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Zhao P, Tian Y, Geng Y, Zeng C, Ma X, Kang J, Lu L, Zhang X, Tang B, Geng F. Aconitine and its derivatives: bioactivities, structure-activity relationships and preliminary molecular mechanisms. Front Chem 2024; 12:1339364. [PMID: 38318112 PMCID: PMC10839071 DOI: 10.3389/fchem.2024.1339364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 01/12/2024] [Indexed: 02/07/2024] Open
Abstract
Aconitine (AC), which is the primary bioactive diterpene alkaloid derived from Aconitum L plants, have attracted considerable interest due to its unique structural feature. Additionally, AC demonstrates a range of biological activities, such as its ability to enhance cardiac function, inhibit tumor growth, reduce inflammation, and provide analgesic effects. However, the structure-activity relationships of AC are remain unclear. A clear understanding of these relationships is indeed critical in developing effective biomedical applications with AC. In line with these challenges, this paper summarized the structural characteristics of AC and relevant functional and bioactive properties and the structure-activity relationships presented in biomedical applications. The primary temporal scope of this review was established as the period spanning from 2010 to 2023. Subsequently, the objective of this review was to provide a comprehensive understanding of the specific action mechanism of AC, while also exploring potential novel applications of AC derivatives in the biomedical field, drawing upon their structural characteristics. In conclusion, this review has provided a comprehensive analysis of the challenges and prospects associated with AC in the elucidation of structure-bioactivity relationships. Furthermore, the importance of exploring modern biotechnology approaches to enhance the potential biomedical applications of AC has been emphasized.
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Affiliation(s)
- Pengyu Zhao
- School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Ye Tian
- Guizhou Yunfeng Pharmaceutical Co., Ltd., Qianxinan Buyi and Miao Autonomous Prefecture, China
| | - Yuefei Geng
- Sichuan Key Laboratory of Medical American Cockroach, Chengdu, China
| | - Chenjuan Zeng
- Guizhou Yunfeng Pharmaceutical Co., Ltd., Qianxinan Buyi and Miao Autonomous Prefecture, China
| | - Xiuying Ma
- Sichuan Key Laboratory of Medical American Cockroach, Chengdu, China
| | - Jie Kang
- Guizhou Yunfeng Pharmaceutical Co., Ltd., Qianxinan Buyi and Miao Autonomous Prefecture, China
| | - Lin Lu
- Sichuan Engineering Research Center for Medicinal Animals, Chengdu, China
| | - Xin Zhang
- Sichuan Good Doctor Pharmaceutical Group, Chengdu, China
| | - Bo Tang
- Sichuan Engineering Research Center for Medicinal Animals, Chengdu, China
| | - Funeng Geng
- Sichuan Key Laboratory of Medical American Cockroach, Chengdu, China
- Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Chen DT, Rao W, Shen X, Chen L, Wan ZJ, Sheng XP, Fan TY. Pharmacological effects of higenamine based on signalling pathways and mechanism of action. Front Pharmacol 2022; 13:981048. [PMID: 36188548 PMCID: PMC9520082 DOI: 10.3389/fphar.2022.981048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 08/29/2022] [Indexed: 11/13/2022] Open
Abstract
Higenamine (HG) is a chemical compound found in various plants, such as aconite. Recent pharmacological studies have demonstrated its effectiveness in the management of many diseases. Several mechanisms of action of HG have been proposed; however, they have not yet been classified. This review summarises the signalling pathways and pharmacological targets of HG, focusing on its potential as a naturally extracted drug. Articles related to the pharmacological effects, signalling pathways and pharmacological targets of HG were selected by searching the keyword “Higenamine” in the PubMed, Web of Science and Google Scholar databases without limiting the search by publication years. HG possesses anti-oxidant, anti-apoptotic, anti-inflammatory, electrophysiology regulatory, anti-fibrotic and lipid-lowering activities. It is a structural analogue of catecholamines and possesses characteristics similar to those of adrenergic receptor ligands. It can modulate multiple targets, including anti-inflammation- and anti-apoptosis-related targets and some transcription factors, which directly or indirectly influence the disease course. Other naturally occurring compounds, such as cucurbitacin B (Cu B) and 6-gingerol (6-GR), can be combined with HG to enhance its anti-apoptotic activity. Although significant research progress has been made, follow-up pharmacological studies are required to determine the exact mechanism of action, new signalling pathways and targets of HG and the effects of using it in combination with other drugs.
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Affiliation(s)
- De-ta Chen
- Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Wu Rao
- Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xue Shen
- Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Lin Chen
- Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zi-jian Wan
- Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiao-ping Sheng
- Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- *Correspondence: Tian-you Fan, ; Xiao-ping Sheng,
| | - Tian-you Fan
- Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
- *Correspondence: Tian-you Fan, ; Xiao-ping Sheng,
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Wen J, Li M, Zhang W, Wang H, Bai Y, Hao J, Liu C, Deng K, Zhao Y. Role of Higenamine in Heart Diseases: A Mini-Review. Front Pharmacol 2022; 12:798495. [PMID: 35082678 PMCID: PMC8784381 DOI: 10.3389/fphar.2021.798495] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 11/29/2021] [Indexed: 01/22/2023] Open
Abstract
Higenamine, a natural product with multiple targets in heart diseases, is originally derived from Aconitum, which has been traditionally used in China for the treatment of heart disease, including heart failure, arrhythmia, bradycardia, cardiac ischemia/reperfusion injury, cardiac fibrosis, etc. This study is aimed to clarify the role of higenamine in heart diseases. Higenamine has effects on improving energy metabolism of cardiomyocytes, anti-cardiac fibroblast activation, anti-oxidative stress and anti-apoptosis. Accumulating evidence from various studies has shown that higenamine exerts a wide range of cardiovascular pharmacological effects in vivo and in vitro, including alleviating heart failure, reducing cardiac ischemia/reperfusion injury, attenuating pathological cardiac fibrosis and dysfunction. In addition, several clinical studies have reported that higenamine could continuously increase the heart rate levels of healthy volunteers as well as patients with heart disease, but there are variable effects on systolic blood pressure and diastolic blood pressure. Moreover, the heart protection and therapeutic effects of higenamine on heart disease are related to regulating LKB1/AMPKα/Sirt1, mediating the β2-AR/PI3K/AKT cascade, induction of heme oxygenase-1, suppressing TGF-β1/Smad signaling, and targeting ASK1/MAPK (ERK, P38)/NF-kB signaling pathway. However, the interventional effects of higenamine on heart disease and its underlying mechanisms based on experimental studies have not yet been systematically reviewed. This paper reviewed the potential pharmacological mechanisms of higenamine on the prevention, treatment, and diagnosis of heart disease and clarified its clinical applications. The literature shows that higenamine may have a potent effect on complex heart diseases, and proves the profound medicinal value of higenamine in heart disease.
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Affiliation(s)
- Jianxia Wen
- School of Food and Bioengineering, Xihua University, Chengdu, China
| | - Mingjie Li
- Department of Pathology, First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Wenwen Zhang
- School of Food and Bioengineering, Xihua University, Chengdu, China
| | - Haoyu Wang
- School of Food and Bioengineering, Xihua University, Chengdu, China
| | - Yan Bai
- School of Food and Bioengineering, Xihua University, Chengdu, China
| | - Junjie Hao
- College of Pharmaceutical Science, Yunnan University of Chinese Medicine, Kunming, China
| | - Chuan Liu
- School of Food and Bioengineering, Xihua University, Chengdu, China
| | - Ke Deng
- School of Food and Bioengineering, Xihua University, Chengdu, China
| | - Yanling Zhao
- Department of Pharmacy, Chinese PLA General Hospital, Beijing, China
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Rangelov Kozhuharov V, Ivanov K, Ivanova S. Higenamine in Plants as a Source of Unintentional Doping. PLANTS (BASEL, SWITZERLAND) 2022; 11:354. [PMID: 35161335 PMCID: PMC8838985 DOI: 10.3390/plants11030354] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 01/24/2022] [Accepted: 01/26/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Higenamine is a β2 agonist of plant origin. The compound has been included in WADA's prohibited list since 2017. Higenamine may be detected in different plants and many food supplements of natural origin. METHODS Our literature search was conducted through PubMed, Science Direct, Google Scholar, and Web of Science studies investigating the presence of higenamine in plants that are used in traditional folk medicine or included in food supplements. Our study aimed to assess the risk of adverse analytical findings caused by higenamine-containing plants. RESULTS Based on our literature search, Nelumbo nucifera, Tinospora crispa, Nandina domestica, Gnetum parvifolium, Asarum siebodii,Asarum heterotropoides, Aconitum carmichaelii, and Aristolochia brasiliensis are higenamine-containing plants. Based on data from Eastern folk medicine, these plants can provide numerous health benefits. Professional athletes likely ingest these plants without knowing that they contain higenamine; these herbs are used in treatments for different conditions and various foods/food supplements in addition to folk medicine. CONCLUSION Athletes and their teams must be aware of the issues associated with the use of plant-based products. They should avoid consuming higenamine-containing plants during and outside of competition periods.
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Chang WCW, Yen CC, Liu WY, Hsieh YS, Hsu MC, Wu YT. Blood-to-muscle distribution and urinary excretion of higenamine in rats. Drug Test Anal 2021; 13:1776-1782. [PMID: 34309209 DOI: 10.1002/dta.3132] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 06/17/2021] [Accepted: 07/18/2021] [Indexed: 11/11/2022]
Abstract
Higenamine is a β2 -agonist that has been prohibited in sports by the World Anti-Doping Agency. Higenamine could potentially promote anabolism and lipolysis; however, its crucial pharmacokinetics data, particularly muscle distribution, remain unavailable. The present study aims to investigate the blood-to-muscle distribution as well as the urinary excretion of higenamine in laboratory rats. In the first experiment, the microdialysis technique was employed to continuously measure free, protein-unbound concentrations in blood and muscle for 90 min (sampling at a 5-min interval) after rats received IV infusion of higenamine. The mean half-lives of higenamine in blood and muscle were 17.9 and 19.0 min, respectively. The blood-to-muscle distribution ratio (AUCmuscle /AUCblood ) of higenamine was estimated to be 22%. In the second experiment, rats were orally administered with a single-dose higenamine and their urine samples were profiled at a 12-h interval for up to 48 h. Results showed only a small portion of total consumption (1.44%, ranging 0.71%-2.50%) was excreted in the urine. Among these time points, about 43% cumulative amount of higenamine was eliminated within the first 12 h. Our data suggested that one-quarter of the unbound higenamine rapidly penetrates from the vessels into muscle, distributes to the interstitial fluid, then eliminates from the rat in a short span of time. The muscle tissue is likely to have a low binding affinity for higenamine, and renal excretion plays a minor role in its elimination. Together, our findings provide valuable pharmacokinetics data that may gain deeper insights into higenamine's role in skeletal muscle functions.
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Affiliation(s)
| | - Ching-Chi Yen
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Wan-Yi Liu
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Yun-Shan Hsieh
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Mei-Chich Hsu
- Department of Sports Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Yu-Tse Wu
- School of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan.,Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung, Taiwan
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Zhu JX, Ling W, Xue C, Zhou Z, Zhang YS, Yan C, Wu MP. Higenamine attenuates cardiac fibroblast abstract and fibrosis via inhibition of TGF-β1/Smad signaling. Eur J Pharmacol 2021; 900:174013. [PMID: 33766620 DOI: 10.1016/j.ejphar.2021.174013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 02/21/2021] [Accepted: 02/28/2021] [Indexed: 11/25/2022]
Abstract
RATIONALE Higenamine (HG), is one of the main active components in many widely used Chinese herbs, and a common ingredient of health products in Europe and North America. Several groups, including our own, have previously shown the beneficial effects of HG against cardiomyocyte death during acute ischemic damage. However, the effect of HG on chronic cardiac remodeling, such as cardiac fibrosis, remains unknown. OBJECTIVE Herein, we aim to investigate the role of HG in cardiac fibrosis in vivo as well as its cellular and molecular mechanisms. METHODS AND RESULTS Chronic pressure overload with transverse aortic constriction (TAC) significantly increased cardiac hypertrophy, fibrosis, and cardiac dysfunction in mice, which were significantly attenuated by HG. Consistently, cardiac fibrosis induced by the chronic infusion of isoproterenol (ISO), was also significantly reduced by HG. Interestingly, our results showed that HG had no effect on adult mouse CM hypertrophy in vitro. However, HG suppressed the activation of cardiac fibroblasts (CFs) in vitro. Furthermore, TGF-β1-induced expression of ACTA2, a marker of fibroblast activation, was significantly suppressed by HG. Concomitantly, HG inhibited TGF-β1-induced phosphorylation of Smad2/3 in CFs. HG also reduced the expression of extracellular matrix molecules such as collagen I and collagen III. To our surprise, the inhibitory effect of HG on CFs activation was independent of the activation of the beta2 adrenergic receptor (β2-AR) that is known to mediate the effect of HG on antagonizing CMs apoptosis. CONCLUSION Our findings suggest that HG ameliorates pathological cardiac fibrosis and dysfunction at least partially by suppressing TGF-β1/Smad signaling and CFs activation.
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Affiliation(s)
- Jin-Xing Zhu
- Department of Cardiology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 274 Zhijiang RD, Shanghai, 200071, China; Department of Emergency Intensive Care Unit, Traditional Chinese Hospital of LuAn, Anhui University of Traditional Chinese Medicine, 76 Renmin RD, LuAn Anhui, 237001, China
| | - Wang Ling
- Department of Cardiology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 274 Zhijiang RD, Shanghai, 200071, China
| | - Chao Xue
- Aab Cardiovascular Research Institute, School of Medicine and Dentistry, University of Rochester, 601 Elmwood Ave Box CVRI, Rochester, NY, 14642, United States
| | - Zhen Zhou
- Department of Cardiology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 274 Zhijiang RD, Shanghai, 200071, China
| | - Yi-Shuai Zhang
- Aab Cardiovascular Research Institute, School of Medicine and Dentistry, University of Rochester, 601 Elmwood Ave Box CVRI, Rochester, NY, 14642, United States
| | - Chen Yan
- Aab Cardiovascular Research Institute, School of Medicine and Dentistry, University of Rochester, 601 Elmwood Ave Box CVRI, Rochester, NY, 14642, United States
| | - Mei-Ping Wu
- Department of Cardiology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, 274 Zhijiang RD, Shanghai, 200071, China; Aab Cardiovascular Research Institute, School of Medicine and Dentistry, University of Rochester, 601 Elmwood Ave Box CVRI, Rochester, NY, 14642, United States.
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Metabolomics coupled with integrated approaches reveal the therapeutic effects of higenamine combined with [6]-gingerol on doxorubicin-induced chronic heart failure in rats. Chin Med 2020; 15:120. [PMID: 33292391 PMCID: PMC7670783 DOI: 10.1186/s13020-020-00403-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 11/11/2020] [Indexed: 12/19/2022] Open
Abstract
Background This study was aimed to investigate the therapeutic effects and potential mechanism of higenamine combined with [6]-gingerol (HG/[6]-GR) against doxorubicin (DOX)—induced chronic heart failure (CHF) in rats. Materials and methods Therapeutic effects of HG/[6]-GR on hemodynamics indices, serum biochemical indicators, histopathology and TUNEL staining of rats were assessed. Moreover, a UHPLC-Q-TOF/MS-based serum metabolic approach was performed to identify the metabolites and possible pathways of HG/[6]-GR on DOX-induced CHF. Results HG/[6]-GR had effects on regulating hemodynamic indices, alleviating serum biochemical indicators, improving the pathological characteristics of heart tissue and reducing the apoptosis of myocardial cells. Serum metabolisms analyses indicated that the therapeutic effects of HG and [6]-GR were mainly associated with the regulation of eight metabolites, including acetylphosphate, 3-Carboxy-1-hydroxypropylthiamine diphosphate, coenzyme A, palmitic acid, PE(O-18:1(1Z)/20:4(5Z,8Z,11Z,14Z)), oleic acid, lysoPC(18:1(9Z)), and PC(16:0/16:0). Pathway analysis showed that HG/[6]-GR on CHF treatment was related to twelve pathways, including glycerophospholipid metabolism, fatty acid metabolism, pantothenate and CoA biosynthesis, citrate cycle (TCA cycle), pyruvate metabolism, and arachidonic acid metabolism. Serum metabolites and metabolic pathways regulated by HG/[6]-GR appear to be related to energy metabolism. Conclusion Multivariate statistical analysis has provided new insights for understanding CHF and investigating the therapeutic effects and mechanisms of HG/[6]-GR, which influencing the metabolites and pathways related to energy metabolism pathway.
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Guan J, Lin H, Xie M, Huang M, Zhang D, Ma S, Bian W, Zhan Q, Zhao G. Higenamine exerts an antispasmodic effect on cold-induced vasoconstriction by regulating the PI3K/Akt, ROS/α2C-AR and PTK9 pathways independently of the AMPK/eNOS/NO axis. Exp Ther Med 2019; 18:1299-1308. [PMID: 31316621 DOI: 10.3892/etm.2019.7656] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 04/26/2019] [Indexed: 12/11/2022] Open
Abstract
The present study aimed to investigate the antispasmodic effect of higenamine on cold-induced cutaneous vasoconstriction and the underlying molecular mechanisms. A cold-induced cutaneous vasoconstriction rat model was established and different doses of higenamine were delivered by intravenous injection. The changes of cutaneous regional blood flow (RBF) between groups were analyzed. In vitro, the proliferation of human dermal microvascular endothelial cells was measured by MTT. The NO concentration was detected by a nitrate reductase assay. Flow cytometry was applied to measure reactive oxygen species (ROS) levels. The protein expression levels were detected by western blotting. The results demonstrated that in the model group, RBF declined compared with the normal control group, but was reversed by treatment with higenamine. The expression of endothelial nitric oxide synthase (eNOS), phosphorylated (p)-eNOS, protein kinase B (Akt1), p-Akt1, AMP-activated protein kinase (AMPK) α1 and p-AMPKα1 was upregulated by hypothermic treatment but was reversed by higenamine treatment. Treatment with higenamine significantly reduced the level of intracellular α2C-adrenoreceptor (AR) compared with the hypothermia group (P<0.05). Furthermore, the expression of twinfilin-1 (PTK9) was downregulated in the higenamine and positive control groups compared with the hypothermia group (P<0.05). Compared with the hypothermia group, the levels of ROS and α2C-AR (intracellular & membrane) were decreased in higenamine and the positive control group (P<0.05 and P<0.01, respectively). This study, to the best of our knowledge, is the first to assess the effects of higenamine on cold-induced vasoconstriction in vivo and its molecular mechanisms on the PI3K/Akt, AMPK/eNOS/nitric oxide, ROS/α2C-AR and PTK9 signaling pathways under hypothermia conditions. Higenamine may be a good therapeutic option for Raynaud's phenomenon (RP) and cold-induced vasoconstriction.
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Affiliation(s)
- Jianhua Guan
- Scientific Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, P.R. China
| | - Haoming Lin
- Scientific Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, P.R. China
| | - Meijing Xie
- Scientific Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, P.R. China
| | - Meina Huang
- Scientific Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, P.R. China
| | - Di Zhang
- Scientific Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, P.R. China
| | - Shengsuo Ma
- Scientific Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, P.R. China
| | - Wenyan Bian
- Scientific Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, P.R. China
| | - Qianxing Zhan
- Scientific Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, P.R. China
| | - Guoping Zhao
- Scientific Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou, Guangdong 510632, P.R. China
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Wen J, Wang J, Li P, Wang R, Wang J, Zhou X, Zhang L, Li H, Wei S, Cai H, Zhao Y. Protective effects of higenamine combined with [6]-gingerol against doxorubicin-induced mitochondrial dysfunction and toxicity in H9c2 cells and potential mechanisms. Biomed Pharmacother 2019; 115:108881. [PMID: 31028997 DOI: 10.1016/j.biopha.2019.108881] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 04/01/2019] [Accepted: 04/11/2019] [Indexed: 11/19/2022] Open
Abstract
Higenamine (HG) is a well-known selective activator of beta2-adrenergic receptor (β2-AR) with a positive inotropic effect. The present study showed that HG combined with [6]-gingerol (HG/[6]-GR) protects H9c2 cells from doxorubicin (DOX)-induced mitochondrial energy metabolism disorder and respiratory dysfunction. H9c2 cells were pretreated with HG/[6]-GR for 2 h before DOX treatment in all procedures. Cell viability was quantified by a cell counting kit‑8 assay. Cardiomyocyte morphology, proliferation, and mitochondrial function were detected by a high content screening (HCS) assay. Cell mitochondrial stress was measured by a Seahorse XFp analyzer. To further investigate the protective mechanism of HG/[6]-GR, mRNA and protein expression levels of PPARα/PGC-1α/Sirt3 pathway-related molecules were detected. The present data demonstrated that protective effects of HG/[6]-GR combination were presented in mitochondria, which increased cell viability, ameliorated DOX-induced mitochondrial dysfunction, increased mitochondrial oxygen consumption rate (OCR) and extracellular acidification rate (ECAR). Most importantly, the protective effects were abrogated by GW6471 (a PPARα inhibitor) and ameliorated by Wy14643 (a PPARα agonist). Moreover, the combined use of HG and [6]-GR exerted more profound protective effects than either drug as a single agent. In conclusion, the results suggested that HG/[6]-GR ameliorates DOX-induced mitochondrial energy metabolism disorder and respiratory function impairment in H9c2 cells, and it indicated that the protective mechanism may be related to upregulation of the PPARα/PGC-1α/Sirt3 pathway, which promotes mitochondrial energy metabolism and protects against heart failure.
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Affiliation(s)
- Jianxia Wen
- College of Pharmacy, Provincial and State Key Laboratory Breeding Base of System Research, Development and Utilization of Chinese Herbal Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China; Department of Pharmacy, The Fifth Medical Center of PLA General Hospital, Beijing, China
| | - Jian Wang
- College of Pharmacy, Provincial and State Key Laboratory Breeding Base of System Research, Development and Utilization of Chinese Herbal Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
| | - Pengyan Li
- China Military Institute of Chinese Medicine, The Fifth Medical Center of PLA General Hospital, Beijing, China
| | - Ruilin Wang
- Integrative Medical Center, The Fifth Medical Center of PLA General Hospital, Beijing, China
| | - Jiabo Wang
- China Military Institute of Chinese Medicine, The Fifth Medical Center of PLA General Hospital, Beijing, China
| | - Xuelin Zhou
- Department of Pharmacology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Lu Zhang
- College of Pharmacy, Zhejiang University of Chinese Medicine, Hangzhou, China
| | - Haotian Li
- Department of Pharmacy, The Fifth Medical Center of PLA General Hospital, Beijing, China
| | - Shizhang Wei
- Department of Pharmacy, The Fifth Medical Center of PLA General Hospital, Beijing, China
| | - Huadan Cai
- Department of Pharmacy, The Fifth Medical Center of PLA General Hospital, Beijing, China
| | - Yanling Zhao
- Department of Pharmacy, The Fifth Medical Center of PLA General Hospital, Beijing, China.
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Wang Y, Geng J, Jiang M, Li C, Han Y, Jiang J. The cardiac electrophysiology effects of higenamine in guinea pig heart. Biomed Pharmacother 2018; 109:2348-2356. [PMID: 30551494 DOI: 10.1016/j.biopha.2018.10.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 09/30/2018] [Accepted: 10/04/2018] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Higenamine (HG) is an active compound derived from Aconiti root with a cardiotonic effect. It has been approved by the Chinese SFDA for clinical trials due to its effect as a potent inotropic and chronotropic agent in the heart. However, the direct mode of action of HG on cardiac electrophysiology is unclear. METHODS The experiments were performed at both cell levels and the isolated organ. The major cardiac ion currents and the action potential duration (APD) were measured using patch-clamps in single guinea-pig left ventricular myocytes. ECG was recorded in isolated guinea pig hearts. RESULTS In the left ventricular myocytes, HG increased ICa-L and IKs in concentration- and voltage-dependent manners in the left ventricular myocytes. It potentiated the ICa-L and IKs simultaneously for synchronization. The EC50 values were 0.27 μM and 0.64 μM for the ICa-L and IKs, respectively. HG (0.1 μM, 0.5 μM and 1 μM) had no effect on the IKr and INa. HG slightly prolonged APD at lower concentrations, and shortened the APD at higher concentrations. HG can induce the delayed after depolarization (DAD), which showed some pro-arrhythmic effect. In the isolated perfused heart, HG increased the heart rate via an action on the sinoatrial node cells, but did not induce cardiac arrhythmias, even at high concentrations. The EC50 value for the sinoatrial node that controls the heart rate was 0.13 μM. The sinoatrial node cells appeared to be more sensitive than ventricular myocytes to HG. The effects of HG on ventricular cells and sinoatrial node cells were both mediated through stimulation of β1-AR. CONCLUSION We show for the first time that HG produced a predominant action on the sinoatrial node. HG appears to control the cardiac electrophysiology through its predominant effect on the sinoarial node cells, without induction of the ectopic activity that causes cardiac arrhythmias. Thus, HG might be useful for the treatment of bradycardia.
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Affiliation(s)
- Yuhong Wang
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing, 100050, China
| | - Jing Geng
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences, Beijing, 100050, China
| | - Min Jiang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences, Beijing, 100050, China
| | - Cong Li
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing, 100050, China
| | - Yanxing Han
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing, 100050, China
| | - Jiandong Jiang
- State Key Laboratory of Bioactive Substances and Function of Natural Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences, Beijing, 100050, China.
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Ye J, Zhu Z, Liang Q, Yan X, Xi X, Zhang Z. Efficacy and safety of Shenfu injection for patients with return of spontaneous circulation after sudden cardiac arrest: Protocol for a systematic review and meta-analysis. Medicine (Baltimore) 2018; 97:e12500. [PMID: 30235758 PMCID: PMC6160179 DOI: 10.1097/md.0000000000012500] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND Sudden cardiac arrest (SCA) is one of the most common critical illnesses encountered in clinical practice. Shenfu injection (SFI) has received extensive attention as an alternative therapy that can effectively maintain the autonomic circulation function after cardiopulmonary resuscitation. However, the mechanism of SFI is not yet fully understood. In addition, there has been no systematic review or meta-analysis of SFI in the treatment of patients with return of spontaneous circulation after SCA. Herein, we describe the protocol of a proposed study based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines that aims to systematically evaluate the efficacy and safety of SFI in patients with return of spontaneous circulation after SCA. METHODS Two researchers will search 9 electronic databases (PubMed, Medline, Embase, Cochrane Library, Web of Science, China National Knowledge Infrastructure, Chinese VIP Information, Wanfang, and Chinese Biomedical Database) to identify all studies that meet the inclusion criteria and were published before July 2018. After information extraction and methodological quality evaluation, we will use Stata 13.0 software (STATA Corporation, College Station, TX, USA) to synthesize the data. The primary outcomes will be the survival rate and Glasgow Coma Scale. RESULTS The data synthesis results will objectively illustrate the efficacy and safety of SFI in patients with return of spontaneous circulation after SCA. CONCLUSION The findings will provide a reference for the use of SFI in the treatment of patients with return of spontaneous circulation after SCA. REGISTRATION PROSPERO (registration number: CRD42018104230).
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Affiliation(s)
- Jiarong Ye
- Guangdong Provincial Hospital of Chinese Medicine
- Guangzhou University of Chinese Medicine, The 2nd Clinical College
| | - Zehao Zhu
- Guangzhou University of Chinese Medicine, The 2nd Clinical College
| | - Qianrong Liang
- Guangdong University of Foreign Studies, Guangzhou, China
| | - Xia Yan
- Guangdong Provincial Hospital of Chinese Medicine
- Guangzhou University of Chinese Medicine, The 2nd Clinical College
| | - Xiaotu Xi
- Guangdong Provincial Hospital of Chinese Medicine
- Guangzhou University of Chinese Medicine, The 2nd Clinical College
| | - Zhongde Zhang
- Guangdong Provincial Hospital of Chinese Medicine
- Guangzhou University of Chinese Medicine, The 2nd Clinical College
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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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Bipat R, Toelsie JR, Magali I, Soekhoe R, Stender K, Wangsawirana A, Oedairadjsingh K, Pawirodihardjo J, Mans DRA. Beneficial effect of medicinal plants on the contractility of post-hypoxic isolated guinea pig atria - Potential implications for the treatment of ischemic-reperfusion injury. PHARMACEUTICAL BIOLOGY 2016; 54:1483-1489. [PMID: 26730936 DOI: 10.3109/13880209.2015.1107103] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Context Ischemic-reperfusion injury is accompanied by a decreased contractility of the myocardium. Positive-inotropic agents have proven useful for treating this condition but may exert serious side-effects. Objective In this study, aqueous preparations from Abelmoschus esculentus L. Moench (Malvaceae), Annona muricata L. (Annonaceae), Bixa orellana L. (Bixaceae), Cecropia peltata L. (Moraceae), Erythrina fusca Lour. (Fabaceae), Psidium guajava L. (Myrtaceae) and Terminalia catappa L. (Combretaceae) were evaluated for their ability to improve the decreased contractility of isolated guinea pig atria after hypoxic stress. Materials and methods Guinea pig atria isolated in Ringer-Locke buffer gassed with 100% O2 at 30 °C were exposed for 5 min to hypoxia, then allowed to recover in oxygenated buffer alone or containing a single plant extract (0.001-1 mg/mL). The contractility (g/s) and beating frequency (beats/min), as well as troponin C contents of the bathing solution (ng/mL), were determined and expressed as means ± SDs. Results The extracts of A. muricata, B. orellana, C. peltata and T. catappa caused an increase in the contractility compared to untreated atria of 340 ± 102%, 151 ± 13%, 141 ± 14% and 238 ± 44%, respectively. However, the latter two preparations increased the troponin C contents of the bathing solution to 36 ± 11 and 69 ± 33, compared to the value of 11 ± 3 ng/mL found with untreated atria. Conclusions Preparations from A. muricata and B. orellana may possess positive-inotropic properties which may improve the contractility of the post-hypoxic myocardium. Studies to assess their usefulness in ischemic-reperfusion injury are warranted.
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Affiliation(s)
- Robbert Bipat
- a Department of Physiology, Faculty of Medical Sciences , Anton de Kom University of Suriname , Paramaribo , Suriname
| | - Jerry R Toelsie
- a Department of Physiology, Faculty of Medical Sciences , Anton de Kom University of Suriname , Paramaribo , Suriname
| | - Indira Magali
- a Department of Physiology, Faculty of Medical Sciences , Anton de Kom University of Suriname , Paramaribo , Suriname
- b Department of Pharmacology, Faculty of Medical Sciences , Anton de Kom University of Suriname , Paramaribo , Suriname
| | - Rubaina Soekhoe
- a Department of Physiology, Faculty of Medical Sciences , Anton de Kom University of Suriname , Paramaribo , Suriname
- b Department of Pharmacology, Faculty of Medical Sciences , Anton de Kom University of Suriname , Paramaribo , Suriname
| | - Karin Stender
- c Department of Pharmacy , University of Utrecht , Utrecht , The Netherlands
| | - Angelique Wangsawirana
- d Department of Clinical Chemistry , University of Groningen , Groningen , The Netherlands
| | - Krishan Oedairadjsingh
- a Department of Physiology, Faculty of Medical Sciences , Anton de Kom University of Suriname , Paramaribo , Suriname
- b Department of Pharmacology, Faculty of Medical Sciences , Anton de Kom University of Suriname , Paramaribo , Suriname
| | - Jennifer Pawirodihardjo
- a Department of Physiology, Faculty of Medical Sciences , Anton de Kom University of Suriname , Paramaribo , Suriname
- b Department of Pharmacology, Faculty of Medical Sciences , Anton de Kom University of Suriname , Paramaribo , Suriname
| | - Dennis R A Mans
- b Department of Pharmacology, Faculty of Medical Sciences , Anton de Kom University of Suriname , Paramaribo , Suriname
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Qiu M, Dong YH, Han F, Qin JM, Zhang HN, Du JX, Hao XM, Yang YM. Influence of total flavonoids derived from Choerospondias axillaris folium on aconitine-induced antiarrhythmic action and hemodynamics in Wistar rats. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2016; 79:878-883. [PMID: 27599234 DOI: 10.1080/15287394.2016.1193117] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
It is well known that various traditional Chinese medicines produce antiarrhythmic actions. The aims of this study were to examine whether total flavones derived from Choerospondias axillaris folium (TFCF) also produced antiarrhythmic effects using a rat model of aconitine-induced arrhythmia and to compare these observations with the effects of total flavones of Choerospondias axillaris fructus (TFC). Wistar rats were orally administered TFC (0.2 g/kg) or TFCF (0.1, 0.2, or 0.4 g/kg) daily for 7 d. Subsequently, aconitine iv at 25 µg/kg was used to induce arrhythmia in these animals. Control (C) physiological saline and positive verapamil rats were also administered orally. The starting times of ventricular ectopic beats (VE), ventricular tachycardia (VT), ventricular fibrillation (VF), and heart arrest (HA) were recorded. In comparison to C, TFCF and TFC significantly prolonged the starting time of VE, VT, VF, and HA induced by aconitine. With respect to hemodynamics, TFC and high-dose TFCF were effective in reducing HR without associated changes in BP in all groups. TFC and TFCF decreased left ventricular systolic pressure (LVSP) and maximal velocity rate of ventricular pressure (+dp/dt max and -dp/dt min) with no marked effect on left ventricular end diastolic pressure (LVEDP) and -dp/dtmin. Data demonstrated that TFCF and TFC were equally effective in diminishing the aconitine-mediated arrhythmias. In addition, TFCF and TFC produced a similar reduction in HR with no accompanying change in BP. These findings indicate that the TFCF- and TFC-induced alterations may be attributed to inhibition of ventricular contraction without altering ventricular diastolic function.
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Affiliation(s)
- Min Qiu
- a Department of Pharmacy , Baotou Medical College , Baotou , Inner Mongolia , China
| | - Yong-He Dong
- a Department of Pharmacy , Baotou Medical College , Baotou , Inner Mongolia , China
| | - Feng Han
- a Department of Pharmacy , Baotou Medical College , Baotou , Inner Mongolia , China
| | - Jian-Min Qin
- a Department of Pharmacy , Baotou Medical College , Baotou , Inner Mongolia , China
| | - Hao-Nan Zhang
- a Department of Pharmacy , Baotou Medical College , Baotou , Inner Mongolia , China
| | - Jian-Xi Du
- b College of Science , Guangdong Ocean University , Zhanjiang , Guangdong , China
| | - Xin-Min Hao
- b College of Science , Guangdong Ocean University , Zhanjiang , Guangdong , China
| | - Yu-Mei Yang
- a Department of Pharmacy , Baotou Medical College , Baotou , Inner Mongolia , China
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16
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Wu MP, Zhang YS, Zhou QM, Xiong J, Dong YR, Yan C. Higenamine protects ischemia/reperfusion induced cardiac injury and myocyte apoptosis through activation of β2-AR/PI3K/AKT signaling pathway. Pharmacol Res 2015; 104:115-23. [PMID: 26746354 DOI: 10.1016/j.phrs.2015.12.032] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2015] [Revised: 12/08/2015] [Accepted: 12/26/2015] [Indexed: 10/22/2022]
Abstract
Cardiomyocyte apoptosis contributes to ischemic cardiac injury and the development of heart failure. Higenamine is a key component of the Chinese herb aconite root that has been prescribed for treating symptoms of heart failure for thousands of years in the oriental Asian countries. It has been shown that higenamine has anti-apoptotic effects in a few cell types including cardiomyocytes. However, the pharmacological target and molecular mechanism of higenamine in the heart are still not fully illustrated. Herein, we report that higenamine protected myocyte apoptosis and ischemia/reperfusion (I/R) injury through selective activation of beta2-adrenergic receptor (β2-AR). In particular, we show that higenamine significantly reduced I/R-induced myocardial infarction in mice. In both primary neonatal rat and adult mouse ventricular myocytes, we show higenamine inhibited cell apoptosis and also reduced biochemical markers of apoptosis such as cleaved caspase 3 and 9. More importantly, we show that the anti-apoptotic effects of higenamine in cardiomyocytes were completely abolished by β2-AR but not β1-AR antagonism. Furthermore, we confirmed that higenamine attenuated I/R-induced myocardial injury and reduced cleaved caspases in a β2-AR dependent manner in intact mouse hearts. Higenamine stimulated AKT phosphorylation and required PI3K activation for the anti-apoptotic effect in cardiomyocytes. These findings together suggest that anti-apoptotic and cardiac protective effects of higenamine are mediated by the β2-AR/PI3K/AKT cascade.
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Affiliation(s)
- Mei-ping Wu
- Department of Cardiology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, China; Aab Cardiovascular Research Institute, School of Medicine and Dentistry, University of Rochester, 601 Elmwood Ave, Box CVRI, Rochester, NY 14642, United States.
| | - Yi-shuai Zhang
- Aab Cardiovascular Research Institute, School of Medicine and Dentistry, University of Rochester, 601 Elmwood Ave, Box CVRI, Rochester, NY 14642, United States.
| | - Qian-mei Zhou
- Research Center for Traditional Chinese Medicine Complexity System, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Jian Xiong
- Department of Physiology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Beijing 100005, China; Aab Cardiovascular Research Institute, School of Medicine and Dentistry, University of Rochester, 601 Elmwood Ave, Box CVRI, Rochester, NY 14642, United States.
| | - Yao-rong Dong
- Department of Cardiology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, China.
| | - Chen Yan
- Aab Cardiovascular Research Institute, School of Medicine and Dentistry, University of Rochester, 601 Elmwood Ave, Box CVRI, Rochester, NY 14642, United States; Department of Cardiology, Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200071, China.
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Liu C, Zhu C, Wang G, Xu R, Zhu Y. Higenamine regulates Nrf2-HO-1-Hmgb1 axis and attenuates intestinal ischemia-reperfusion injury in mice. Inflamm Res 2015; 64:395-403. [PMID: 25929435 DOI: 10.1007/s00011-015-0817-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2014] [Revised: 03/12/2015] [Accepted: 04/02/2015] [Indexed: 02/08/2023] Open
Abstract
INTRODUCTION Intestinal ischemia and reperfusion (IR) syndrome is a life-threatening dilemma caused by diverse events. Higenamine (HG), an active ingredient of Aconiti Lateralis Radix Praeparata, has been traditionally used as a heart stimulant and anti-inflammatory agent in oriental countries. But the function of HG on intestine IR injury has never been investigated. MATERIALS AND METHODS Mice underwent a 2 cm midline laparotomy, and the superior mesenteric artery (SMA) was obstructed by micro-vascular clamp to induce intestinal ischemia. RESULTS In our current study, HG increases mouse intestinal epithelial (IEC-6) cell viability through induced heme oxygenase-1 (HO-1) production in vitro. In our in vivo murine intestinal IR injury model, the increased HO-1 protein level and activity, decreased intestinal injury score, Myeloperoxidase (MPO) activity, and inflammatory cytokine expression induced by HG were all abolished with additional treatment of HO-1 inhibitor zinc protoporphyrin IX (ZnPPIX). Furthermore, HG reduced high mobility group box-1 (Hmgb1) expression in IR injury-performed intestine which was inhibited by additional administration of ZnPPIX. And HG treatment significantly decreased HO-1 expression in nuclear factor erythroid 2-related factor (Nrf-2) SiRNA-transfected cells but not in control SiRNA-transfected cells. CONCLUSION Our study provides evidence HG regulates Nrf2-HO-1-Hmgb1 axis and attenuates intestinal IR injury in mice.
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Affiliation(s)
- Chao Liu
- Department of General Surgery, Yichang Central People's Hospital, The First College of Clinical Medical Science, China Three Gorges University, No.183, Yiling Road, Yichang, 443003, Hubei, China
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Calvert R, Vohra S, Ferguson M, Wiesenfeld P. A beating heart cell model to predict cardiotoxicity: effects of the dietary supplement ingredients higenamine, phenylethylamine, ephedrine and caffeine. Food Chem Toxicol 2015; 78:207-13. [PMID: 25684415 DOI: 10.1016/j.fct.2015.01.022] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2014] [Revised: 01/23/2015] [Accepted: 01/26/2015] [Indexed: 11/17/2022]
Abstract
Some dietary supplements may contain cardiac stimulants and potential cardiotoxins. In vitro studies may identify ingredients of concern. A beating human cardiomyocyte cell line was used to evaluate cellular effects following phenylethylamine (PEA), higenamine, ephedrine or caffeine treatment. PEA and higenamine exposure levels simulated published blood levels in humans or animals after intravenous administration. Ephedrine and caffeine levels approximated published blood levels following human oral intake. At low or midrange levels, each chemical was examined plus or minus 50 µM caffeine, simulating human blood levels reported after consumption of caffeine-enriched dietary supplements. To measure beats per minute (BPM), peak width, etc., rhythmic rise and fall in intracellular calcium levels following 30 min of treatment was examined. Higenamine 31.3 ng/ml or 313 ng/ml significantly increased BPM in an escalating manner. PEA increased BPM at 0.8 and 8 µg/ml, while 80 µg/ml PEA reduced BPM and widened peaks. Ephedrine produced a significant BPM dose response from 0.5 to 5.0 µM. Caffeine increased BPM only at a toxic level of 250 µM. Adding caffeine to PEA or higenamine but not ephedrine further increased BPM. These in vitro results suggest that additional testing may be warranted in vivo to further evaluate these effects.
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Affiliation(s)
- Richard Calvert
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, Office of Applied Research and Safety Assessment, Division of Toxicology, 8301 Muirkirk Rd., Laurel, MD 20708, USA.
| | - Sanah Vohra
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, Office of Applied Research and Safety Assessment, Division of Toxicology, 8301 Muirkirk Rd., Laurel, MD 20708, USA
| | - Martine Ferguson
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, Office of Management, Division of Mathematics, 5100 Paint Branch Parkway, College Park, MD 20740, USA
| | - Paddy Wiesenfeld
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, Office of Applied Research and Safety Assessment, Division of Toxicology, 8301 Muirkirk Rd., Laurel, MD 20708, USA
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Zhang Z, Li M, Wang Y, Wu J, Li J. Higenamine promotes M2 macrophage activation and reduces Hmgb1 production through HO-1 induction in a murine model of spinal cord injury. Int Immunopharmacol 2014; 23:681-7. [DOI: 10.1016/j.intimp.2014.10.022] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Revised: 10/06/2014] [Accepted: 10/22/2014] [Indexed: 02/04/2023]
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Praman S, Mulvany MJ, Williams DE, Andersen RJ, Jansakul C. Crude extract and purified components isolated from the stems of Tinospora crispa exhibit positive inotropic effects on the isolated left atrium of rats. JOURNAL OF ETHNOPHARMACOLOGY 2013; 149:123-132. [PMID: 23778316 DOI: 10.1016/j.jep.2013.06.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2013] [Revised: 06/03/2013] [Accepted: 06/06/2013] [Indexed: 06/02/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Tinospora crispa has been used in folkloric medicine for the control of blood pressure. We previously found that an extract of Tinospora crispa and its constituents effect the heart rate and blood pressure in anesthetized rats. AIM OF THE STUDY The aim was to investigate the effects and mechanisms of the Tinospora crispa extract and bioactive components on the rat isolated left atria. MATERIALS AND METHODS Air-dried stems of Tinospora crispa were extracted with water, followed by partitioning with chloroform, ethyl acetate, and finally by n-butanol. The n-butanol soluble material was concentrated and dried under reduced pressure and lyophilized to obtain a crude powder (Tinospora crispa extract). The active components of Tinospora crispa extract were separated by column chromatography and preparative HPLC. The effects and mechanisms of the n-butanol extract and the bioactive purified components (adenine, uridine, adenosine, salsolinol, tyramine, higenamine, syringin, (-)-litcubinine, borapetoside A, borapetoside B, borapetoside D and borapetoside E) were studied in isolated left atria from normal and reserpinized rats. RESULTS Tinospora crispa extract caused an increase in the force of contraction of the electrical field stimulated left atrium. This effect was inhibited by propranolol, atenolol, ICI-118,551, phentolamine and atropine. The positive inotropic effect on the reserpenized isolated left atrium of the Tinospora crispa extract was significantly inhibited by propranolol, atenolol and ICI-118,551. Phentolamine, on the other hand, caused potentiation and the effect was inhibited when propranolol was also added. Higenamine caused an increase in the force of contraction of the electrical field stimulated left atrium and this effect was significantly inhibited by ICI-118,551 and atenolol but not by phentolamine. Reserpine did not significantly shift the concentration-response curve (C-R curve) of the inotropic effect of the higenamine. ICI-118,551 and atenolol caused a parallel shift of the C-R curve to the right of about 8 and 33 fold, respectively. At low concentrations salsolinol caused a slight increase in the force of contraction of the left atrium, but at higher concentrations a decrease was observed. The negative inotropic effect of salsolinol was significantly inhibited by propranolol and atropine. In the reserpinized isolated left atrium, the negative inotropic effect of salsolinol was potentiated and again this effect was significantly inhibited by propranolol and atropine. Tyramine caused a positive inotropic effect, and this effect was inhibited by propranolol or by pretreatment of the rat with reserpine. Adenosine caused a negative inotropic effect, while uridine caused a slight positive inotropic effect on the left atrium. This effect was significantly inhibited by DPCPX. CONCLUSIONS Crude extract of Tinospora crispa exert a positive inotropic effect on the electrical field stimulated isolated left atria that results from the concerted action of 5 bioactive compounds: higenamine, salsolinol, tyramine, adenosine and uridine. Higenamine, salsolinol (at low concentration) and tyramine acted via the adrenergic receptors to increase the force of the atrial contraction, whereas a high concentration of salsolinol acted indirectly by stimulating the release of acetylcholine. Adenosine and uridine acted via the purinergic pathways to cause negative inotropic effects on the isolated left atria.
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Affiliation(s)
- Siwaporn Praman
- Department of Physiology, Faculty of Science, Prince of Songkla University, Hat-Yai, Songkhla 90112, Thailand
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Higenamine Combined with [6]-Gingerol Suppresses Doxorubicin-Triggered Oxidative Stress and Apoptosis in Cardiomyocytes via Upregulation of PI3K/Akt Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:970490. [PMID: 23861719 PMCID: PMC3687593 DOI: 10.1155/2013/970490] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2013] [Accepted: 05/10/2013] [Indexed: 12/24/2022]
Abstract
Sini decoction is a well-known formula of traditional Chinese medicine, which has been used to treat cardiovascular disease for many years. Previously, we demonstrated that Sini decoction prevented doxorubicin-induced heart failure in vivo. However, its active components are still unclear. Thus, we investigated the active components of Sini decoction and their cardioprotective mechanisms in the in vitro neonatal rat cardiomyocytes and H9c2 cell line models of doxorubicin-induced cytotoxicity. Our results demonstrated that treatment with higenamine or [6]-gingerol increased viability of doxorubicine-injured cardiomyocytes. Moreover, combined use of higenamine and [6]-gingerol exerted more profound protective effects than either drug as a single agent, with effects similar to those of dexrazoxane, a clinically approved cardiac protective agent. In addition, we found that treatment with doxorubicin reduced SOD activity, increased ROS generation, enhanced MDA formation, induced release of LDH, and triggered the intrinsic mitochondria-dependent apoptotic pathway in cardiomyocytes, which was inhibited by cotreatment of higenamine and [6]-gingerol. Most importantly, the cytoprotection of higenamine plus [6]-gingerol could be abrogated by LY294002, a PI3K inhibitor. In conclusion, combination of higenamine and [6]-gingerol exerts cardioprotective effect against doxorubicin-induced cardiotoxicity through activating the PI3K/Akt signaling pathway. Higenamine and [6]-gingerol may be the active components of Sini decoction.
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Yu F, Kong L, Wang S. Influence of racemic higenamine on the sinus node. Exp Ther Med 2012; 5:591-595. [PMID: 23403401 PMCID: PMC3570077 DOI: 10.3892/etm.2012.813] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2012] [Accepted: 10/25/2012] [Indexed: 12/02/2022] Open
Abstract
The aim of this study was to explore the mechanism of racemic higenamine in the treatment of sick sinus syndrome (SSS). A total of 40 New Zealand rabbits were randomly divided into normal sinus node and damaged sinus node (SND) groups, and each group was randomly divided into treatment and control groups (n=10). The SND model was established by formaldehyde wet dressing of the sinus node area. The treatment groups were administered an intravenous infusion of 0.04 mg/kg racemic higenamine via the marginal ear vein within 5 min. The electrophysiological indicators of sinoatrial function, including the sinus node recovery time (SNRT), corrected sinus node recovery time (CSNRT), total sinoatrial conduction time (TSACT) and sinus cycle length (SCL), were determined before and 20 min after medication and the changes in these indicators were evaluated. The two control groups were administered 10 ml physiological saline. Following the administration of racemic higenamine, the SNRT, CSNRT, TSACT and SCL in the normal sinus node and SND groups were significantly shortened compared with those in the control groups (P<0.01). The electrophysiological influence of racemic higenamine on sinoatrial function in the SND group was significantly greater than that in the normal sinus node group (P<0.01), and its effect in the treatment of arrhythmia caused by a damaged sinus node was statistically significant (P<0.05). The main electrophysiological mechanism of racemic higenamine in the treatment of SSS was the enhancement of sinus node self-discipline and improvement of sinoatrial and atrioventricular conduction function.
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Affiliation(s)
- Fengxia Yu
- Department of Emergency Medicine, Yantaishan Hospital, Yantai, Shandong 264001, P.R. China
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Praman S, Mulvany MJ, Williams DE, Andersen RJ, Jansakul C. Hypotensive and cardio-chronotropic constituents of Tinospora crispa and mechanisms of action on the cardiovascular system in anesthetized rats. JOURNAL OF ETHNOPHARMACOLOGY 2012; 140:166-178. [PMID: 22265931 DOI: 10.1016/j.jep.2012.01.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2011] [Revised: 12/11/2011] [Accepted: 01/07/2012] [Indexed: 05/31/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Tinospora crispa has been used in folkloric medicine for the control of blood pressure. We previously found that an extract of Tinospora crispa stems decreased the mean arterial blood pressure (MAP) with a transient decrease, followed by an increase in the heart rate (HR) in rats. AIM OF THE STUDY To identify the active components of the Tinospora crispa extract and investigate the mechanisms of action on blood pressure and heart rate in anesthetized rats. MATERIALS AND METHODS The active components of Tinospora crispa extract were separated by column chromatography and a preparative HPLC. The effects and mechanisms of the active compounds on blood pressure and heart rate were studied in anesthetized, normal and reserpinized rats in vivo. RESULTS 5 active compounds: adenosine, uridine, salsolinol, higenamine and tyramine were isolated. Adenosine decreased MAP and HR and this effect was inhibited by DMPX (A(2A) adenosine receptor antagonist). Uridine increased MAP and decreased HR and this was inhibited by suramin but not by DMPX. Salsolinol decreased the MAP and HR and this was inhibited by phentolamine but not by ICI-118,551 (β(2)-adrenoceptor antagonist) or atropine. In reserpinized rats, salsolinol had a hypertensive effect that was inhibited by prazosin and phentolamine, but not by atenolol, and caused an increase in HR that was inhibited by atenolol, but not by prazosin or phentolamine. Higenamine decreased the MAP with an increase in HR. The hypotensive effect was inhibited by ICI-118,551 or atenolol, whereas the increase in HR was not inhibited by ICI-118,551. Atenolol inhibited the increase in HR at a small dosage of higenamine but potentiated it at a higher dosage. In reserpinized rats, a small dosage of higenamine tended to potentiate the effect but at a higher dosage it caused inhibition. ICI-118,551 significantly inhibited this hypotensive effect. Tyramine caused an increase in MAP and HR and these effects almost disappeared in reserpinized rats. CONCLUSIONS The results demonstrate that these 5 compounds from Tinospora crispa acted in concert on the cardiovascular system of anesthetized rats. Salsolinol, tyramine and higenamine acted via the adrenoreceptors, whereas uridine and adenosine acted via the purinergic adenosine A(2) and P(2) receptors to decrease blood pressure with a transient decrease of HR followed by an increase.
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Affiliation(s)
- Siwaporn Praman
- Department of Physiology, Faculty of Science, Prince of Songkla University, Hat-Yai 90112, Thailand
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Jung BC, Lee SH, Cho YK, Park HS, Kim YN, Lee YS, Shin DG. Role of the alternans of action potential duration and aconitine-induced arrhythmias in isolated rabbit hearts. J Korean Med Sci 2011; 26:1576-81. [PMID: 22147994 PMCID: PMC3230017 DOI: 10.3346/jkms.2011.26.12.1576] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2011] [Accepted: 10/13/2011] [Indexed: 11/28/2022] Open
Abstract
Under conditions of Na(+) channel hyperactivation with aconitine, the changes in action potential duration (APD) and the restitution characteristics have not been well defined in the context of aconitine-induced arrhythmogenesis. Optical mapping of voltage using RH237 was performed with eight extracted rabbit hearts that were perfused using the Langendorff system. The characteristics of APD restitution were assessed using the steady-state pacing protocol at baseline and 0.1 µM aconitine concentration. In addition, pseudo-ECG was analyzed at baseline, and with 0.1 and 1.0 µM of aconitine infusion respectively. Triggered activity was not shown in dose of 0.1 µM aconitine but overtly presented in 1.0 µM of aconitine. The slopes of the dynamic APD restitution curves were significantly steeper with 0.1 µM of aconitine than at baseline. With aconitine administration, the cycle length of initiation of APD alternans was significantly longer than at baseline (287.5 ± 9.6 vs 247.5 ± 15.0 msec, P = 0.016). The functional reentry following regional conduction block appears with the progression of APD alternans. Ventricular fibrillation is induced reproducibly at pacing cycle length showing a 2:1 conduction block. Low-dose aconitine produces arrhythmogenesis at an increasing restitution slope with APD alternans as well as regional conduction block that proceeds to functional reentry.
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Affiliation(s)
- Byung-Chun Jung
- Department of Cardiology, Fatima General Hospital, Daegu, Korea
| | - Sang-Hee Lee
- Cardiovascular Division, Internal Medicine, Aging-Associated Vascular Disease Research Center, Yeungnam University Medical Center, Daegu, Korea
| | - Yong-Keun Cho
- Cardiovascular Department, Kyungpook National University, Daegu, Korea
| | - Hyoung-Seob Park
- Cardiovascular Division, Internal Medicine, Keimyumg University, Daegu, Korea
| | - Yoon-Nyun Kim
- Cardiovascular Division, Internal Medicine, Keimyumg University, Daegu, Korea
| | - Young-Soo Lee
- Cardiovascular Division, Department of Internal Medicine, Daegu Catholic University, Daegu, Korea
| | - Dong-Gu Shin
- Cardiovascular Division, Internal Medicine, Aging-Associated Vascular Disease Research Center, Yeungnam University Medical Center, Daegu, Korea
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Chen HC, Chen WC, Lin KH, Chen YH, Lo LC, Lee TC, Hsia TC, Wang CH, Wu SH, Hsu HW, Chang YJ, Huang YC, Ku TH, Horng MH. Simultaneous use of traditional Chinese medicine (si-ni-tang) to treat septic shock patients: study protocol for a randomized controlled trial. Trials 2011; 12:199. [PMID: 21864392 PMCID: PMC3178491 DOI: 10.1186/1745-6215-12-199] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2011] [Accepted: 08/24/2011] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Even though there are continually upgraded recommendations for managing sepsis, such as "Surviving Sepsis Campaign: international guidelines for management of severe sepsis and septic shock", mortality is still high. Si-ni-tang, a remedy documented in Shanghan Lun, a medical collection from ancient China, is used for treating patients with sepsis and septic shock. Using a well-designed clinical trial, we are eager to survey the effectiveness of the concurrent use of this remedy in restoring these patients' hemodynamic status, or "Yang Qi". METHODS/DESIGN Patients admitted to our medical intensive care units with the diagnosis of septic shock, defined as persistent hypotension induced by sepsis despite adequate fluid resuscitation, are eligible for participation. The inclusion criteria include: age from 20 to 85 years, conditions meeting the definition of septic shock, use of vasopressors within 24 hours of entering the study, and use of a nasogastric tube for feeding. The enrolled patients are randomly allocated either to the si-ni-tang group or the placebo group. The prescription of the trial drugs (si-ni-tang/placebo) is 2.25 grams 4 times a day for 7 days or till shock reversal (if shock reversal occurs in less than 7 days). Data, including duration of vasopressor infusion, gender, age, co-morbidities, APACHE II score, predicted mortality, ICU mortality, ICU length of stay, hospital mortality, hospital length of stay, source of sepsis, and culture results, are collected for the following analysis. DISCUSSION Si-ni-tang is composed of processed Zingiber officinale, Glycyrrhiza uralensis, and Aconitum carmichaeli. Zingiber officinale and Glycyrrhiza uralensis are found to have the ability to reduce pro-inflammatory cytokine production, to inhibit lipopolisaccharide-induced macrophage activation and function, and to lessen the bacterial load and suppress acute and chronic inflammation. Aconitum carmichaeli is known to have vasopressor activity, and positive chronotropic and inotropic effects. As this remedy has a potential benefit in treating septic shock patients, we designed a double-blind, prospective, randomized controlled trial and would like to publish the results and conclusions later. TRIAL REGISTRATION ClinicalTrials.gov: NCT01223430.
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Affiliation(s)
- Huang-Chi Chen
- Graduate Institute of Integrated Medicine, College of Chinese Medicine, China Medical University, Taichung, Taiwan
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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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Ueki T, Akaishi T, Okumura H, Morioka T, Abe K. Biphasic tracheal relaxation induced by higenamine and nantenine from Nandina domestica Thunberg. J Pharmacol Sci 2011; 115:254-257. [PMID: 21282929 DOI: 10.1254/jphs.10251sc] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2010] [Accepted: 12/22/2010] [Indexed: 10/18/2022] Open
Abstract
We compared the effects of the extract from fruits of Nandina domestica Thunberg (NDE) and its constituents, higenamine and nantenine, on contractile responses in isolated guinea-pig trachea. NDE (1 mg/ml) caused biphasic relaxation of the trachea precontracted with high-K(+) stimulation: the fast component was blocked by propranolol and mimicked by higenamine; and the slow was resistant to propranolol and mimicked by nantenine. Ca(2+)-induced contraction under high-K(+) stimulation was antagonized by nantenine or NDE + propranolol. These results suggest that NDE relaxes the trachea quickly through β-adrenoceptor stimulation by higenamine and slowly through Ca(2+) antagonism by nantenine.
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Affiliation(s)
- Takuro Ueki
- Laboratory of Pharmacology, Faculty of Pharmacy and Research Institute of Pharmaceutical Sciences, Musashino University, Tokyo 202-8585, Japan
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Yuan JF, Zhang ZQ, Kang XQ, Liu JL. LC-MS analysis for the components captured by ECV304 cell from extract ofAconitum szechenyianumGay. Biomed Chromatogr 2009; 23:406-11. [DOI: 10.1002/bmc.1131] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Koh JT, Jeong BC, Kim JH, Ahn YK, Lee HS, Baik YH, Kim KK. Changes underlying arrhythmia in the transgenic heart overexpressing Refsum disease gene-associated protein. Biochem Biophys Res Commun 2004; 313:156-62. [PMID: 14672712 DOI: 10.1016/j.bbrc.2003.11.105] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Previously, we identified a novel neuron-specific protein (PAHX-AP1) that binds to Refsum disease gene product (PAHX), and we developed transgenic (TG) mice that overexpress heart-targeted PAHX-AP1. These mice have atrial tachycardia and increased susceptibility to aconitine-induced arrhythmia. This study was undertaken to elucidate the possible changes in ion channels underlying the susceptibility to arrhythmia in these mice. RT-PCR analyses revealed that the cardiac expression of adrenergic beta(1)-receptor (ADRB1) was markedly lower, whereas voltage-gated potassium channel expression (Kv2.1) was higher in PAHX-AP1 TG mice compared with non-TG mice. However, the expression of voltage-sensitive sodium and calcium channels, and muscarinic receptor was not significantly different. Propranolol pretreatment, a non-specific beta-adrenoceptor antagonist, blocked aconitine-induced arrhythmia in non-TG mice, but not in PAHX-AP1 TG mice. Our results indicate that, in the PAHX-AP1 TG heart, the modulation of voltage-gated potassium channel and ADRB1 expression seem to be important in the electrophysiological changes associated with altered ion channel functions, but ADRB1 is not involved in the greater susceptibility to aconitine-induced arrhythmia.
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Affiliation(s)
- Jeong Tae Koh
- Dental Science Research Institute, Chonnam National University, Kwangju 501-190, Republic of Korea
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Koh JT, Choi HH, Ahn KY, Kim JU, Kim JH, Chun JY, Baik YH, Kim KK. Cardiac Characteristics of Transgenic Mice Overexpressing Refsum Disease Gene-Associated Protein within the Heart. Biochem Biophys Res Commun 2001; 286:1107-16. [PMID: 11527414 DOI: 10.1006/bbrc.2001.5510] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Arrhythmia is a common cardiac symptom of Refsum disease. Recently, we identified a novel neuron-specific PAHX-associated protein (PAHX-AP1), which binds to the Refsum disease gene (PAHX). In this report, we developed heart-targeted transgenic (TG) mice under the control of alpha-myosin heavy chain promoter to determine whether cardiac overexpression of PAHX-AP1 provokes cardiac involvement symptoms. Northern and in situ hybridization analyses revealed PAHX-AP1 transcript was overexpressed in TG atrium, especially in the sinoatrial node. TG mice showed tachycardia, and tachyarrhythmia was observed in 20% of TG mice. Isolated TG atria showed higher frequency beating and were more sensitive to aconitine-induced tachyarrhythmia than the wild-type, and 40% of the TG atria showed irregular beating. Action potential duration in TG atrial fiber was shortened much more than the wild-type. Systemic administration of arrhythmogenic agents induced arrhythmia in TG mice, while no arrhythmia with the same dose in nonTG mice. Our results indicate that the chronic atrial tachycardia by overexpressed neuron-specific PAHX-AP1 transgene in atrium may be responsible for the increased susceptibility to arrhythmia.
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Affiliation(s)
- J T Koh
- Dental Science Research Institute, Chonnam National University, Kwangju, 501-190, South Korea
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Analysis of Chemical-Structure-Activity Relationships to Identify New Pro-Drugs with Unique Mechanisms of Actions in Kampo Medicines and Other Natural Products. ACTA ACUST UNITED AC 2000. [DOI: 10.1016/s1572-5995(00)80057-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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Nojima H, Okazaki M, Kimura I. Counter effects of higenamine and coryneine, components of aconite root, on acetylcholine release from motor nerve terminal in mice. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2000; 2:195-203. [PMID: 11256693 DOI: 10.1080/10286020008039911] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
The counter effects of higenamine and coryneine, components of aconite root, on acetylcholine (ACh) release from motor nerve terminals in the mouse phrenic nerve-diaphragm muscle preparation were studied by a radioisotope method. Both nerve-evoked release and spontaneous release of [3H]-ACh from the preparation preloaded with [3H]-choline were measured. The change in the tetanic tension of muscle was simultaneously recorded in the same preparation. Higenamine (10 microM) augmented both the nerve-evoked and spontaneous ACh releases, and the muscle tension. The effects were inhibited by pretreatment with propranolol (10 microM), a beta-adrenoceptor antagonist. Coryneine reduced the nerve-evoked release of ACh, accelerated the decay of tetanic tension (tetanic fade) at 30 microM, and it depressed the peak amplitude of tetanic tension at a higher concentration of 100 microM. These results suggest that of the two components contained in aconite root, higenamine increases ACh release via activation of beta-adrenoceptor, and conversely coryneine depresses ACh release by preferentially acting at motor nerve terminal.
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Affiliation(s)
- H Nojima
- Department of Chemical Pharmacology, Toyama Medical and Pharmaceutical University, Sugitani, Japan
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Kimura I, Islam A, Honda R, Nojima H, Tezuka Y, Zhao W. Blood-pressure lowering, positive chronotropy and inotropy by the Veratrum alkaloids germidine and germerine but negative chronotropy by veratridine in mice. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2000; 2:133-144. [PMID: 11252678 DOI: 10.1080/10286020008039902] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Germidine and germerine, the Veratrum alkaloids lowered blood pressure accompanied with positive chronotropy and inotropy in mice. Germerine was more potent than germidine in both blood-pressure lowering and positive inotropy, whereas veratridine produced negative chronotropy and positive inotropy. An acyl group (an acetyl or a 2-methylbutyroyl group) at 3-O-R1 position and a 2-methylbutyroyl group at 15-O-R2 position in germine were important to produce the positive inotropy and chronotropy. The presence of a veratroyl group at 3-O-R1 position and a free hydroxyl group at 15-O-R2 position may be essential to produce the negative chronotropy by veratridine. The positive inotropy by germidine and veratridine may be due to TTX-resistant Na+ channel activation.
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Affiliation(s)
- I Kimura
- Department of Chemical Pharmacology, Institute of Natural Medicine, Toyama Medical and Pharmaceutical University, Sugitani, Japan.
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