this study, a rat model of type 2 diabetes was established and treated with supercritical-extracted CC and gastric juice extracted CC, respectively. Body weight, fasting plasma insulin, insulin resistance index, and lipid profiles were measured along with oral glucose tolerance tests (OGTTs). In addition, the levels of plasma proteins were compared between type 2 diabetic rats and CC-treated rats using an iTRAQ-based quantitative proteomic analysis. The results showed that the plasma levels of triglyceride (TC), total cholesterol (TG), and low-density lipoprotein (LDL) in rats of both CC-treated groups were significantly decreased. In addition, the proteomic analysis identified 929 proteins, while 15 proteins were selected from these 929 proteins based on their expression levels and bioinformatic results. Among these 15 proteins, 9 proteins (IGF-1, Igfbp4, Igfbp-6, Igfals, C2, C4, Cfi, Prdx-2, and Prdx-3) were upregulated in the two CC-treated groups, while 6 proteins (Pla2g7, Pcyox1, ApoC-1, ApoC-3, ApoB-100, and ApoE) were downregulated. The functions of these proteins are associated with glucose metabolism, insulin action, immunity, inflammation, lipid metabolism, oxidation, and antioxidation. The two differently extracted CC did not show significant differences in terms of their treatment efficacy. This research expanded our understanding on the therapeutic effects and mechanisms of CC in the treatment of type 2 diabetes.
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Gu X, Jin Y, Dong F, Cai Y, You Z, You J, Zhang L, Du S. Toward rapid analysis, forecast and discovery of bioactive compounds from herbs by jointly using thin layer chromatography and ratiometric surface-enhanced Raman spectroscopy technique. J Pharm Biomed Anal 2018; 153:9-15. [PMID: 29459236 DOI: 10.1016/j.jpba.2018.02.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 02/06/2018] [Accepted: 02/07/2018] [Indexed: 11/25/2022]
Abstract
Conventional isolation and identification of active compounds from herbs have been extensively reported by using various chromatographic and spectroscopic techniques. However, how to quickly discover new bioactive ingredients from natural sources still remains a challenging task due to the interference of their similar structures or matrices. Here, we present a grand approach for rapid analysis, forecast and discovery of bioactive compounds from herbs based on a hyphenated strategy of thin layer chromatography and ratiometric surface-enhanced Raman spectroscopy. The performance of the hyphenated strategy is first evaluated by analyzing four protoberberine alkaloids, berberine (BER), coptisine (COP), palmatine (PAT) and jatrorrhizine (JAT), from a typical herb Coptidis Rhizoma as an example. It has been demonstrated that this coupling method can identify the four compounds by characteristic peaks at 728, 708, 736 and 732 cm-1, and especially discriminate BER and COP (with similar migration distances) by ratiometric Raman intensity (I708/I728). The corresponding limits of detection are 0.1, 0.05, 0.1 and 0.5 μM, respectively, which are about 1-2 orders of magnitude lower than those of direct observation method under 254 nm UV lamp. Based on these findings, the proposed method further guides forecast and discovery of unknown compounds from traditional Chinese herb Typhonii Rhizoma. Results infer that two trace alkaloids (BER and COP) from the n-butanol extract of Typhonii Rhizoma are found for the first time. Moreover, in vitro experiments manifest that BER can effectively decrease the viability of human glioma U87 cells by inducing cell cycle arrest in a concentration-dependent manner.
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Affiliation(s)
- Xiaoling Gu
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, China
| | - Yang Jin
- Key Laboratory of Cardiovascular and Cerebrovascular Drug Research of Jiangsu Province, Nanjing Medical University, Nanjing 211166,China
| | - Fang Dong
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, China
| | - Yueqing Cai
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, China
| | - Zhengyi You
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, China
| | - Junhui You
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, China
| | - Liying Zhang
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, China
| | - Shuhu Du
- School of Pharmacy, Nanjing Medical University, Nanjing, Jiangsu, 211166, China.
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Yang C, Guo F, Zang C, Li C, Cao H, Zhang B. The Effect of Ginger Juice Processing on the Chemical Profiles of Rhizoma coptidis. Molecules 2018; 23:E380. [PMID: 29439421 PMCID: PMC6017751 DOI: 10.3390/molecules23020380] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2018] [Revised: 02/03/2018] [Accepted: 02/05/2018] [Indexed: 12/29/2022] Open
Abstract
Rhizoma coptidis (RC) has been used as an herbal medicine in China for over one thousand years, and it was subjected to specific processing before use as materia medica. Processing is a pharmaceutical technique that aims to enhance the efficacy and/or reduce the toxicity of crude drugs according to traditional Chinese medicine theory. In this study, the chemical profiles of RC, ginger juice processed RC (GRC), and water processed RC (WRC) was determined to reveal the mechanism of processing of RC. UPLC-QTOF-MS analysis of methanol extract of RC, GRC, and WRC has been conducted to investigate the effect of processing on the composition of RC. HPLC-PDA was used to determine the variance of total alkaloids and seven alkaloids of RC during the processing. The volatiles of RC, GRC and ginger juice were separated by distillation, the change of volatiles content was recorded and analyzed, and the qualitative analysis of the volatiles was carried out using GC-MS. The microstructures of RC, GRC and WRC were observed using a light microscope. Results showed that ginger juice/water processing had limited influence on the composition of RC's methanol extract, but significant influence on the content of some alkaloids in RC. Ginger juice processing significantly increased (p < 0.05) the volatiles content of RC and changed the volatiles composition obviously. Processing also had an influence on the microstructure of RC. This research comprehensively revealed the mechanism of ginger juice processing of RC.
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Affiliation(s)
- Chunyu Yang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Fengqian Guo
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Chen Zang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Cui Li
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
| | - Hui Cao
- School of Pharmacy, Jinan University, Guangzhou 510632, China.
| | - Baoxian Zhang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.
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Chatterjee S, Suresh Kumar G. Small molecule induced poly(A) single strand to self-structure conformational switching: evidence for the prominent role of H-bonding interactions. MOLECULAR BIOSYSTEMS 2018; 13:1000-1009. [PMID: 28405661 DOI: 10.1039/c7mb00031f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
All messenger RNAs (mRNAs) have a polyadenylic acid tail that is added during post transcriptional RNA processing. Investigation of the structure-function and interactions of polyadenylic acid is an important area to target for cancer and related diseases. Jatrorrhizine and coptisine are two important isoquinoline alkaloids that are structurally very similar, differing only in the substituents on the isoquinoline chromophore. Here we demonstrate that these alkaloids differentially induce a self-structure in single stranded poly(A) using absorbance, thermal melting and differential scanning calorimetry experiments. Jatrorrhizine was found to be more effective than coptisine in binding to poly(A) from spectroscopy and calorimetry data. Molecular modeling results suggested the involvement of more H-bonds in the complexation of the former with poly(A). It appears that the presence of substituents on the alkaloid that can form H-bonding interactions with the adenine nucleotides may play a critical role in the binding and structural rearrangement of poly(A) into the self-structure. The atomic force microscopy data directly visualized the poly(A) self-structured network. We propose a plausible mechanism of the small molecule induced self-structure formation in poly(A). The results presented here may help in the design of effective poly(A) targeted molecules for therapeutic use.
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Affiliation(s)
- Sabyasachi Chatterjee
- Biophysical Chemistry Laboratory, Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Kolkata 700 032, India.
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Identification of cytotoxic metabolites from Mahonia aquifolium using 1 H NMR-based metabolomics approach. J Pharm Biomed Anal 2018; 150:9-14. [DOI: 10.1016/j.jpba.2017.11.075] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 11/28/2017] [Accepted: 11/28/2017] [Indexed: 01/10/2023]
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40
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Chen N, Yang XY, Guo CE, Bi XN, Chen JH, Chen HY, Li HP, Lin HY, Zhang YJ. The oral bioavailability, excretion and cytochrome P450 inhibition properties of epiberberine: an in vivo and in vitro evaluation. DRUG DESIGN DEVELOPMENT AND THERAPY 2017; 12:57-65. [PMID: 29343943 PMCID: PMC5749554 DOI: 10.2147/dddt.s151660] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Epiberberine (EPI) is a novel and potentially effective therapeutic and preventive agent for diabetes and cardiovascular disease. To evaluate its potential value for drug development, a specific, sensitive and robust high-performance liquid chromatography-tandem mass spectrometry assay for the determination of EPI in rat biological samples was established. This assay was used to study the pharmacokinetics, bioavailability and excretion of EPI in rats after oral administration. In addition, a cocktail method was used to compare the inhibition characteristics of EPI on cytochrome P450 (CYP450) isoforms in human liver microsomes (HLMs) and rat liver microsomes (RLMs). The results demonstrated that EPI was rapidly absorbed and metabolized after oral administration (10, 54 or 81 mg/kg) in rats, with Tmax of 0.37–0.42 h and T1/2 of 0.49–2.73 h. The Cmax and area under the curve values for EPI increased proportionally with the dose, and the oral absolute bioavailability was 14.46%. EPI was excreted mainly in bile and feces, and after its oral administration to rats, EPI was eliminated predominantly by the kidneys. A comparison of the current half-maximal inhibitory concentration and Ki values revealed that EPI demonstrated an obvious inhibitory effect on CYP2C9 and CYP2D6. Furthermore, its effect was stronger in HLM than in RLM, more likely to be a result of noncompetitive inhibition.
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Affiliation(s)
- Ning Chen
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing
| | - Xiao-Yan Yang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing.,Nanjing Sanhome Pharmaceutical Co., Ltd., Nanjing, China
| | - Chang-E Guo
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing
| | - Xin-Ning Bi
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing
| | - Jian-Hua Chen
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing
| | - Hong-Ying Chen
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing
| | - Hong-Pin Li
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing
| | - Hong-Ying Lin
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing
| | - Yu-Jie Zhang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing
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Yue SJ, Liu J, Feng WW, Zhang FL, Chen JX, Xin LT, Peng C, Guan HS, Wang CY, Yan D. System Pharmacology-Based Dissection of the Synergistic Mechanism of Huangqi and Huanglian for Diabetes Mellitus. Front Pharmacol 2017; 8:694. [PMID: 29051733 PMCID: PMC5633780 DOI: 10.3389/fphar.2017.00694] [Citation(s) in RCA: 91] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 09/19/2017] [Indexed: 01/02/2023] Open
Abstract
The rapidly increasing diabetes mellitus (DM) is becoming a major global public health issue. Traditional Chinese medicine (TCM) has a long history of the treatment of DM with good efficacy. Huangqi and Huanglian are one of the most frequently prescribed herbs for DM, and the combination of them occurs frequently in antidiabetic formulae. However, the synergistic mechanism of Huangqi (Radix Astragali) and Huanglian (Rhizoma Coptidis) has not been clearly elucidated. To address this problem, a feasible system pharmacology model based on chemical, pharmacokinetic and pharmacological data was developed via network construction approach to clarify the synergistic mechanisms of these two herbs. Forty-three active ingredients of Huangqi (mainly astragalosides and isoflavonoids) and Huanglian (primarily isoquinoline alkaloids) possessing favorable pharmacokinetic profiles and biological activities were selected, interacting with 50 DM-related targets to provide potential synergistic therapeutic actions. Systematic analysis of the constructed networks revealed that these targets such as GLUT2, NOS2, PTP1B, and IGF1R were mainly involved in PI3K-Akt signaling pathway, insulin resistance, insulin signaling pathway, and HIF-1 signaling pathway, and were mainly located in retina, pancreatic islet, smooth muscle, immunity-related organ tissues, and whole blood. The contribution index of every active ingredient also indicated five compounds, including berberine (BBR), astragaloside IV (AIV), quercetin, palmatine, and astragalus polysaccharides, as the principal components of this herb combination. These results successfully explained the polypharmcological and synergistic mechanisms underlying the efficiency of Huangqi and Huanglian for the treatment of DM and its complications.
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Affiliation(s)
- Shi-Jun Yue
- Beijing Shijitan Hospital, Capital Medical University, Beijing, China.,Key Laboratory of Marine Drugs (Ministry of Education of China), School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Juan Liu
- Beijing Shijitan Hospital, Capital Medical University, Beijing, China.,College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wu-Wen Feng
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Fei-Long Zhang
- Information Center, Beijing University of Chinese Medicine, Beijing, China
| | - Jian-Xin Chen
- Information Center, Beijing University of Chinese Medicine, Beijing, China
| | - Lan-Ting Xin
- Key Laboratory of Marine Drugs (Ministry of Education of China), School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Cheng Peng
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hua-Shi Guan
- Key Laboratory of Marine Drugs (Ministry of Education of China), School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Chang-Yun Wang
- Key Laboratory of Marine Drugs (Ministry of Education of China), School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.,Laboratory for Marine Drugs and Bioproducts, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
| | - Dan Yan
- Beijing Shijitan Hospital, Capital Medical University, Beijing, China
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Tang Y, Li S, Li S, Yang X, Qin Y, Liu C, Zhang Y. Screening and isolating potential α-glucosidase inhibitors from Rhizoma Coptidis by ultrafiltration LC-PDA-ESI/MS combined with high-speed countercurrent chromatography and reverse-phase medium-pressure liquid chromatography. Med Chem Res 2017. [DOI: 10.1007/s00044-017-2031-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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43
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Coptisine protects cardiomyocyte against hypoxia/reoxygenation-induced damage via inhibition of autophagy. Biochem Biophys Res Commun 2017; 490:231-238. [DOI: 10.1016/j.bbrc.2017.06.027] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Accepted: 06/08/2017] [Indexed: 12/19/2022]
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44
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Hao GM, Liu YG, Wu Y, Xing W, Guo SZ, Wang Y, Wang ZL, Li C, Lv TT, Wang HL, Shi TJ, Wang W, Han J. The protective effect of the active components of ERPC on diabetic peripheral neuropathy in rats. JOURNAL OF ETHNOPHARMACOLOGY 2017; 202:162-171. [PMID: 28315720 DOI: 10.1016/j.jep.2017.03.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 02/16/2017] [Accepted: 03/12/2017] [Indexed: 06/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Euonymus alatus, Radix trichosanthis, Panax notoginseng and Coptis chinensis are popular plants used in traditional Chinese medicine to treat diabetes. AIM OF THE STUDY The aim of the study is to investigate the therapeutic effect of the active components of Euonymus alatus, Radix trichosanthis, Panax notoginseng and Coptis chinensis (cERPC) on diabetic peripheral neuropathy in the rats and explore the underlying mechanism involved. METHODS After diabetes was induced in rats for 20 weeks, cERPC or water was administered for 12 weeks. After a hot plate test, motor nerve conduction velocity and sciatic nerve blood flow were determined; the sciatic nerves were isolated for toluidine blue staining; and the fibre area, fibre diameter, axon area, axon diameter and myelin thickness were evaluated. The levels of the myelin basic protein, myelin protein zero, Oct6 and Krox20 were measured by western blot or immunofluorescence. RESULTS cERPC was efficient in reducing the response latency, increasing motor nerve conduction velocity, enhancing sciatic nerve blood flow and ameliorating the pathological changes in diabetic rats. cERPC also had a role in increasing the levels of myelin basic protein and myelin protein zero and improving the expression of Oct6 and Krox20 in sciatic nerves of diabetic rats. CONCLUSIONS cERPC ameliorates diabetic peripheral neuropathy by attenuating electrophysiological, circulatory and morphological alterations, which is mediated by the Oct6-Krox20 pathway.
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Affiliation(s)
- Gai-Mei Hao
- College of Basic Medicine, Key Laboratory of Ministry of Education (Syndromes and Formulas), Key Laboratory of Beijing (Syndromes and Formulas), Beijing University of Chinese Medicine, Beijing, China; Institute of Basic Theory for Chinese Medicine, China Academy of Chinese Medical Sciences, Beijing, China.
| | - Yong-Gang Liu
- College of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
| | - Yan Wu
- Institute of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
| | - Wei Xing
- College of Basic Medicine, Key Laboratory of Ministry of Education (Syndromes and Formulas), Key Laboratory of Beijing (Syndromes and Formulas), Beijing University of Chinese Medicine, Beijing, China.
| | - Shu-Zhen Guo
- College of Basic Medicine, Key Laboratory of Ministry of Education (Syndromes and Formulas), Key Laboratory of Beijing (Syndromes and Formulas), Beijing University of Chinese Medicine, Beijing, China.
| | - Yong Wang
- College of Basic Medicine, Key Laboratory of Ministry of Education (Syndromes and Formulas), Key Laboratory of Beijing (Syndromes and Formulas), Beijing University of Chinese Medicine, Beijing, China.
| | - Zheng-Lin Wang
- College of Basic Medicine, Key Laboratory of Ministry of Education (Syndromes and Formulas), Key Laboratory of Beijing (Syndromes and Formulas), Beijing University of Chinese Medicine, Beijing, China.
| | - Chun Li
- Modern Research Center for Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
| | - Tian-Tian Lv
- College of Basic Medicine, Key Laboratory of Ministry of Education (Syndromes and Formulas), Key Laboratory of Beijing (Syndromes and Formulas), Beijing University of Chinese Medicine, Beijing, China.
| | - Hong-Liang Wang
- College of Basic Medicine, Key Laboratory of Ministry of Education (Syndromes and Formulas), Key Laboratory of Beijing (Syndromes and Formulas), Beijing University of Chinese Medicine, Beijing, China.
| | - Tian-Jiao Shi
- College of Basic Medicine, Key Laboratory of Ministry of Education (Syndromes and Formulas), Key Laboratory of Beijing (Syndromes and Formulas), Beijing University of Chinese Medicine, Beijing, China.
| | - Wei Wang
- College of Basic Medicine, Key Laboratory of Ministry of Education (Syndromes and Formulas), Key Laboratory of Beijing (Syndromes and Formulas), Beijing University of Chinese Medicine, Beijing, China.
| | - Jing Han
- Institute of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China.
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45
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Rao PC, Begum S, Sahai M, Sriram DS. Coptisine-induced cell cycle arrest at G2/M phase and reactive oxygen species-dependent mitochondria-mediated apoptosis in non-small-cell lung cancer A549 cells. Tumour Biol 2017; 39:1010428317694565. [PMID: 28351307 DOI: 10.1177/1010428317694565] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
This study aimed to explore the effect of coptisine on non-small-cell lung cancer and its mechanism through various in vitro cellular models (A549). Results claimed significant inhibition of proliferation by coptisine against A549, H460, and H2170 cells with IC50 values of 18.09, 29.50, and 21.60 µM, respectively. Also, coptisine exhibited upregulation of pH2AX, cell cycle arrest at G2/M phase, and downregulation of the expression of cyclin B1, cdc2, and cdc25C and upregulation of p21 dose dependently. Furthermore, induction of apoptosis in A549 cells by coptisine was characterized by the activation of caspase 9, caspase 8, and caspase 3, and cleavage of poly adenosine diphosphate ribose polymerase. In addition, coptisine was found to increase reactive oxygen species generation, upregulate Bax/Bcl-2 ratio, disrupt mitochondrial membrane potential, and cause cytochrome c release into the cytosol. Besides, treatment with a reactive oxygen species inhibitor (N-acetyl cysteine) abrogated coptisine-induced growth inhibition, apoptosis, reactive oxygen species generation, and mitochondrial dysfunction. Thus, the mediation of reactive oxygen species in the apoptosis-induced effect of coptisine in A549 cells was corroborated. These findings have offered new insights into the effect and mechanisms of action of coptisine against non-small-cell lung cancer.
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Affiliation(s)
- Poorna Chandra Rao
- 1 Department of Pharmacy, Birla Institute of Technology and Science - Pilani, Hyderabad, India
| | - Sajeli Begum
- 1 Department of Pharmacy, Birla Institute of Technology and Science - Pilani, Hyderabad, India
| | - Mahendra Sahai
- 2 Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - D Saketh Sriram
- 3 Biological Research Department, Incozen Therapeutics Pvt. Ltd., Hyderabad, India
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Tan L, Li C, Chen H, Mo Z, Zhou J, Liu Y, Ma Z, Xu Y, Yang X, Xie J, Su Z. Epiberberine, a natural protoberberine alkaloid, inhibits urease of Helicobacter pylori and jack bean: Susceptibility and mechanism. Eur J Pharm Sci 2017; 110:77-86. [PMID: 28167234 DOI: 10.1016/j.ejps.2017.02.004] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2016] [Revised: 01/28/2017] [Accepted: 02/02/2017] [Indexed: 12/31/2022]
Abstract
In our previous study, Rhizoma Coptidis extract was found to exert more potent inhibitory effect than its major component berberine towards urease from Helicobacter pylori (HPU) and jack bean (JBU). In continuation of our work, the present study was designed to further comparatively investigate the urease inhibitory activities of five major protoberberine alkaloids in Rhizoma Coptidis, namely berberine, palmatine, coptisine, epiberberine, jateorhizine to identify the bioactive constituent, and illuminate the potential mechanism of action. Results indicated that the five protoberberine alkaloids acted as concentration-dependent inactivators of urease with IC50 values ranging between 3.0 and 5087μM for HPU and 2.3->10,000μM for JBU, respectively. Notably, epiberberine (EB) was found to be the most potent inhibitor against both ureases with IC50 values of 3.0±0.01μM for HPU and 2.3±0.01μM for JBU, which was more effective than the standard urease inhibitor, acetohydroxamic acid (83±0.01μM for HPU and 22±0.01μM for JBU, respectively). Further kinetic analysis revealed that the type of EB inhibition against HPU was slow-binding and uncompetitive, with Ki of 10.6±0.01μM, while slow-binding and competitive against JBU with Ki of 4.6±0.01μM. Addition of thiol reagents, such as l-cysteine, glutathione and dithiothreitol, significantly abolished the inhibition, while Ni2+ competitive inhibitors, boric acid and sodium fluoride, synergetically inhibited urease with EB, indicating the obligatory role of the active site sulfhydryl group for the inhibition. In addition, binding of EB with the urease proved to be reversible, as about 65% and 90% enzymatic activity of HPU and JBU, respectively, could be restored by dithiothreitol application. These findings highlighted the potential role of Rhizoma Coptidis protoberberine alkaloids, especially EB, as a lead urease inhibitor in the treatment of diseases associated with ureolytic bacteria. Thus, EB had good potential for further development into a promising therapeutic approach for the treatment of urease-related diseases.
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Affiliation(s)
- Lihua Tan
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou 510006, People's Republic of China; Guangdong Provincial Key Laboratory of New Chinese Medicinal Development and Research, Guangzhou 510006, People's Republic of China
| | - Cailan Li
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou 510006, People's Republic of China; Guangdong Provincial Key Laboratory of New Chinese Medicinal Development and Research, Guangzhou 510006, People's Republic of China
| | - Hanbin Chen
- The First Affiliated Hospital of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou 510405, People's Republic of China
| | - Zhizhun Mo
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou 510006, People's Republic of China; Guangdong Provincial Key Laboratory of New Chinese Medicinal Development and Research, Guangzhou 510006, People's Republic of China
| | - Jiangtao Zhou
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou 510006, People's Republic of China; Guangdong Provincial Key Laboratory of New Chinese Medicinal Development and Research, Guangzhou 510006, People's Republic of China
| | - Yuhong Liu
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou 510006, People's Republic of China; Guangdong Provincial Key Laboratory of New Chinese Medicinal Development and Research, Guangzhou 510006, People's Republic of China
| | - Zhilin Ma
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou 510006, People's Republic of China
| | - Yuyao Xu
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou 510006, People's Republic of China
| | - Xiaobo Yang
- Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510120, People's Republic of China
| | - Jianhui Xie
- Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, The Second Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510120, People's Republic of China.
| | - Ziren Su
- School of Chinese Materia Medica, Guangzhou University of Chinese Medicine, Guangzhou 510006, People's Republic of China; Guangdong Provincial Key Laboratory of New Chinese Medicinal Development and Research, Guangzhou 510006, People's Republic of China; Dongguan Mathematical Engineering Academy of Chinese Medicine, Guangzhou University of Chinese Medicine, Dongguan 523808, People's Republic of China.
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Regulation of miRNAs by herbal medicine: An emerging field in cancer therapies. Biomed Pharmacother 2016; 86:262-270. [PMID: 28006752 DOI: 10.1016/j.biopha.2016.12.023] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2016] [Revised: 11/29/2016] [Accepted: 12/05/2016] [Indexed: 12/12/2022] Open
Abstract
MicroRNAs' expression profiles have recently gained major attention as far as cancer research is concerned. MicroRNAs are able to inhibit target gene expression via binding to the 3' UTR of target mRNA, resulting in target mRNA cleavage or translation inhibition. MicroRNAs play significant parts in a myriad of biological processes; studies have proven, on the other hand, that aberrant microRNA expression is, more often than not, associated with the growth and progression of cancers. MicroRNAs could act as oncogenes (oncomir) or tumor suppressors and can also be utilized as biomarkers for diagnosis, prognosis, and cancer therapy. Recent studies have shown that such herbal extracts as Shikonin, Sinomenium acutum, curcumin, Olea europaea, ginseng, and Coptidis Rhizoma could alter microRNA expression profiles through inhibiting cancer cell development, activating the apoptosis pathway, or increasing the efficacy of conventional cancer therapeutics. Such findings patently suggest that the novel specific targeting of microRNAs by herbal extracts could complete the restriction of tumors by killing the cancerous cells so as to recover survival results in patients diagnosed with malignancies. In this review, we summarized the current research about microRNA biogenesis, microRNAs in cancer, herbal compounds with anti-cancer effects and novel strategies for employing herbal extracts in order to target microRNAs for a better treatment of patients diagnosed with cancer.
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Kaufmann D, Kaur Dogra A, Tahrani A, Herrmann F, Wink M. Extracts from Traditional Chinese Medicinal Plants Inhibit Acetylcholinesterase, a Known Alzheimer's Disease Target. Molecules 2016; 21:molecules21091161. [PMID: 27589716 PMCID: PMC6273583 DOI: 10.3390/molecules21091161] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Revised: 08/24/2016] [Accepted: 08/27/2016] [Indexed: 12/20/2022] Open
Abstract
Inhibition of acetylcholinesterase (AChE) is a common treatment for early stages of the most general form of dementia, Alzheimer's Disease (AD). In this study, methanol, dichloromethane and aqueous crude extracts from 80 Traditional Chinese Medical (TCM) plants were tested for their in vitro anti-acetylcholinesterase activity based on Ellman's colorimetric assay. All three extracts of Berberis bealei (formerly Mahonia bealei), Coptis chinensis and Phellodendron chinense, which contain numerous isoquinoline alkaloids, substantially inhibited AChE. The methanol and aqueous extracts of Coptis chinensis showed IC50 values of 0.031 µg/mL and 2.5 µg/mL, therefore having an up to 100-fold stronger AChE inhibitory activity than the already known AChE inhibitor galantamine (IC50 = 4.33 µg/mL). Combinations of individual alkaloids berberine, coptisine and palmatine resulted in a synergistic enhancement of ACh inhibition. Therefore, the mode of AChE inhibition of crude extracts of Coptis chinensis, Berberis bealei and Phellodendron chinense is probably due to of this synergism of isoquinoline alkaloids. All extracts were also tested for their cytotoxicity in COS7 cells and none of the most active extracts was cytotoxic at the concentrations which inhibit AChE. Based on these results it can be stated that some TCM plants inhibit AChE via synergistic interaction of their secondary metabolites. The possibility to isolate pure lead compounds from the crude extracts or to administer these as nutraceuticals or as cheap alternative to drugs in third world countries make TCM plants a versatile source of natural inhibitors of AChE.
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Affiliation(s)
- Dorothea Kaufmann
- Institute of Pharmacy and Molecular Biotechnology, Department of Biology, Ruprecht Karls University Heidelberg, Heidelberg 69120, Germany.
| | - Anudeep Kaur Dogra
- Centre for Pharmacognosy and Phytotherapy, The School of Pharmacy, University of London, 29-39 Brunswick Square, London WC1N 1AX, UK.
| | - Ahmad Tahrani
- Institute of Pharmacy and Molecular Biotechnology, Department of Biology, Ruprecht Karls University Heidelberg, Heidelberg 69120, Germany.
| | - Florian Herrmann
- Institute of Pharmacy and Molecular Biotechnology, Department of Biology, Ruprecht Karls University Heidelberg, Heidelberg 69120, Germany.
| | - Michael Wink
- Institute of Pharmacy and Molecular Biotechnology, Department of Biology, Ruprecht Karls University Heidelberg, Heidelberg 69120, Germany.
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Ma WK, Li H, Dong CL, He X, Guo CR, Zhang CF, Yu CH, Wang CZ, Yuan CS. Palmatine from Mahonia bealei attenuates gut tumorigenesis in ApcMin/+ mice via inhibition of inflammatory cytokines. Mol Med Rep 2016; 14:491-8. [PMID: 27175745 PMCID: PMC4918606 DOI: 10.3892/mmr.2016.5285] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Accepted: 02/12/2016] [Indexed: 01/05/2023] Open
Abstract
Mahonia bealei is a Chinese folk medicine used to treat various ailments, in particular gastrointestinal inflammation‑related illnesses, and palmatine is one of its active constituents. In this study, ApcMin/+ mice, a genetically engineered model, were used to investigate the effects of palmatine on the initiation and progression of gut inflammation and tumorigenesis enhanced by a high‑fat diet. The in vitro antiproliferation and anti‑inflammation effects of palmatine were evaluated on HT‑29 and SW‑480 human colorectal cancer cell lines. The concentration‑related antiproliferative effects of palmatine on both cell lines (P<0.01) were observed. Palmatine significantly inhibited lipopolysaccharide‑induced increase in cytokine interleukin (IL)‑8 levels in the HT‑29 cells (P<0.01). In the in vivo studies with ApcMin/+ mice, after 10 or 20 mg/kg/day oral palmatine treatment, tumor numbers were significantly reduced in the small intestine and colon in a dose‑dependent manner (P<0.01 compared with the model group). The results were supported by tumor distribution data, body weight changes and organ index. The effect on survival was also dose‑dependent. Both the low‑ and high‑dose palmatine treatments significantly increased the life span of the mice (P<0.01). The gut histology from the model group showed a prominent adenomatous change along with inflammatory lesions. With palmatine treatment, however, the dysplastic changes were greatly reduced in the small intestine and colon tissue. Reverse transcription‑quantitative polymerase chain reaction analysis of interleukin (IL)‑1α, IL1‑β, IL‑8, granulocyte‑colony stimulating factor and granulocyte macrophage colony‑stimulating factor in the gut tissue showed that these inflammatory cytokines were reduced significantly following treatment (all P<0.01); serum cytokine levels were also decreased. Data suggests that palmatine has a clinical value in colorectal cancer therapeutics, and this action is likely linked to the inhibition of inflammatory cytokines.
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Affiliation(s)
- Wei-Kun Ma
- Teaching and Research Section of Traditional Chinese Pharmaceutics, China Pharmaceutical University, Nanjing, Jiangsu 210009, P.R. China
| | - Hui Li
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, Jiangsu 210009, P.R. China
| | - Cui-Lan Dong
- Department of Traditional Chinese Medicine, People's Hospital of Zhangqiu, Zhangqiu, Jinan, Shandong 250200, P.R. China
| | - Xin He
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, Jiangsu 210000, P.R. China
| | - Chang-Run Guo
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, Jiangsu 210009, P.R. China
| | - Chun-Feng Zhang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, Jiangsu 210009, P.R. China
| | - Chun-Hao Yu
- Tang Center of Herbal Medicine Research and Department of Anesthesia and Critical Care, University of Chicago, Chicago, IL 60637, USA
| | - Chong-Zhi Wang
- Tang Center of Herbal Medicine Research and Department of Anesthesia and Critical Care, University of Chicago, Chicago, IL 60637, USA
| | - Chun-Su Yuan
- Tang Center of Herbal Medicine Research and Department of Anesthesia and Critical Care, University of Chicago, Chicago, IL 60637, USA
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50
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Xie M, Zhang HJ, Deng AJ, Wu LQ, Zhang ZH, Li ZH, Wang WJ, Qin HL. Synthesis and Structure-Activity Relationships of N-Dihydrocoptisine-8-ylidene Aromatic Amines and N-Dihydrocoptisine-8-ylidene Aliphatic Amides as Antiulcerative Colitis Agents Targeting XBP1. JOURNAL OF NATURAL PRODUCTS 2016; 79:775-783. [PMID: 26981782 DOI: 10.1021/acs.jnatprod.5b00807] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
In this study, natural quaternary coptisine was used as a lead compound to design and synthesize structurally stable and actively potent coptisine analogues. Of the synthesized library, 13 N-dihydrocoptisine-8-ylidene amines/amides were found not only to be noncytotoxic toward intestinal epithelial cells (IECs), but they were also able to activate the transcription of X-box-binding protein 1 (XBP1) targets to varying extents in vitro. Antiulcerative colitis (UC) activity levels were assessed at the in vitro molecular level as well as in vivo in animals using multiple biomarkers as indices. In an in vitro XBP1 transcriptional activity assay, four compounds demonstrated good dose-effect relationships with EC50 values of 0.0708-0.0132 μM. Moreover, two compounds were confirmed to be more potent in vivo than a positive control, demonstrating a curative effect for UC in experimental animals. Thus, the findings of this study suggest that these coptisine analogues are promising candidates for the development of anti-UC drugs.
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Affiliation(s)
- Meng Xie
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050, People's Republic of China
| | - Hai-Jing Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050, People's Republic of China
| | - An-Jun Deng
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050, People's Republic of China
| | - Lian-Qiu Wu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050, People's Republic of China
| | - Zhi-Hui Zhang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050, People's Republic of China
| | - Zhi-Hong Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050, People's Republic of China
| | - Wen-Jie Wang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050, People's Republic of China
| | - Hai-Lin Qin
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050, People's Republic of China
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