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Zhou Y, Zhang D, Tan P, Xian B, Jiang H, Wu Q, Huang X, Zhang P, Xiao X, Pei J. Mechanism of platelet activation and potential therapeutic effects of natural drugs. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 108:154463. [PMID: 36347177 DOI: 10.1016/j.phymed.2022.154463] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 08/20/2022] [Accepted: 09/18/2022] [Indexed: 05/09/2023]
Abstract
BACKGROUND Cardiovascular disease is one of the most concerning chronic diseases in the world. Many studies have shown that platelet overactivation is a very important factor in the occurrence and development of cardiovascular diseases. At present, the widely used antiplatelet drugs have some defects, such as drug resistance and adverse reactions. PURPOSE The purpose of this article is to summarize the main mechanisms and pathways of platelet activation, the main targets of antiplatelet aggregation, and the antiplatelet aggregation components of natural drugs and their mechanisms of action to provide new research ideas for the development and application of antiplatelet drugs. STUDY DESIGN AND METHODS In this review, we systematically searched the PubMed, Google Scholar, Web of Science, and CNKI databases and selected studies based on predefined eligibility criteria. We then assessed their quality and extracted data. RESULTS ADP, AA, THR, AF, collagen, SDF-1α, and Ca2+ can induce platelet aggregation and trigger thrombosis. Natural drugs have a good inhibitory effect on platelet activation. More than 50 kinds of natural drugs and over 120 kinds of chemical compounds, including flavonoids, alkaloids, saponins, terpenoids, coumarins, and organic acids, have significantly inhibited platelet activation activity. The MAPK pathway, cGMP-PKG pathway, cAMP-PKA pathway, PI3K-AKT pathway, PTK pathway, PLC pathway, and AA pathway are the main mechanisms and pathways of platelet activation. CONCLUSION Natural drugs and their active ingredients have shown good activity and application prospects in anti-platelet aggregation. We hope that this review provides new research ideas for the development and application of antiplatelet drugs.
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Affiliation(s)
- Yongfeng Zhou
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Dingkun Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Peng Tan
- Sichuan Academy of Traditional Chinese Medicine, State Key Laboratory of Quality Evaluation of Traditional Chinese Medicine, Chengdu 610041, China
| | - Bin Xian
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Huajuan Jiang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Qinghua Wu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Xulong Huang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Ping Zhang
- Medical Supplies Centre of PLA General Hospital, Beijing 100036, China.
| | - Xiaohe Xiao
- Department of Liver Disease, Fifth Medical Center of PLA General Hospital, Beijing 10039, China.
| | - Jin Pei
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China; College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
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Development of a LC–MS/MS method for the determination of CKD-712 in rat plasma: Application to a pharmacokinetic study in rats. J Chromatogr B Analyt Technol Biomed Life Sci 2017; 1061-1062:123-127. [DOI: 10.1016/j.jchromb.2017.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Revised: 07/04/2017] [Accepted: 07/06/2017] [Indexed: 11/22/2022]
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Park SI, Kim J, Yu KS, Jang IJ, Lee S. Changes in Cardiac Function After a Single Intravenous Administration of CKD-712 in Healthy Male Volunteers. Clin Drug Investig 2017; 37:393-403. [PMID: 28160190 DOI: 10.1007/s40261-017-0494-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND AND OBJECTIVES CKD-712, a candidate treatment for septic shock, acts by increasing cardiac output. This study investigated changes in the pharmacodynamics, pharmacokinetics, and tolerability of CKD-712 after a single intravenous administration. METHODS A dose-block-randomized, double-blind, placebo-controlled, single-dose escalation study was conducted in 44 healthy subjects receiving 20, 40, 80, 160, 240, or 320 μg/kg CKD-712 or placebo. Pharmacodynamics were evaluated using computerized impedance cardiography, vital signs, platelet aggregation, and bleeding time. Serial blood and urine samples for pharmacokinetic analysis were collected up to 12 and 24 h, respectively, after the initiation of intravenous drug infusion. Tolerability assessments were performed throughout the study. RESULTS The area under the effect-time curve of the cardiac index (AUECCI) and systolic blood pressure (AUECSBP) changed significantly with the 160 and 320 µg/kg doses of CKD-712 compared with placebo. Furthermore, the AUECCI and AUECSBP tended to increase as the systemic exposure of CKD-712 increased from 20 to 240 µg/kg. The frequency of drug-related adverse events (AEs), including cardiovascular symptoms, was higher with the 320 µg/kg dose. CONCLUSION The pharmacological effects and on-target AEs of CKD-712 increased relative to the dose increments. The results of this study suggest that potentially therapeutic doses of CKD-712 could range from 160 to 240 μg/kg.
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Affiliation(s)
- Sang-In Park
- Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, Republic of Korea
| | - JaeWoo Kim
- Clinical Trials Center, Chungnam National University Hospital, Daejeon, Republic of Korea
| | - Kyung-Sang Yu
- Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, Republic of Korea
| | - In-Jin Jang
- Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, Republic of Korea
| | - SeungHwan Lee
- Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, Republic of Korea.
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Zhang N, Lian Z, Peng X, Li Z, Zhu H. Applications of Higenamine in pharmacology and medicine. JOURNAL OF ETHNOPHARMACOLOGY 2017; 196:242-252. [PMID: 28007527 DOI: 10.1016/j.jep.2016.12.033] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Revised: 12/17/2016] [Accepted: 12/18/2016] [Indexed: 05/07/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Aconitum has been used as local and traditional medicines in many asian regions for the treatment of various diseases such as collapse, syncope, painful joints, oedema, bronchial asthma et al. Higenamine, a plant-based alkaloid, was initially isolated from Aconitum and identified as the active cardiotonic component of Aconitum. It has been tested as a candidate of pharmacologic stress agent in the detection of coronary artery diseases (CADs) and now researchers have just accomplished the phase III clinical studies successfully in China. Besides, a large number of studies have revealed the various pharmacological properties and potentially multi-spectral medical applications of higenamine. However, to date, no comprehensive review on higenamine has been published. AIM OF THE REVIEW This present paper aims to compile a comprehensive update regarding the biochemistry, pharmacokinetic features, pharmacological activities, clinical and potential clinical uses and toxicities on higenamine with the ultimate objective of providing a guide for future research on this drug. MATERIALS AND METHODS The selection of relevant data was made through a search using the keyword "higenamine" in "Web of science", "Pubmed", and "China Knowledge Resource Integrated (CNKI)". Information was also acquired from local classic herbal literature, government reports and conference papers. RESULTS In addition to Aconitum, higenamine also exists in many other plants including Tinospora crispa, Nandina domestica THUNBERG, Gnetum Parvifolium C.Y. Cheng, sarum Heterotropoides,Nelumbo nucifera,N.nucifera. The pharmacokinetic studies conducted in animals and humans showed that higenamine conformed to a two-compartment pharmacokinetic model. Studies over the last four decades on higenamine have revealed its various pharmacological properties such as positive inotropic and chronotropic effect, activating slow channel effect, vascular and tracheal relaxation effect, anti-thrombotic, anti-apoptotic and anti-oxidative effect, anti-inflammatory and immunomodulatory effect. This phytochemical constituent has shown its potential therapeutic effects for diseases like heart failure, disseminated intravascular coagulation (DIC), shock, arthritis, asthma, ischemia/reperfusion (I/R) injuries and erectile dysfunction. CONCLUSIONS Extensive basic and clinical studies on higenamine showed valuable therapeutic effects on different disorders. However, the underlying mechanisms of higenamine have not been established. Therefore, the safety, tolerability and efficacy of higenamine are as yet, not fully understood. Additionally, some of the studies were small sample-sized and unreliable. To sum up, there is a need for deeper investigation in the mechanisms of higenamine action, as well as well-designed preclinical and clinical trials studies to test the safety and clinical value of the drug.
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Affiliation(s)
- Nana Zhang
- State Key Laboratory for Bioactive Substances and Functions of Natural Medicines, Beijing, PR China; Beijing Key Laboratory of New Drug Mechanisms and Pharmacological Evaluation Study, Beijing, PR China; Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, PR China
| | - Zeqin Lian
- State Key Laboratory for Bioactive Substances and Functions of Natural Medicines, Beijing, PR China; Beijing Key Laboratory of New Drug Mechanisms and Pharmacological Evaluation Study, Beijing, PR China; Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, PR China
| | - Xueying Peng
- State Key Laboratory for Bioactive Substances and Functions of Natural Medicines, Beijing, PR China; Beijing Key Laboratory of New Drug Mechanisms and Pharmacological Evaluation Study, Beijing, PR China; Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, PR China
| | - Zijian Li
- Institute of Vascular Medicine, Peking University Third Hospital, Key Laboratory of Cardiovascular Molecular Biology and Regulatory Peptides, Ministry of Health, Key Laboratory of Molecular Cardiovascular Sciences, Ministry of Education and Beijing Key Laboratory of Cardiovascular Receptors Research, Beijing, PR China.
| | - Haibo Zhu
- State Key Laboratory for Bioactive Substances and Functions of Natural Medicines, Beijing, PR China; Beijing Key Laboratory of New Drug Mechanisms and Pharmacological Evaluation Study, Beijing, PR China; Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, PR China.
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Zhao D, Wang J, Cui Y, Wu X. Pharmacological effects of Chinese herb aconite (Fuzi) on cardiovascular system. J TRADIT CHIN MED 2012; 32:308-13. [DOI: 10.1016/s0254-6272(13)60030-8] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Cui P, Han H, Wang R, Yang L. Identification and determination of Aconitum alkaloids in Aconitum herbs and Xiaohuoluo pill using UPLC-ESI-MS. Molecules 2012; 17:10242-57. [PMID: 22926305 PMCID: PMC6268077 DOI: 10.3390/molecules170910242] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2012] [Revised: 08/13/2012] [Accepted: 08/22/2012] [Indexed: 11/29/2022] Open
Abstract
A rapid, specific, and sensitive ultra-performance liquid chromatography-electrospray ionization-mass spectrometry (UPLC-ESI-MS) method to examine the chemical differences between Aconitum herbs and processed products has been developed and validated. Combined with chemometrics analysis of principal component analysis (PCA) and orthogonal projection to latent structural discriminate analysis, diester-diterpenoid and monoester-type alkaloids, especially the five alkaloids which contributed to the chemical distinction between Aconitum herbs and processed products, namely mesaconitine (MA), aconitine (AC), hypaconitine (HA), benzoylmesaconitine (BMA), and benzoylhypaconitine (BHA), were picked out. Further, the five alkaloids and benzoylaconitine (BAC) have been simultaneously determined in the Xiaohuoluo pill. Chromatographic separations were achieved on a C₁₈ column and peaks were detected by mass spectrometry in positive ion mode and selected ion recording (SIR) mode. In quantitative analysis, the six alkaloids showed good regression, (r) > 0.9984, within the test ranges. The lower limit quantifications (LLOQs) for MA, AC, HA, BMA, BAC, and BHA were 1.41, 1.20, 1.92, 4.28, 1.99 and 2.02 ng·mL⁻¹, respectively. Recoveries ranged from 99.7% to 101.7%. The validated method was applied successfully in the analysis of the six alkaloids from different samples, in which significant variations were revealed. Results indicated that the developed assay can be used as an appropriate quality control assay for Xiaohuoluo pill and other herbal preparations containing Aconitum roots.
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Affiliation(s)
- Ping Cui
- The Ministry of Education-MOE, Key Laboratory for Standardization of Chinese Medicines, Shanghai University of Traditional Chinese Medicine, Shanghai 201210, China
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Li L, Zhao M, Li W, Wang Y, Liu C, Zhang Z, Su S, Peng S. pH-Dependent nanostructure based on isoquinoline-cyclodextrin conjugate for thrombosis therapy. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2012; 8:1216-22. [PMID: 22248818 DOI: 10.1016/j.nano.2011.12.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2011] [Revised: 12/08/2011] [Accepted: 12/27/2011] [Indexed: 10/14/2022]
Abstract
UNLABELLED The modification of 3S-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (THIQA) with β-cyclodextrin (β-CD) provides an oral antithrombotic agent, 6-(3'S-isoquinoline-3'-carboxylaminoethylamino)-6-deoxy-β-CD (THIQA-β-CD). In aqueous solution THIQA-β-CD undergoes intermolecular inclusion complexation and forms pH-dependent nanostructures. The morphological feature of THIQA-β-CD is a nanocloud consisting of numerous particles that are 5 nm-6 nm in diameter at pH 3.0. The nanocloud switches to a nanorod ranging from 100 nm to 385 nm in length at pH 7.2, then to nanowires of 50 nm to 530 nm in length at pH 10.1. THIQA-β-CD, which has unusual nanostructures, offers enhanced stability in blood. Inhibition of thrombin-induced platelet aggregation in vitro and demonstrated antithrombotic efficacy in vivo. This investigation demonstrated that the modification of THIQA with β-CD is a promising approach for clinical therapy of thrombus disease. The pH-dependent nanostructures of conjugate provide the desired in vivo antithrombotic activity and in vitro stability in blood. FROM THE CLINICAL EDITOR This study a demonstrates that the modification of 3S-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (THIQA) with beta-cyclodextrin, which leads to pH dependent nanostructure formation, is a promising approach for clinical therapy of thrombotic disease.
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Affiliation(s)
- Li Li
- College of Pharmaceutical Science, Capital Medical University, Beijing, People's Republic of China
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Kam SC, Do JM, Choi JH, Jeon BT, Roh GS, Chang KC, Hyun JS. The relaxation effect and mechanism of action of higenamine in the rat corpus cavernosum. Int J Impot Res 2011; 24:77-83. [PMID: 21956762 DOI: 10.1038/ijir.2011.48] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Higenamine mediates cardiotonic, vascular relaxation and bronchodilator effects. The relaxation effects and the mechanism of action of higenamine on the rat corpus cavernosum (CC) were assessed to investigate the effect of higenamine on penile erection. Strips of CC and aorta were used in organ baths for isometric tension studies. Tension was measured with isometric force transducers, and muscle relaxation was expressed as the percent decrease in precontraction induced by phenylephrine (PE). The relaxation reactions were investigated in an endothelial-denuded group and groups pretreated with N(G)-nitro-L-arginine methyl ester (NO synthesis inhibitor), propranolol (β-receptor blocker), indomethacin (COX inhibitor), glibenclamide (K(+)(ATP) channel inhibitor), 4-aminopyridine (membrane potential-dependent potassium channel inhibitor) and methylene blue (guanylyl cyclase inhibitor) for 30 min. Intracavernous pressure (ICP) was assessed in rats after the intravenous administration of higenamine, and changes in guanosine 3',5'-cyclic monophosphate and adenosine 3',5'-cyclic monophosphate (cAMP) concentrations were measured on the basis of the higenamine concentration. Also, the combined reaction of higenamine and the phosphodiesterase type-5 (PDE-5) inhibitors was assessed. Higenamine induced relaxation of the CC and the aortic strips precontracted with PE in a dose-dependent manner. The CC was significantly more relaxed than the aortic rings in response to the same higenamine concentration (P<0.05). The CC relaxation reaction was suppressed by the β-receptor blocker propranolol. The cAMP concentration increased gradually with increased higenamine concentration (P<0.05). The ICP also increased with increased higenamine concentration in vivo (P<0.05). In the group pretreated with 10(-7) M higenamine, the relaxation reaction of CC induced by the PDE-5 inhibitor increased significantly, compared with CC exposed to the PDE-5 inhibitor but not pretreated with higenamine (P<0.05). In conclusion, higenamine induced relaxation of the rat CC in a dose-dependent manner. The effect may be mediated through β-adrenoceptors. The results suggest that higenamine may be valuable as a new lead compound for treating erectile dysfunction.
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Affiliation(s)
- S C Kam
- Department of Urology, Institute of Health Sciences, Gyeongsang National University School of Medicine, Jinju, Korea
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Park JH, Hwang IC, Ha N, Lee S, Kim JM, Lee SS, Yu H, Lim IT, You JA, Kim DH. Effects of the anti-sepsis drug, (S)-1-(α-naphthylmethyl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline (CKD-712), on mortality, inflammation, and organ injuries in rodent sepsis models. Arch Pharm Res 2011; 34:485-94. [PMID: 21547682 DOI: 10.1007/s12272-011-0318-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2010] [Revised: 10/14/2010] [Accepted: 11/09/2010] [Indexed: 11/28/2022]
Abstract
CKD-712 is a 1-naphthyl analog of higenamine that has been reported to have potent antiinflammatory and thus anti-sepsis effects. The purpose of this study was to investigate the potential of CKD-712 as a medicine for sepsis and to confirm its protective effects on organs in animal sepsis models. Pretreatment with CKD-712 dose-dependently increased survival rate in a lipopolysaccharide-induced sepsis model in mice. Body temperature decrease, an important pre-symptom of septic death, was also prevented by CKD-712. CKD-712 still significantly increased survival rate even when administered one and four hours after lipopolysaccharide injection. Therapeutic efficacy of CKD-712 was also confirmed against sepsis following zymosan-induced endotoxemia and in cecal ligation and puncture surgery in mice. In a disseminated intravascular coagulation model in rats, CKD-712 showed organ-protective effect by reducing serum glutamate-oxaloacetate transaminase, glutamate-pyruvate transferase, blood urea nitrogen, and creatinine levels. CKD-712 also prevented histological damage to the lung and liver. In this same model, CKD-712 showed anti-inflammatory effects through decreases in tumor necrosis factor-α and interleukin-6 in the blood and reduced translocation of nuclear factor-κB to the nuclei of lung cells. CKD-712 administration also diminished infiltration of leukocytes into the lung and liver. Taken together, these results show that CKD-712 has excellent potential as an effective medicine for sepsis.
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Affiliation(s)
- Jae-Hwan Park
- Chong Kun Dang Research Institute, CKD Pharmaceuticals Inc., Chonan, Korea
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Im DS. A promising anti-inflammatory and anti-thrombotic drug for sepsis treatment. Arch Pharm Res 2011; 34:339-42. [DOI: 10.1007/s12272-011-0300-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Oh YJ, Youn JH, Min HJ, Kim DH, Lee SS, Choi IH, Shin JS. CKD712, (S)-1-(α-naphthylmethyl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline, inhibits the lipopolysaccharide-stimulated secretion of HMGB1 by inhibiting PI3K and classical protein kinase C. Int Immunopharmacol 2011; 11:1160-5. [PMID: 21457762 DOI: 10.1016/j.intimp.2011.03.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2010] [Revised: 02/23/2011] [Accepted: 03/14/2011] [Indexed: 01/23/2023]
Abstract
CKD712, (S)-1-(α-naphthylmethyl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline, was considered as a new effective drug candidate to sepsis, based on its anti-inflammatory activity. It was reported that CKD712 inhibited various signal pathways which play a key role in production of proinflammatory cytokines. Here, we examined the effect of CKD712 on the secretion of high mobility group box 1 (HMGB1), which is one of the proinflammatory cytokines. CKD712 can reduce Gram-negative lipopolysaccharide (LPS)- and Gram-positive lipoteichoic acid (LTA)-stimulated HMGB1 secretion in RAW264.7 and human peripheral blood monocytes (PBMo), and also reduce LPS-induced nucleocytoplasmic translocation of HMGB1 1h before or after LPS treatment. CKD712 could dose-dependently inhibit the activation of PI3K and PI3K-dependent kinase 1 (PDK1), which are involved in HMGB1 secretion signaling pathway. In addition, CKD712 inhibited classical protein kinase C (cPKC), the effective kinase for phosphorylation of HMGB1 for secretion, however, had no effect on histone acetyl-transferase activity, which is another mechanism known for HMGB1 secretion. Thus, we suggest that CKD712 could inhibit LPS- and LTA-stimulated HMGB1 secretion through the inhibition of HMGB1 phosphorylation by inhibiting PI3K-PKC signaling pathway.
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Affiliation(s)
- Young Joo Oh
- Department of Microbiology, Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul 120-752, Republic of Korea
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2-Substituted (S)-2-(3,3-dimethyl-1-oxo-10,10a-dihydroimidazo[1,5-b]isoquinolin-2(1H,3H,5H)-yl)acetic acids: Conformational prediction, synthesis, anti-thrombotic and vasodilative evaluation. Bioorg Med Chem 2011; 19:871-82. [DOI: 10.1016/j.bmc.2010.12.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2010] [Revised: 12/01/2010] [Accepted: 12/02/2010] [Indexed: 11/19/2022]
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Fan HY, Fu FH, Yang MY, Xu H, Zhang AH, Liu K. Antiplatelet and antithrombotic activities of salvianolic acid A. Thromb Res 2010; 126:e17-22. [PMID: 20451955 DOI: 10.1016/j.thromres.2010.04.006] [Citation(s) in RCA: 96] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2009] [Revised: 04/06/2010] [Accepted: 04/10/2010] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Salvianolic acid A (SAA), the water-soluble phenolic acids in Salvia miltiorrhiza, has shown the most potent bioactivities, including protection against cerebral lesion, defense from oxidative damage and improvement of remembrance. In the present study, we studied the antiplatelet and antithrombotic effects of a newly synthesized SAA with different methods both in vitro and in vivo. MATERIALS AND METHODS We tested the effect of antithrombotic activity of SAA in arterio-venous shunt model. The effects of SAA on adenosine diphosphate (ADP)-, Thrombin-, Arachidonic acid- induced rat platelets aggregation were tested both in vivo and in vitro. The activity of SAA on washed human platelet aggregation was determined by ADP stimulation. We also evaluated its property of modulation of hemorheology, assessed its bleeding side effect by measuring coagulation parameters after intravenous administration for 5 days and investigated the potential mechanisms underlying such activities. RESULTS AND CONCLUSIONS In vivo, SAA significantly reduced thrombus weight in the model of arterio-venous shunt. Meanwhile, SAA increased plasma cAMP level determined by radioimmunoassay in the same model. Intravenously administrated SAA (2.5-10 mg/kg) inhibited platelet aggregation induced by ADP in a dose-dependent manner. Notably, SAA did not affect coagulation parameters in rats after intravenous administration SAA for successive 5 days. In vitro, pretreatment with SAA on washed rat and human platelets significantly inhibited various agonists stimulated platelet aggregation and caused an increase in cAMP level in platelets activated by ADP. These findings support our hypothesis that SAA possesses antithrombotic activities. The antithrombotic effect might be related to its antiplatelet action and ability to modulate hemorheology without affecting coagulation system. The mechanisms underlying such activities may involve the induction of cAMP.
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Affiliation(s)
- Hua-Ying Fan
- College of Life Science, Jilin University, No. 2699 Qian Road, 130012 Changchun, Jilin, PR China
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Zhang X, Wang W, Cheng S, Zhao M, Zheng M, Chang HW, Wu J, Peng S. 2,3-Diamino acid modifying 3S-tetrahydroisoquinoline-3-carboxylic acids: leading to a class of novel agents with highly unfolded conformation, selective in vitro anti-platelet aggregation and potent in vivo anti-thrombotic activity. Bioorg Med Chem 2010; 18:1536-54. [PMID: 20122838 DOI: 10.1016/j.bmc.2010.01.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2009] [Revised: 01/01/2010] [Accepted: 01/05/2010] [Indexed: 10/20/2022]
Abstract
In the preparation of anti-thrombotic agents the 2- and 3-positions of 3S-tetra-hydroisoquinoline-3-carboxylic acid (THIQA) were simultaneously modified with amino acids to form 20 novel N-(3S-N-aminoacyl-1,2,3,4-tetrahydroisoquinoline-3-carbonyl)amino acids (8a-t). On an in vitro platelet aggregation model 8a-t selectively inhibit ADP-induced platelet aggregation and their IC(50) values are leas than 3.5 nM. On an extracorporeal circulation of arterioveinos cannula model of rats both orally and intraveously effective doses of 8a-t are less than 30 nmol/kg. Cerius(2) based stereoview of explores 8a-t having highly unfolded conformation. 3D QSAR analysis gives the importance of the unfolded conformation to high in vitro anti-platelet aggregation and in vivo anti-thrombotic potency rational understanding.
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Affiliation(s)
- Xiaoyi Zhang
- College of Pharmaceutical Sciences, Capital Medical University, Beijing 100069, PR China
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A class of novel N-(3S-1,2,3,4-tetrahydroisoquinoline-3-carbonyl)-l-amino acid derivatives: their synthesis, anti-thrombotic activity evaluation, and 3D QSAR analysis. Eur J Med Chem 2009; 44:4904-19. [DOI: 10.1016/j.ejmech.2009.08.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2009] [Revised: 07/02/2009] [Accepted: 08/03/2009] [Indexed: 11/18/2022]
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Pyo MK, Lee DH, Kim DH, Lee JH, Moon JC, Chang KC, Yun-Choi HS. Enantioselective synthesis of (R)-(+)- and (S)-(−)-higenamine and their analogues with effects on platelet aggregation and experimental animal model of disseminated intravascular coagulation. Bioorg Med Chem Lett 2008; 18:4110-4. [DOI: 10.1016/j.bmcl.2008.05.094] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2008] [Revised: 04/03/2008] [Accepted: 05/23/2008] [Indexed: 11/26/2022]
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Chaea HJ, Kim HR, Kang YJ, Hyun KC, Kim HJ, Seo HG, Lee JH, Yun-Choi HS, Chang KC. Heme oxygenase-1 induction by (S)-enantiomer of YS-51 (YS-51S), a synthetic isoquinoline alkaloid, inhibits nitric oxide production and nuclear factor-kappaB translocation in ROS 17/2.8 cells activated with inflammatory stimulants. Int Immunopharmacol 2007; 7:1559-68. [PMID: 17920533 DOI: 10.1016/j.intimp.2007.07.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2007] [Revised: 07/18/2007] [Accepted: 07/25/2007] [Indexed: 12/21/2022]
Abstract
Activation of the inducible nitric oxide synthase (iNOS) pathway contributes to inflammation-induced osteoporosis by suppressing bone formation and causing osteoblast apoptosis. We investigated the mechanism of action by which YS-51S, a synthetic isoquinoline alkaloid, inhibits iNOS expression and nitric oxide (NO) production in ROS 17/28 osteoblast cells activated with the mixture of TNF-alpha, IFN-gamma and LPS (MIX). YS-51S, concentration- and time-dependently, increased heme oxygenase (HO-1) expression. Treatment with YS-51S 1 h prior to MIX significantly reduced MIX-induced NO production and iNOS expression with the IC50 to NO production of 47+/-3.3 microM. Electrophoretic mobility shift assay (EMSA) and western blot analysis showed that YS-51S inhibited MIX-mediated activation and translocation of NF-kappaB to nucleus by suppressing the degradation of its inhibitory protein IkappaBalpha in cytoplasm. YS-51S also reduced NF-kappaB-luciferase activity. In addition, an HO-1 inhibitor ZnPPIX, antagonized the inhibitory effect of YS-51S on iNOS expression and DNA strand break induced by MIX, indicating prevention of NO production by YS-51S is associated with HO-1 activity. Moreover, YS-51S inhibited the oxidation of cytochrome c(2+) by peroxynitrite (PN). Our results indicated that YS-51S may be beneficial in NO-mediated inflammatory conditions such as rheumatoid arthritis by alleviating iNOS expression and NO-mediated cell death of osteoblast with 1) inducing HO-1 expression, 2) interfering the activation of NF-kappaB and 3) quenching of PN.
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Affiliation(s)
- Han-Jung Chaea
- Department of Pharmacology and Institute of Cardiovascular Research, Chonbuk National University Medical School, Chonju, 560-180, Republic of Korea
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Heo JM, Kim HJ, Ha YM, Park MK, Kang YJ, Lee YS, Seo HG, Lee JH, Yun-Choi HS, Chang KC. YS 51, 1-(beta-naphtylmethyl)-6,7-dihydroxy-1,2,3,4,-tetrahydroisoquinoline, protects endothelial cells against hydrogen peroxide-induced injury via carbon monoxide derived from heme oxygenase-1. Biochem Pharmacol 2007; 74:1361-70. [PMID: 17719563 DOI: 10.1016/j.bcp.2007.07.023] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2007] [Revised: 06/28/2007] [Accepted: 07/11/2007] [Indexed: 01/21/2023]
Abstract
Oxidative stress plays an important role in the pathophysiology of several vascular diseases such as atherosclerosis, and great attention has been placed on the protective role of heme oxygenase-1 (HO-1) for vasculature against oxidant-induced injury. We tested whether the protective effects of YS 51, 1-(beta-naphtyl-methyl)-6,7-dihydroxy-1,2,3,4,-tetrahydroisoquinoline, against hydrogen peroxide (H2O2)-induced cell injury is associated with HO-1 activity in bovine aortic endothelial cells (BAEC). YS 51 increased HO-1 expression and activity in concentration-dependent manners (10-100 microM) and time-dependent manners (1, 3, 6, 18 h), which were correlated well with its protective effect against H2O2-induced injury. Zinc protoporphyrin IX (ZnPP IX), a HO inhibitor, significantly inhibited the effect of YS 51 (50 microM). In contrast, [Ru(CO)3(Cl)2]2 (CORM-2, a CO releasing molecule) but not bilirubin protected against H2O2-induced injury. Oxyhemoglobin (HbO2) used as a CO scavenger significantly inhibited the protective effect of both YS 51 and CORM-2. Furthermore, both YS 51 and CORM-2 significantly reduced H2O2-induced intracellular reactive oxygen species (ROS) production; however, this was counteracted by ZnPP IX, HbO2 and deferoxamine. We found evidence for the involvement of PI3/Akt kinase and ERK1/2 pathways in HO-1 induction by YS-51. Taken together, we conclude that CO is, at least, responsible for the YS 51-mediated protective action of endothelial cells against oxidant stress via HO-1 gene induction, involving the activation of the PI3/Akt and ERK1/2 kinase pathways. Thus, YS 51 may be useful in oxidative stress-induced vascular disorders.
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Affiliation(s)
- Ja Myung Heo
- Department of Pharmacology, School of Medicine and Institute of Health Sciences, Gyeongsang National University, 92 Chilam-dong, Jinju 660-751, South Korea
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Pyo MK, Kim JM, Jin JL, Chang KC, Lee DH, Yun-Choi HS. Effects of higenamine and its 1-naphthyl analogs, YS-49 and YS-51, on platelet TXA2 synthesis and aggregation. Thromb Res 2007; 120:81-6. [PMID: 17020781 DOI: 10.1016/j.thromres.2006.07.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2006] [Revised: 07/14/2006] [Accepted: 07/31/2006] [Indexed: 11/15/2022]
Abstract
The effects of higenamine and its 1-naphthyl analogs, YS-49 and YS-51, on thromboxane A(2) (TXA(2)) formation from arachidonic acid (AA) and aggregation in platelets, were investigated. YS-49 and YS-51 (IC(50); 32.8 and 39.4 microM respectively) exhibited much stronger inhibitory effects on TXA(2) formation than higenamine (IC(50); 2.99 mM). The higher inhibitory potencies of YS-49 and YS-51 (IC(50): 3.3 and 5.7 microM respectively) than higenamine (IC(50): 140 microM) on AA induced rat platelet aggregation was presumed to be the result of low inhibitory effect of higenamine than YS-49 and YS-51 on TXA(2) production from AA. Among the present three compounds, the more hydrophobic naphthylmethyl groups were supposed to be more favorable than p-hydroxybenzyl moiety, at 1-position of the tetrahydroisoquinoline ring, to display the inhibitory effects on TXA(2) production and AA induced aggregation of platelets. In addition, higenamine, YS-49 and YS-51 were observed directly antagonistic on TXA(2) receptor (TP receptors) by displaying inhibitory effects to U46619 (TXA(2) mimetic) induced platelet aggregation, however all of the three compounds showed similar order of inhibitory potencies. The present results are suggestive that YS-49 and YS-51 exert their inhibitory effects on AA-induced platelet aggregation partly by inhibiting the production of TXA(2) from AA and partly by directly blocking the TP receptor, in addition to the previously reported effects on alpha(2)-adrenergic receptor. On the other hand, higenamine is supposed to antagonize AA-induced platelet aggregation by mostly directly blocking the TP receptor.
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Affiliation(s)
- Mi Kyung Pyo
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 110-460, Korea.
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Park JE, Kang YJ, Park MK, Lee YS, Kim HJ, Seo HG, Lee JH, Hye Sook YC, Shin JS, Lee HW, Ahn SK, Chang KC. Enantiomers of higenamine inhibit LPS-induced iNOS in a macrophage cell line and improve the survival of mice with experimental endotoxemia. Int Immunopharmacol 2006; 6:226-33. [PMID: 16399627 DOI: 10.1016/j.intimp.2005.08.007] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2005] [Revised: 07/25/2005] [Accepted: 08/15/2005] [Indexed: 10/25/2022]
Abstract
The importance of development of single enantiomers (optically pure isomers) of chiral molecules has been recognized and manifested in countless pharmaceutical and biological advancement. (RS)-(+/-)-Higenamine (racemic mixture), an active ingredient of Aconite tuber, has been shown to have antioxidant activity along with inhibitory action of iNOS expression in various cells. In the present study, the effects of each enantiomer of higenamine [(S)-(-)-higenamine and (R)-(+)-higenamine] were investigated in comparison with the effects of racemic mixture [(RS)-(+/-)-higenamine] on iNOS expression and NO production in RAW 264.7 cells activated with LPS. In addition, the effects of higenamine enantiomers on the survival rates were also investigated using mice, in which each test compound was injected (i.p.) 90 min prior to LPS. All three forms of higenamine inhibited iNOS expression and reduced NO production with IC50 of 26.2, 86.3, and 53.4 microM, for (S)-, (R)-, and (RS)-higenamine, respectively. (S)-higenamine also significantly reduced serum NOx level and increased survival rates in LPS-treated mice. In contrast, (R)-isomer only showed tendency to increase the survival rates which was not statistically significant when compared to LPS-treated controls. Taken together, it was concluded that (S)-higenamine may be more beneficial than (R)-enantiomer in diseases associated with iNOS over-expression, such as septic shock.
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Affiliation(s)
- Jee Eun Park
- Department of Pharmacology, School of Medicine and Institute of Health Sciences, Gyeongsang National University, Jinju, South Korea
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Kang YJ, Seo SJ, Yun-Choi HS, Lee DH, Kim YM, Chang KC. A synthetic isoquinoline alkaloid, 1-(beta-naphthylmethyl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline (YS 51), reduces inducible nitric oxide synthase expression and improves survival in a rodent model of endotoxic shock. J Pharmacol Exp Ther 2002; 301:561-7. [PMID: 11961057 DOI: 10.1124/jpet.301.2.561] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
In the present study, the effects of 1-(beta-naphthylmethyl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline (YS 51), a positional isomer of 1-(alpha-naphthylmethyl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline (YS 49), on nitric oxide production and inducible nitric oxide synthase (iNOS) mRNA expression were investigated in RAW 264.7 cells, mouse monocyte macrophage, exposed to lipopolysaccharide (LPS) plus interferon (IFN)-gamma. In addition, the effects of YS 51 on vascular reactivity in vitro and ex vivo, iNOS protein expression (rat lung) and survival rate (mice), were also investigated in LPS-treated rodents. Treatment with YS 51 reduced not only nitric oxide production (IC(50), 23.5 microM), but also expression of iNOS mRNA in RAW 264.7 cells in a concentration-dependent manner. Incubation of rat endothelium-denuded thoracic aorta with LPS (300 ng/ml) for 8 h in vitro resulted in suppression of vasoconstrictor effects to phenylephrine, which was restored by coincubation with YS 51. Treatment with YS 51 before (30 min) injection of LPS resulted in significant reduction of the expression of iNOS protein in rat lung tissue and restored the vascular contractility to 9,11-dideoxy-11alpha,9alpha-epoxymethanoprostaglandin F(2alpha) (U46619), ex vivo. The plasma concentration of nitrite/nitrate (NOx) level was significantly (p < 0.01) reduced by YS 51 (10 and 20 mg/kg, i.p) in LPS-treated (10 mg/kg, i.p) rats. Furthermore, YS 51 significantly increased the survival rate in LPS-injected mice. In RAW 264.7 cells, YS 51 inhibited the formation of nuclear factor-kappaB-DNA complex and iNOS promoter activity in a concentration-dependent manner, indicating that iNOS gene expression was modified transcriptionally by YS 51. These data strongly suggest that YS 51, a positional isomer of YS 49, might be beneficial in septic shock and/or endotoxin-induced inflammatory disorders.
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Affiliation(s)
- Young Jin Kang
- Department of Pharmacology, College of Medicine, Gyeongsang National University, Jinju, Korea
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