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Zhang P, Wei W, Shang Y, Ye BC. Metabolic engineering of Yarrowia lipolytica for high-level production of scutellarin. BIORESOURCE TECHNOLOGY 2023:129421. [PMID: 37392967 DOI: 10.1016/j.biortech.2023.129421] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/27/2023] [Accepted: 06/28/2023] [Indexed: 07/03/2023]
Abstract
Scutellarin drugs have been recognized as a key item in the national development of essential clinical emergency drugs for treating cardiovascular and cerebrovascular diseases; therefore, the market demand for scutellarin is growing rapidly. Microbial synthesis based on synthetic biology is a promising method for industrial production of scutellarin. In this study, the highest reported scutellarin titer in the shake flask of 703.01 ± 4.83 mg/L was achieved in Yarrowia lipolytica through the systematic metabolic engineering modifications, including screening for the optimal flavone-6-hydroxylase-cytochrome P450 reductase combination SbF6H-ATR2 to enhance P450 enzyme activity, increasing the copy numbers of rate-limiting enzyme genes, overexpressing ZWF1 and GND1 to increase NADPH supply, enhancing the supply of p-coumaric acid and uridine diphosphate glucose, and introducing the heterologous gene VHb to enhance oxygen supply. This study has significant implications for the industrial production of scutellarin and other valuable flavonoids in green economies.
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Affiliation(s)
- Ping Zhang
- Laboratory of Biosystems and Microanalysis, State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Wenping Wei
- Institute of Engineering Biology and Health, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, Zhejiang, China
| | - Yanzhe Shang
- Laboratory of Biosystems and Microanalysis, State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Bang-Ce Ye
- Laboratory of Biosystems and Microanalysis, State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China; Institute of Engineering Biology and Health, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou 310014, Zhejiang, China.
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2
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Tan YQ, Lin F, Ding YK, Dai S, Liang YX, Zhang YS, Li J, Chen HW. Pharmacological properties of total flavonoids in Scutellaria baicalensis for the treatment of cardiovascular diseases. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 107:154458. [PMID: 36152591 DOI: 10.1016/j.phymed.2022.154458] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 08/21/2022] [Accepted: 09/13/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Scutellaria baicalensis, a medicinal herb belonging to the Lamiaceae family, has been recorded in the Chinese, European, and British Pharmacopoeias. The medicinal properties of this plant are attributed to the total flavonoids of Scutellaria baicalensis (TFSB), particularly the main component, baicalin. This study provides a systematic and comprehensive list of the identified TFSB components and their chemical structures. The quality control process, pharmacokinetics, clinical application, and safety of Scutellaria baicalensis are discussed, and its pharmacological effect on cardiovascular diseases (CVDs) is detailed. Finally, the future research trends and prospects of this medicinal plant are provided. METHODS The Chinese and English papers related to TFSB were collected from the PubMed and CNKI databases using the relevant keywords. To highlight the pharmacological mechanism, clinical application, and safety of TFSB, the collected articles were screened and classified based on their research content. RESULTS TFSB contains at least 100 different kinds of flavonoids, of which baicalin, baicalein, wogonin, wogonoside, scutellarin, and scutellarein are the main active ingredients. The preparation process of TFSB is relatively well established, and the extraction rate can be significantly increased by enzymatic pretreatment and ultrasonication. The low oral availability of TFSB may be effectively enhanced using nanoformulations. The available pharmacokinetic data show that flavonoid glycosides and aglycones with the same parent nucleus may be converted to structures that are conducive to absorption in vivo. Moreover, TFSB can protect against CVDs by inhibiting apoptosis, regulating oxidative stress response, participating in inflammatory response, protecting against myocardial fibrosis, inhibiting myocardial hypertrophy, and regulating blood vessels. In terms of clinical application and animal safety, the available studies show that TFSB can be applied in a wide range of clinical treatments and is safe to use is animals. CONCLUSION This article systematically reviews the therapeutic effect and underlying pharmacological mechanism of TFSB against CVDs. The available studies clearly suggest that TFSB has great potential for the treatment of CVDs and is worthy of in-depth research and development.
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Affiliation(s)
- Yu-Qing Tan
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China; Beijing University of Chinese Medicine, Beijing 100029, China
| | - Fei Lin
- The First Affiliated Hospital of Xinxiang Medical University, Xinxiang 453100 Henan, China
| | - Yu-Kun Ding
- Beijing University of Chinese Medicine, Beijing 100029, China; Department of Cardiology, Dongzhimen Hospital, Beijing University of Traditional Chinese Medicine, Beijing 100700, China
| | - Shuang Dai
- Beijing University of Chinese Medicine, Beijing 100029, China
| | - Ying-Xin Liang
- Traditional Chinese Medicine Orthopedics, Liuzhou Worker's Hospital, Liuzhou 545007, China
| | - Yun-Shu Zhang
- Beijing University of Chinese Medicine, Beijing 100029, China
| | - Jun Li
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Heng-Wen Chen
- Department of Cardiology, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China.
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Batalha ADDSJ, Souza DCDM, Ubiera RD, Chaves FCM, Monteiro WM, da Silva FMA, Koolen HHF, Boechat AL, Sartim MA. Therapeutic Potential of Leaves from Fridericia chica (Bonpl.) L. G. Lohmann: Botanical Aspects, Phytochemical and Biological, Anti-Inflammatory, Antioxidant and Healing Action. Biomolecules 2022; 12:biom12091208. [PMID: 36139047 PMCID: PMC9496332 DOI: 10.3390/biom12091208] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/21/2022] [Accepted: 08/26/2022] [Indexed: 11/16/2022] Open
Abstract
Plants of the species Fridericia chica (Bonpl.) L. G. Lohmann (Bignoniaceae), which are widely distributed in Brazil and named crajiru in the state of Amazonas, are known in folk medicine as a traditional medicine in the form of a tea for the treatment of intestinal colic, diarrhea, and anemia, among other diseases. The chemical analysis of extracts of the leaves has identified phenolic compounds, a class of secondary metabolites that provide defense for plants and benefits to the health of humans. Several studies have shown the therapeutic efficacy of F. chica extracts, with antitumor, antiviral, wound healing, anti-inflammatory, and antioxidant activities being among the therapeutic applications already proven. The healing action of F. chica leaf extract has been demonstrated in several experimental models, and shows the ability to favor the proliferation of fibroblasts, which is essential for tissue repair. The anti-inflammatory activity of F. chica has been clearly demonstrated by several authors, who suggest that it is related to the presence of 3-deoxyanthocyanidins, which is capable of inhibiting pro-inflammatory pathways such as the kappa B (NF-kB) nuclear transcription factor pathway. Another important effect attributed to this species is the antioxidant effect, attributed to phenolic compounds interrupting chain reactions caused by free radicals and donating hydrogen atoms or electrons. In conclusion, the species Fridericia chica has great therapeutic potential, which is detailed in this paper with the objective of encouraging new research and promoting the sum of efforts for the inclusion of herbal medicines in health systems around the world.
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Affiliation(s)
| | - Damy Caroline de Melo Souza
- Basic and Applied Graduate Program—PPGIBA, Biological Science Institute, Federal University of Amazonas, Manaus 69080-900, Brazil
| | - Rosmery Duran Ubiera
- Basic and Applied Graduate Program—PPGIBA, Biological Science Institute, Federal University of Amazonas, Manaus 69080-900, Brazil
| | | | - Wuelton Marcelo Monteiro
- Tropical Medicine Graduate Program, Amazonas State University—UEA, Manaus 69040-000, Brazil
- Tropical Medicine Foundation Heitor Vieira Dourado (FMT-HVD), Manaus 69040-000, Brazil
| | | | - Hector Henrique Ferreira Koolen
- Tropical Medicine Graduate Program, Amazonas State University—UEA, Manaus 69040-000, Brazil
- Research Group in Metabolomics and Mass Spectrometry, Amazonas State University, Manaus 690065-130, Brazil
| | - Antônio Luiz Boechat
- Basic and Applied Graduate Program—PPGIBA, Biological Science Institute, Federal University of Amazonas, Manaus 69080-900, Brazil
- Laboratory of Innovative Therapies, Department of Parasitology, Amazonas State University—UEA, Manaus 69080-900, Brazil
| | - Marco Aurélio Sartim
- Basic and Applied Graduate Program—PPGIBA, Biological Science Institute, Federal University of Amazonas, Manaus 69080-900, Brazil
- Tropical Medicine Graduate Program, Amazonas State University—UEA, Manaus 69040-000, Brazil
- Research & Development Department, Nilton Lins Foundation, Manaus 69058-030, Brazil
- Correspondence:
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4
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Fan H, Lin P, Kang Q, Zhao ZL, Wang J, Cheng JY. Metabolism and Pharmacological Mechanisms of Active Ingredients in Erigeron breviscapus. Curr Drug Metab 2021; 22:24-39. [PMID: 33334284 DOI: 10.2174/1389200221666201217093255] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 09/14/2020] [Accepted: 10/26/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Erigeron breviscapus (Vant.) Hand-Mazz. is a plant species in the Compositae family. More than ten types of compounds-such as flavonoids, caffeinate esters, and volatile oils-have been identified in Erigeron breviscapus; however, it remains unknown as to which compounds are associated with clinical efficacy. In recent years, flavonoids and phenolic acids have been considered as the main effective components of Erigeron breviscapus. The metabolism and mechanisms of these compounds in vivo have been extensively studied to improve our understanding of the drug. METHODS In the present review, we summarize the relationships among these compounds, their metabolites, and their pharmacodynamics. Many methods have been implemented to improve the separation and bioavailability of these compounds from Erigeron breviscapus. RESULTS In China, Erigeron breviscapus has been used for many years. In recent years, through the study of its metabolism and the mechanisms of its effective components, the effects of Erigeron breviscapus in the treatment of various diseases have been extensively studied. Findings have indicated that Erigeron breviscapus improves cardiovascular and cerebrovascular function and that one of its ingredients, scutellarin, has potential value in the treatment of Alzheimer's disease, cancer, diabetic vascular complications, and other conditions. In addition, phenolic acid compounds and their metabolites also play an important role in anti-oxidation, anti-inflammation, and improving blood lipids. CONCLUSION Erigeron breviscapus plays an important role in the prevention and treatment of cardiovascular/ cerebrovascular diseases, neuroprotection, and cancer through many different mechanisms of action. Further investigation of its efficacious components and metabolites may provide more possibilities for the clinical application of traditional Chinese medicine and the development of novel drugs.
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Affiliation(s)
- Hua Fan
- Liaoning Inspection, Examination & Certification Centre, Shenyang110036, China
| | - Peng Lin
- Liaoning Inspection, Examination & Certification Centre, Shenyang110036, China
| | - Qiang Kang
- Liaoning Inspection, Examination & Certification Centre, Shenyang110036, China
| | - Zhi-Long Zhao
- Liaoning Inspection, Examination & Certification Centre, Shenyang110036, China
| | - Ji Wang
- Liaoning Inspection, Examination & Certification Centre, Shenyang110036, China
| | - Jia-Yi Cheng
- Liaoning University of Traditional Chinese Medicine, Shenyang110847, China
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5
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Hu WH, Wang HY, Xia YT, Dai DK, Xiong QP, Dong TTX, Duan R, Chan GKL, Qin QW, Tsim KWK. Kaempferol, a Major Flavonoid in Ginkgo Folium, Potentiates Angiogenic Functions in Cultured Endothelial Cells by Binding to Vascular Endothelial Growth Factor. Front Pharmacol 2020; 11:526. [PMID: 32410995 PMCID: PMC7198864 DOI: 10.3389/fphar.2020.00526] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 04/03/2020] [Indexed: 12/24/2022] Open
Abstract
Kaempferol is a major flavonoid in Ginkgo Folium and other edible plants, which is being proposed here to have roles in angiogenesis. Angiogenesis is important in both physiological and pathological development. Here, kaempferol was shown to bind with vascular endothelial growth factor (VEGF), probably in the heparin binding domain of VEGF: this binding potentiated the angiogenic functions of VEGF in various culture models. Kaempferol potentiated the VEGF-induced cell motility in human umbilical vein endothelial cells (HUVECs), as well as the sub-intestinal vessel sprouting in zebrafish embryos and formation of microvascular in rat aortic ring. In cultured HUVECs, application of kaempferol strongly potentiated the VEGF-induced phosphorylations of VEGFR2, endothelial nitric oxide synthase (eNOS) and extracellular signal-regulated kinase (Erk) in time-dependent and concentration-dependent manners, and in parallel the VEGF-mediated expressions of matrix metalloproteinases (MMPs), MMP-2 and MMP-9, were significantly enhanced. In addition, the potentiation effect of kaempferol was revealed in VEGF-induced migration of skin cell and monocyte. Taken together, our results suggested the pharmacological roles of kaempferol in potentiating VEGF-mediated functions should be considered.
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Affiliation(s)
- Wei-Hui Hu
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, The Hong Kong University of Science and Technology, Nanshan, Shenzhen, China.,Division of Life Science and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong.,Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, China
| | - Huai-You Wang
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, The Hong Kong University of Science and Technology, Nanshan, Shenzhen, China.,Division of Life Science and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong
| | - Yi-Teng Xia
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, The Hong Kong University of Science and Technology, Nanshan, Shenzhen, China.,Division of Life Science and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong
| | - Diana Kun Dai
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, The Hong Kong University of Science and Technology, Nanshan, Shenzhen, China.,Division of Life Science and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong
| | - Qing-Ping Xiong
- Division of Life Science and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong.,Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, Huaiyin Institute of Technology, Jiangsu, China
| | - Tina Ting-Xia Dong
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, The Hong Kong University of Science and Technology, Nanshan, Shenzhen, China.,Division of Life Science and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong
| | - Ran Duan
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, The Hong Kong University of Science and Technology, Nanshan, Shenzhen, China.,Division of Life Science and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong
| | - Gallant Kar-Lun Chan
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, The Hong Kong University of Science and Technology, Nanshan, Shenzhen, China.,Division of Life Science and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong
| | - Qi-Wei Qin
- Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural University, Guangzhou, China
| | - Karl Wah-Keung Tsim
- Shenzhen Key Laboratory of Edible and Medicinal Bioresources, The Hong Kong University of Science and Technology, Nanshan, Shenzhen, China.,Division of Life Science and State Key Laboratory of Molecular Neuroscience, The Hong Kong University of Science and Technology, Hong Kong, Hong Kong
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6
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Haybar H, Shahrabi S, Rezaeeyan H, Shirzad R, Saki N. Endothelial Cells: From Dysfunction Mechanism to Pharmacological Effect in Cardiovascular Disease. Cardiovasc Toxicol 2019; 19:13-22. [PMID: 30506414 DOI: 10.1007/s12012-018-9493-8] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Endothelial cells (ECs) are the innermost layer of blood vessels that play important roles in homeostasis and vascular function. However, recent evidence suggests that the onset of inflammation and the production of reactive oxygen species impair the function of ECs and are a main factor in the development of cardiovascular disease (CVD). In this study, we investigated the effects of inflammatory markers, oxidative stress, and treatment on ECs in CVD patients. This review article is based on the material obtained from PubMed up to 2018. The key search terms used were "Cardiovascular Disease," "Endothelial Cell Dysfunction," "Inflammation," "Treatment," and "Oxidative Stress." The generation of reactive oxygen species (ROS) as well as reduced nitric oxide (NO) production by ECs impairs the function of blood vessels. Therefore, treatment of CVD patients leads to the expression of transcription factors activating anti-oxidant mechanisms and NO production. In contrast, NO production by inflammatory agents can cause ECs repair due to differentiation of endothelial progenitor cells (EPCs). Therefore, identifying the molecular pathways leading to the differentiation of EPCs through mediation of factors induced by inflammatory factors can be effective in regenerative medicine for ECs repair.
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Affiliation(s)
- Habib Haybar
- Atherosclerosis Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Saeid Shahrabi
- Department of Biochemistry and Hematology, Faculty of Medicine, Semnan University of Medical Sciences, Semnan, Iran
| | - Hadi Rezaeeyan
- Thalassemia and Hemoglobinopathy Research Center, Research Institute of Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Reza Shirzad
- Thalassemia and Hemoglobinopathy Research Center, Research Institute of Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Najmaldin Saki
- Thalassemia and Hemoglobinopathy Research Center, Research Institute of Health, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
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7
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Liu X, Wen GE, Liu JC, Liao JX, Sun JS. Total synthesis of scutellarin and apigenin 7-O-β-d-glucuronide. Carbohydr Res 2019; 475:69-73. [DOI: 10.1016/j.carres.2019.02.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 02/13/2019] [Accepted: 02/14/2019] [Indexed: 12/12/2022]
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8
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Zeng YQ, Cui YB, Gu JH, Liang C, Zhou XF. Scutellarin Mitigates Aβ-Induced Neurotoxicity and Improves Behavior Impairments in AD Mice. Molecules 2018; 23:molecules23040869. [PMID: 29642616 PMCID: PMC6017345 DOI: 10.3390/molecules23040869] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Revised: 04/02/2018] [Accepted: 04/06/2018] [Indexed: 01/29/2023] Open
Abstract
Alzheimer’s disease (AD) is pathologically characterized by excessive accumulation of amyloid-beta (Aβ) within extracellular spaces of the brain. Aggregation of Aβ has been shown to trigger oxidative stress, inflammation, and neurotoxicity resulting in cognitive dysfunction. In this study, we use models of cerebral Aβ amyloidosis to investigate anti-amyloidogenic effects of scutellarin in vitro and in vivo. Our results show that scutellarin, through binding to Aβ42, efficiently inhibits oligomerization as well as fibril formation and reduces Aβ oligomer-induced neuronal toxicity in cell line SH-SY5Y. After nine months of treatment in APP/PS1 double-transgenic mice, scutellarin significantly improves behavior, reduces soluble and insoluble Aβ levels in the brain and plasma, decreases Aβ plaque associated gliosis and levels of proinflammatory cytokines TNF-α and IL-6, attenuates neuroinflammation, displays anti-amyloidogenic effects, and highlights the beneficial effects of intervention on development or progression of AD-like neuropathology.
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Affiliation(s)
- Yue-Qin Zeng
- Key Laboratory of Stem Cells and Regenerative Medicine, Institute of Molecular and Clinical Medicine, Kunming Medical University, Kunming 650500, China.
| | - Yin-Bo Cui
- Department of Biochemistry, College of Basic Medicine, Kunming Medical University, Kunming 650500, China.
| | - Juan-Hua Gu
- Key Laboratory of Stem Cells and Regenerative Medicine, Institute of Molecular and Clinical Medicine, Kunming Medical University, Kunming 650500, China.
| | - Chen Liang
- Key Laboratory of Stem Cells and Regenerative Medicine, Institute of Molecular and Clinical Medicine, Kunming Medical University, Kunming 650500, China.
| | - Xin-Fu Zhou
- Key Laboratory of Stem Cells and Regenerative Medicine, Institute of Molecular and Clinical Medicine, Kunming Medical University, Kunming 650500, China.
- School of Pharmacy and Medical Sciences, Sansom Institute, University of South Australia, Adelaide 5001, SA, Australia.
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9
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Chledzik S, Strawa J, Matuszek K, Nazaruk J. Pharmacological Effects of Scutellarin, An Active Component of Genus Scutellaria and Erigeron: A Systematic Review. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2018; 46:319-337. [PMID: 29433387 DOI: 10.1142/s0192415x18500167] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Flavonoid compound scutellarin (Scu) is quite frequently met in the plant kingdom, particularly in the genus Scutellaria (Lamiaceae) and Erigeron (Asteraceae). The extract of the herb of Erigeron breviscapus, containing this component in high amount, has been used for many years in traditional Chinese medicine. In recent years, studies have made great progress on the usefulness of Scu for treating various diseases by testing its mechanism of action. They support the traditional use of Scu rich plant in heart and cerebral ischemia. Scu can potentially be applied in Alzheimer's disease, Helicobacter pylori infection, vascular complications of diabetes and as an inhibitor of certain carcinomas. Various methods were designed to improve its isolation from plant material, solubility, absorption and bioavailability. On the basis of recent studies, it is suggested that Scu could be a promising candidate for new natural drug and deserves particular attention in further research and development.
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Affiliation(s)
- Sebastian Chledzik
- 1 Department of Pharmacognosy, Medical University of Bialystok, Bialystok, Poland
| | - Jakub Strawa
- 1 Department of Pharmacognosy, Medical University of Bialystok, Bialystok, Poland
| | - Katarzyna Matuszek
- 1 Department of Pharmacognosy, Medical University of Bialystok, Bialystok, Poland
| | - Jolanta Nazaruk
- 1 Department of Pharmacognosy, Medical University of Bialystok, Bialystok, Poland
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10
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Han T, Li J, Xue J, Li H, Xu F, Cheng K, Li D, Li Z, Gao M, Hua H. Scutellarin derivatives as apoptosis inducers: Design, synthesis and biological evaluation. Eur J Med Chem 2017; 135:270-281. [DOI: 10.1016/j.ejmech.2017.03.020] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 03/10/2017] [Accepted: 03/11/2017] [Indexed: 11/27/2022]
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11
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Huang P, Zhang Q, Pan H, Luan L, Liu X, Wu Y. Optimization of integrated extraction-adsorption process for the extraction and purification of total flavonoids from Scutellariae barbatae herba. Sep Purif Technol 2017. [DOI: 10.1016/j.seppur.2016.11.031] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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12
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Liu C, Huang Y. Chinese Herbal Medicine on Cardiovascular Diseases and the Mechanisms of Action. Front Pharmacol 2016; 7:469. [PMID: 27990122 PMCID: PMC5130975 DOI: 10.3389/fphar.2016.00469] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Accepted: 11/18/2016] [Indexed: 12/21/2022] Open
Abstract
Cardiovascular diseases are the principal cause of death worldwide. The potentially serious adverse effects of therapeutic drugs lead to growing awareness of the role of Chinese herbal medicine in the treatment of cardiovascular diseases. Chinese herbal medicine has been widely used in many countries especially in China from antiquity; however, the mechanisms by which herbal medicine acts in the prevention and treatment of cardiovascular diseases are far from clear. In this review, we briefly describe the characteristics of Chinese herbal medicine by comparing with western medicine. Then we summarize the formulae and herbs/natural products applied in the clinic and animal studies being sorted according to the specific cardiovascular diseases. Most importantly, we elaborate the existing investigations into mechanisms by which herbal compounds act at the cellular levels, including vascular smooth muscle cells, endothelial cells, cardiomyocytes and immune cells. Future research should focus on well-designed clinic trial, in-depth mechanic study, investigations on side effects of herbs and drug interactions. Studies on developing new agents with effectiveness and safety from traditional Chinese medicine is a promising way for prevention and treatment of patients with cardiovascular diseases.
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Affiliation(s)
- Cuiqing Liu
- Department of Preventive Medicine, Basic Medical College, Zhejiang Chinese Medical University Hangzhou, China
| | - Yu Huang
- School of Biomedical Sciences, Institute of Vascular Medicine and Li Ka Shing Institute of Health Sciences, Chinese University of Hong Kong Hong Kong, China
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13
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Zhao S, Sun Y, Li X, Wang J, Yan L, Zhang Z, Wang D, Dai J, He J, Wang S. Scutellarin inhibits RANKL-mediated osteoclastogenesis and titanium particle-induced osteolysis via suppression of NF-κB and MAPK signaling pathway. Int Immunopharmacol 2016; 40:458-465. [PMID: 27728897 DOI: 10.1016/j.intimp.2016.09.031] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 08/24/2016] [Accepted: 09/30/2016] [Indexed: 11/19/2022]
Abstract
Aseptic prosthetic loosening is a major complication after hip joint replacement. Wear particle-induced periprosthetic osteolysis plays a key role in aseptic prosthetic loosening. Attempting to modulate receptor activator of nuclear factor-κB (RANKL) mediated signaling pathways is a promising strategy to prevent aseptic prosthetic loosening. In the present study, we determined the effect of scutellarin (SCU) on titanium (Ti) particle-induced osteolysis in a mouse calvarial model and RANKL-mediated osteoclastogenesis. We determined that SCU, the major effective constituent of breviscapine isolated from a Chinese herb, has potential effects on preventing Ti particle-caused osteolysis in calvarial model of mouse. In vitro, SCU could suppress RANKL-mediated osteoclastogenesis, the function of osteoclast bone resorption, and the expression levels of osteoclast-specific genes (tartrate-resistant acid phosphatase (TRAP), cathepsin K, c-Fos, NFATc1). Further investigation indicated that SCU could inhibit RANKL-mediated MAPK and NF-κB signaling pathway, including JNK1/2, p38, ERK1/2, and IκBα phosphorylation. Taken together, these results indicate that SCU could inhibit osteoclastogenesis and prevent Ti particle-induced osteolysis by suppressing RANKL-mediated MAPK and NF-κB signaling pathway. These results suggest that SCU is a promising therapeutic agent for preventing wear particle-induced periprosthetic osteolysis.
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Affiliation(s)
- Shuai Zhao
- Department of Orthopedics, Xiangya Second Hospital, Central South University, Changsha, Hunan 410012, China.
| | - Yu Sun
- Department of Orthopedics, Clinical medical college of Yangzhou University, Nantong West Road 98, Yangzhou, Jiangsu 225001, China; Orthopedics Institute, Subei People's Hospital of Jiangsu Province, Yangzhou, Jiangsu 225001, China
| | - Xiaolei Li
- Department of Orthopedics, Xiangya Second Hospital, Central South University, Changsha, Hunan 410012, China; Department of Orthopedics, Clinical medical college of Yangzhou University, Nantong West Road 98, Yangzhou, Jiangsu 225001, China; Orthopedics Institute, Subei People's Hospital of Jiangsu Province, Yangzhou, Jiangsu 225001, China
| | - Jingcheng Wang
- Department of Orthopedics, Xiangya Second Hospital, Central South University, Changsha, Hunan 410012, China; Department of Orthopedics, Clinical medical college of Yangzhou University, Nantong West Road 98, Yangzhou, Jiangsu 225001, China; Orthopedics Institute, Subei People's Hospital of Jiangsu Province, Yangzhou, Jiangsu 225001, China.
| | - Lianqi Yan
- Department of Orthopedics, Xiangya Second Hospital, Central South University, Changsha, Hunan 410012, China; Department of Orthopedics, Clinical medical college of Yangzhou University, Nantong West Road 98, Yangzhou, Jiangsu 225001, China; Orthopedics Institute, Subei People's Hospital of Jiangsu Province, Yangzhou, Jiangsu 225001, China.
| | - Zhen Zhang
- Department of Orthopedics, Clinical medical college of Yangzhou University, Nantong West Road 98, Yangzhou, Jiangsu 225001, China; Orthopedics Institute, Subei People's Hospital of Jiangsu Province, Yangzhou, Jiangsu 225001, China
| | - Daxin Wang
- Department of Orthopedics, Xiangya Second Hospital, Central South University, Changsha, Hunan 410012, China; Department of Orthopedics, Clinical medical college of Yangzhou University, Nantong West Road 98, Yangzhou, Jiangsu 225001, China
| | - Jihang Dai
- Department of Orthopedics, Clinical medical college of Yangzhou University, Nantong West Road 98, Yangzhou, Jiangsu 225001, China; Orthopedics Institute, Subei People's Hospital of Jiangsu Province, Yangzhou, Jiangsu 225001, China
| | - Jun He
- Department of Orthopedics, Clinical medical college of Yangzhou University, Nantong West Road 98, Yangzhou, Jiangsu 225001, China; Orthopedics Institute, Subei People's Hospital of Jiangsu Province, Yangzhou, Jiangsu 225001, China
| | - Shuguang Wang
- Department of Orthopedics, Clinical medical college of Yangzhou University, Nantong West Road 98, Yangzhou, Jiangsu 225001, China; Orthopedics Institute, Subei People's Hospital of Jiangsu Province, Yangzhou, Jiangsu 225001, China
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Zhang H, Song Y, Li Z, Zhang T, Zeng L. Evaluation of breviscapine on prevention of experimentally induced abdominal adhesions in rats. Am J Surg 2016; 211:1143-52. [DOI: 10.1016/j.amjsurg.2015.05.037] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Revised: 05/10/2015] [Accepted: 05/25/2015] [Indexed: 11/29/2022]
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Scutellarin Reduces Endothelium Dysfunction through the PKG-I Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:430271. [PMID: 26557858 PMCID: PMC4629023 DOI: 10.1155/2015/430271] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Revised: 07/25/2015] [Accepted: 08/04/2015] [Indexed: 11/18/2022]
Abstract
Purpose. In this report, we investigated the protective mechanism of scutellarin (SCU) in vitro and in vivo which could be involved in endothelial cGMP-dependent protein kinase (PKG), vasodilator stimulated phosphoprotein (VASP) pathway, and vascular endothelium dysfunction (EtD). Method. Human brain microvascular endothelial cells (HBMECs) with hypoxia reoxygenation (HR) treatment and rats with cerebral ischemia reperfusion (CIR) treatment were applied. Protein and mRNA expression of PKG, VASP, and p-VASP were evaluated by Western blot and RT-PCR methods. Vascular EtD was assessed by using wire myography to determine endothelium-dependent vasorelaxation in isolated rat basilar artery (BA). Result. In cultured HBMECs, SCU (0.1, 1, and 10 μM) increased cell viability, mRNA, protein level, and phosphorylative activity of PKG and VASP against HR injury. In HR model of BA, SCU increased protein level of P-VASP. In rat CIR model, wire myography demonstrated that SCU (45 and 90 mg/kg, i.v.) significantly reduced ischemic size by partially restoring the endothelium dependent vasodilation of BA; PKG inhibitor Rp-8-Br-cGMPS (50 μg/kg, i.v.) reversed this protection of SCU in CIR rats. Conclusion. SCU protects against cerebral vascular EtD through endothelial PKG pathway activation.
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Zhang Y, Ma XJ, Shi DZ. Antiplatelet Effect of Active Components Derived from Chinese Herbal Medicine. Chin J Integr Med 2015; 24:632-640. [DOI: 10.1007/s11655-015-2297-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2015] [Indexed: 01/08/2023]
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Scutellarin's Cardiovascular Endothelium Protective Mechanism: Important Role of PKG-Iα. PLoS One 2015; 10:e0139570. [PMID: 26440524 PMCID: PMC4594915 DOI: 10.1371/journal.pone.0139570] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Accepted: 09/15/2015] [Indexed: 11/21/2022] Open
Abstract
Scutellarin (SCU), a flavonoid glycoside compound, has been successfully used in clinic for treatment of ischemic diseases in China. In this report, we checked the effects of SCU on endothelium dysfunction (ED) of coronary artery (CA) against myocardial ischemia reperfusion (MIR) injury in vivo. The involvement of PKG-Iα was further studied using cultured endothelial cells subjected to hypoxia reoxygenation (HR) injury in vitro. In rat MIR model, SCU (45 and 90 mg/kg, iv) significantly reduced ischemic size and restored the endothelium-dependent vasodilation of isolated CA rings. PKG inhibitor Rp-8-Br-cGMP (50 μg/kg, iv) could ameliorate the protective effects of SCU. Increase in phosphorylation of vasodilator-stimulated phosphoprotein (VASP), a main substrate of PKG, at Ser 239 was observed in both heart tissue and serum of SCU-treated animals. In cultured human cardiac microvascular endothelial cells (HCMECs), SCU (1 and 10 μM) dose-dependently protected cell viability and increased the mRNA and protein level of PKG-Iα against HR injury. The activity of PKG was also increased by SCU treatment. The activation of PKG–1α was then studied using targeted proteomic analysis (MRM-MS) checking the phosphorylation state of the autophosphorylation domain (aa42-94). Significant decrease in phosphorylation of PKG-Iα at Ser50, Ser72, Ser89 was induced by HR injury while SCU treatment significantly increased the phosphorylation of PKG-Iα, not only at Ser50, Ser72 and Ser89, but also at Ser44 and Thr58 (two novel phosphorylation domains). Our results demonstrate PKG-Iα might play an important role in the protective effects of SCU on ED against MIR injury.
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Plant-Derived Flavonoids in Ocular Angiopathy. Eur J Ophthalmol 2015; 25:286-7. [DOI: 10.5301/ejo.5000619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/01/2015] [Indexed: 11/20/2022]
Abstract
Encouraging reports of flavonoid activity, mainly coming from in vitro or ex vivo experimental evidence, should be replicated in randomized controlled trials, to examine their ability to prevent angiopathy.
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Scutellarin inhibits high glucose-induced and hypoxia-mimetic agent-induced angiogenic effects in human retinal endothelial cells through reactive oxygen species/hypoxia-inducible factor-1α/vascular endothelial growth factor pathway. J Cardiovasc Pharmacol 2015; 64:218-27. [PMID: 25192544 DOI: 10.1097/fjc.0000000000000109] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Scutellarin inhibits hypoxia-induced and moderately high glucose-induced proliferation and vascular endothelial growth factor (VEGF) expression in human retinal endothelial cells (HRECs); thus, it could be a potential therapy for diabetic retinopathy. However, how scutellarin inhibits VEGF is unknown. In our study, HRECs were treated with high glucose and/or hypoxia-mimetic agent cobalt chloride to stimulate cell proliferation, migration, and angiogenesis, and the effects of scutellarin on these processes were analyzed through cell viability assay, Transwell migration assay and endothelial tube formation assay, respectively. The inhibition of angiogenic factor VEGF by scutellarin was confirmed by reverse transcription polymerase chain reaction and enzyme-linked immunosorbent assay. The mechanisms for VEGF inhibition were examined by luciferase reporter assay, Western blot, immunoprecipitation, and biochemical assays. We found that scutellarin not only concentration-dependently inhibited cell proliferation, migration, and tube formation in HRECs but also decreased their production of VEGF. The reduction of VEGF was due to increased ubiquitination and degradation of hypoxia-inducible factor (HIF)-1α by scutellarin. Furthermore, scutellarin impaired the interaction of HIF-1α with p300, which further decreased the transcriptional activity of HIF-1α. As an inducer of HIF-1α, oxidative stress was attenuated by scutellarin. Our data demonstrate that scutellarin exhibits an antiangiogenic effect via inhibition of oxidative stress, enhancement of HIF-1α degradation, and reduction of VEGF secretion.
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Kaempferol-3-O-rutinoside from Afgekia mahidoliae promotes keratinocyte migration through FAK and Rac1 activation. J Nat Med 2015; 69:340-8. [PMID: 25783411 DOI: 10.1007/s11418-015-0899-3] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2014] [Accepted: 03/06/2015] [Indexed: 10/23/2022]
Abstract
The restoration of the epidermal epithelium through re-epithelialization is a critical process in wound healing. Directed keratinocyte migration to the wound is required, and the retardation of this process may result in a chronic, non-healing wound. The present study contributes to research aiming to identify promising compounds that promote wound healing using a human keratinocyte model. The effects of three kaempferol glycosides from an Afgekia mahidoliae leaf extract, kaempferol-3-O-arabinoside, kaempferol-3-O-glucoside, and kaempferol-3-O-rutinoside, on keratinocyte migration were determined. Interestingly, kaempferol-3-O-rutinoside exhibited a pronounced effect on wound closure in comparison to the parental kaempferol and other glycosides. The mechanism by which kaempferol-3-O-rutinoside enhances cell migration involves the induction of filopodia and lamellipodia formation, increased cellular levels of phosphorylated FAK (Tyr 397) and phosphorylated Akt (Ser 473), and up-regulation of active Rac1-GTP. The data obtained in this study may support the development of this compound for use in wound healing therapies.
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Ju WZ, Zhao Y, Liu F, Wu T, Zhang J, Liu SJ, Zhou L, Dai GL, Xiong NN, Fang ZY. Clinical tolerability and pharmacokinetics of Erigerontis hydroxybenzene injection: results of a randomized phase I study in healthy Chinese volunteers. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2015; 22:319-325. [PMID: 25765839 DOI: 10.1016/j.phymed.2014.11.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Revised: 11/09/2014] [Accepted: 11/25/2014] [Indexed: 06/04/2023]
Abstract
Multiple phenolic compounds in the extract of Erigeron breviscapus synergistically contribute to the neurovascular protective effects. We conducted a phase I and pharmacokinetic study with the phenolic compound-enriched product extracted from Erigeron breviscapus, Erigerontis hydroxybenzenes injection (EHI), in healthy Chinese volunteers. A randomized, open-label, single-center, double-arm, dose-escalation study of EHI was conducted. The tolerability of intravenously EHI administrated in single- or multiple-dose (once daily for 7 days) was studied in 40 healthy Chinese volunteers and the pharmacokinetics of EHI was studied in additional 10 volunteers. The tolerated dose of intravenous infusion of EHI in healthy Chinese volunteers was 6 vials (equivalent to 90 mg bioactive phenolic compounds). The main limitations to dose escalation of EHI were transit changes in electrocardiogram and mild, transit increase in alanine aminotransferase. After intravenous administration of EHI, the average systemic clearance of multiple phenolic compounds of scutellarin, 1,3-dicaffeoylquinic acid, 3,5-dicaffeoylquinic acid, and 3,4-dicaffeoylquinic acid were 131, 29, 262, 112 L/h for male volunteers and 202, 28, 252, 117 L/h for female volunteers. The intervention of intravenous infusion of EHI in healthy Chinese volunteers was generally tolerated. The findings from this study provide data on the tolerability and pharmacokinetics of the extract from Erigeron breviscapus and support further trials.
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Affiliation(s)
- Wen-Zheng Ju
- Department of Clinical Pharmacology, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China.
| | - Yang Zhao
- Department of Pharmaceutical Sciences, University of Pittsburgh, PA, USA.
| | - Fang Liu
- Department of Clinical Pharmacology, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Ting Wu
- Department of Clinical Pharmacology, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Jun Zhang
- Department of Clinical Pharmacology, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Shi-Jia Liu
- Department of Clinical Pharmacology, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Ling Zhou
- Nanjing University of Chinese Medicine, Nanjing, China
| | - Guo-Liang Dai
- Nanjing University of Chinese Medicine, Nanjing, China
| | - Ning-Ning Xiong
- Department of Clinical Pharmacology, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Zhu-Yuan Fang
- Department of Clinical Pharmacology, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China; Department of Cardiovascular Sciences, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
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Sustained release and enhanced bioavailability of injectable scutellarin-loaded bovine serum albumin nanoparticles. Int J Pharm 2014; 476:142-8. [PMID: 25269007 DOI: 10.1016/j.ijpharm.2014.09.038] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 09/08/2014] [Accepted: 09/26/2014] [Indexed: 11/23/2022]
Abstract
The aim of this study is to characterize the in-vitro physicochemical and in-vivo pharmacokinetic properties of the scutellarin-loaded bovine serum albumin nanoparticles (STA-BSA-NPs). STA existed as amorphous form in the nanoparticles. Reconstituted STA-BSA-NPs had an average particle size of 283.4 nm and a zeta potential of +17.95 mV. The in-vitro sustained release profile was well fitted with Weibull distribution model. In comparison to STA solution, STA-BSA-NPs exhibited a significantly higher plasma concentration from 20 min to 6 h after intravenous administration to rats. In addition, significantly higher AUC(0-inf) (2.8-fold), prolonged elimination half-life (4.2-fold) and lower clearance (2.7-fold) were achieved.
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In vitro inhibitory effects of scutellarin on six human/rat cytochrome P450 enzymes and P-glycoprotein. Molecules 2014; 19:5748-60. [PMID: 24802986 PMCID: PMC6271944 DOI: 10.3390/molecules19055748] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2014] [Revised: 04/25/2014] [Accepted: 04/25/2014] [Indexed: 02/08/2023] Open
Abstract
Inhibition of cytochrome P450 (CYP) and P-glycoprotein (P-gp) are regarded as the most frequent and clinically important pharmacokinetic causes among the various possible factors for drug-drug interactions. Scutellarin is a flavonoid which is widely used for the treatment of cardiovascular diseases. In this study, the in vitro inhibitory effects of scutellarin on six major human CYPs (CYP1A2, CYP2C8, CYP2C9, CYP2C19, CYP2D6, and CYP3A4) and six rat CYPs (CYP1A2, CYP2C7, CYP2C11, CYP2C79, CYP2D4, and CYP3A2) activities were examined by using liquid chromatography-tandem mass spectrometry. Meanwhile, the inhibitory effects of scutellarin on P-gp activity were examined on a human metastatic malignant melanoma cell line WM-266-4 by calcein-AM fluorometry screening assay. Results demonstrated that scutellarin showed negligible inhibitory effects on the six major CYP isoenzymes in human/rat liver microsomes with almost all of the IC50 values exceeding 100 μM, whereas it showed values of 63.8 μM for CYP2C19 in human liver microsomes, and 63.1 and 85.6 μM for CYP2C7 and CYP2C79 in rat liver microsomes, respectively. Scutellarin also showed weak inhibitory effect on P-gp. In conclusion, this study demonstrates that scutellarin is unlikely to cause any clinically significant herb-drug interactions in humans when co-administered with substrates of the six CYPs (CYP1A2, CYP2C8, CYP2C9, CYP2C19, CYP2D6, and CYP3A4) and P-gp.
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LI HAIXIA, HUANG DAYONG, GAO ZHONGXIUZI, CHEN YAN, ZHANG LINA, ZHENG JINHUA. Scutellarin inhibits the growth and invasion of human tongue squamous carcinoma through the inhibition of matrix metalloproteinase-2 and -9 and αvβ6 integrin. Int J Oncol 2013; 42:1674-81. [DOI: 10.3892/ijo.2013.1873] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2013] [Accepted: 02/25/2013] [Indexed: 11/06/2022] Open
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Li H, Fan H, Wang Z, Zheng J, Cao W. Potentiation of scutellarin on human tongue carcinoma xenograft by low-intensity ultrasound. PLoS One 2013; 8:e59473. [PMID: 23536878 PMCID: PMC3607613 DOI: 10.1371/journal.pone.0059473] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2012] [Accepted: 02/18/2013] [Indexed: 12/21/2022] Open
Abstract
Scutellarin 7-O-β-d-glucuronide (scutellarin) has shown great potential as a chemotherapeutic agent for cancer treatment, but only at high dosage. Here we investigate the possibility of using low intensity ultrasound to reduce the scutellarin dosage. Ultrasound intensities of 1.0 W/cm2 and 0.05 W/cm2 were used for in vivo and in vitro experiments, respectively, and a very low dosage of scutellarin (15 nM) was used. Tumor-bearing Balb/c mice and SAS human-tongue squamous carcinoma cell suspensions were used for the in vivo and in vitro experiments, respectively. Each kind of subjects was divided into control, ultrasound-alone, scutellarin-alone, and combined ultrasound-scutellarin treatment groups. Only the combined treatment showed strong anticancer effects. In the in vivo case, the combined treatment significantly delayed tumor growth, initiated cellular chromatin changes (including a decrease in the number of cytoplasmic organelles and fragmentation of condensed nuclear chromatin), inhibited tumor angiogenesis and lymphangiogenesis, stopped cancer-cell proliferation, decreased MMP-2 and MMP-9 expression levels and caused cancer-cell apoptosis. In the in vitro case, the combined treatment produced cancer cell-shape irregularity in a manner seriously fractured microvilli, inhibited cancer-cell migratory and invasion activities, and induced cancer-cell apoptosis. Because the combined treatment did not increase intracellular ROS production, scutellarin is not a sonosensitizer so that the anticancer effect is not through sonodynamic therapy. Low-intensity ultrasound is merely increasing the permeability of scutellarin into cancer cells. Based on our results, one may perform localized chemotherapy using much reduced dosage of the drug with the help of low intensity ultrasound, which will greatly minimize side effects.
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Affiliation(s)
- Haixia Li
- Laboratory of Sono- and Photo-theranostic Technologies, Harbin Institute of Technology, Harbin, Heilongjiang, China
- Department of Anatomy, College of Basic Medical Sciences, Harbin Medical University, Harbin, Heilongjiang, China
| | - Haixia Fan
- Department of Anatomy, College of Basic Medical Sciences, Harbin Medical University, Harbin, Heilongjiang, China
| | - Zhu Wang
- Laboratory of Sono- and Photo-theranostic Technologies, Harbin Institute of Technology, Harbin, Heilongjiang, China
| | - Jinhua Zheng
- Laboratory of Sono- and Photo-theranostic Technologies, Harbin Institute of Technology, Harbin, Heilongjiang, China
- Department of Anatomy, College of Basic Medical Sciences, Harbin Medical University, Harbin, Heilongjiang, China
| | - Wenwu Cao
- Laboratory of Sono- and Photo-theranostic Technologies, Harbin Institute of Technology, Harbin, Heilongjiang, China
- Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania, United States of America
- * E-mail:
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Jiang DP, Li Q, Yang J, Perelman JM, Kolosov VP, Zhou XD. Scutellarin Attenuates Human-Neutrophil-Elastase-Induced Mucus Production by Inhibiting the PKC-ERK Signaling Pathway in Vitro and in Vivo. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2012; 39:1193-206. [PMID: 22083990 DOI: 10.1142/s0192415x11009494] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The aim of this study was to investigate the influence of scutellarin on mucus production induced by human neutrophil elastase (HNE) and the possible in vitro and in vivo mechanisms. To this purpose, cells were incubated with saline, scutellarin or gefitinib for 60 min and exposed to 0.1 μM HNE for 24 h. After being pretreated respectively with saline, scutellarin or gefitinib, rats were challenged intratracheally with HNE by means of nebulization for 30 days. The expression of mucin (MUC) 5AC, protein kinase C (PKC), and extracellular signal-regulated kinase 1/2 (ERK1/2) was assessed by ELISA, RT-PCR or Western blotting. The results showed that scutellarin inhibited MUC5AC mRNA and protein expressions induced by HNE in a concentration-dependent manner in vitro. In the in vivo model, scutellarin significantly attenuated MUC5AC mRNA expression and goblet cell hyperplasia in rats treated with HNE for 30 days, as well as decreased the phosporylation of PKC and ERK1/2 compared to the HNE control group. Therefore, our study showed that scutellarin could prevent mucus hypersecretion by inhibiting the PKC-ERK signaling pathway. Inhalation scutellarin may be valuable in the treatment of chronic inflammatory lung disease.
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Affiliation(s)
- De-Peng Jiang
- Department of Respiratory Medicine, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
| | - Qi Li
- Department of Respiratory Medicine, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
| | - Jie Yang
- Department of Respiratory Medicine, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
| | - Juliy M. Perelman
- Far Eastern Scientific Center of Physiology and Pathology of Respiration, Blagoveschensk 675000, Russia
| | - Victor P. Kolosov
- Far Eastern Scientific Center of Physiology and Pathology of Respiration, Blagoveschensk 675000, Russia
| | - Xiang-Dong Zhou
- Department of Respiratory Medicine, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
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Qin HD, Liu ZH, Liu ZP. A modified RBL-2H3 mediator release assay for the detection of polyclonal IgE antibody. Toxicol Mech Methods 2011; 22:105-10. [PMID: 22149966 DOI: 10.3109/15376516.2011.599884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
RBL-2H3 mediator release assay, developed for specific IgE screening studies, was not as sensitive as passive cutaneous anaphylaxis (PCA) assay in the polyclonal antibody detection. In the present investigation, the detection sensitivity of RBL-2H3 assay was elevated by modifying the experiment protocols from choosing the proper releasing medium and optimizing the sensitization manner. The polyclonal antibody was generated from Brown Norway (BN) rats exposed to Ovalbumin (OVA). In contrast to Tyrode buffer A, RBL-2H3 cells cultured in DMEM had a lower spontaneous secretion and a higher response to antigen stimulation, both of which could help to increase the detection sensitivity. The rat sera used in the sensitization process should be diluted appropriately to avoid the proliferation-promoting effect on RBL-2H3 cells. The results of the kinetics of sensitization showed that prolonging the sensitization time and then reculturing the cells in IgE free medium for a further 24 h after the removal of rat sera could reach a marked increase in the degree of sensitization. The highest anti-OVA antibody titer detected by the modified RBL-2H3 assay was 4096, while PCA assay was 1024. These data provide evidence that the modified RBL-2H3 mediator release assay has a promising prospect in the determination of the biologic activity of polyclonal antibody.
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Affiliation(s)
- Hui-Di Qin
- Center for New Drugs Evaluation, Shandong University, Jinan, PR China.
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Cacciapuoti F. Molecular mechanisms of left ventricular hypertrophy (LVH) in systemic hypertension (SH)—possible therapeutic perspectives. ACTA ACUST UNITED AC 2011; 5:449-55. [DOI: 10.1016/j.jash.2011.08.006] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2011] [Revised: 08/12/2011] [Accepted: 08/17/2011] [Indexed: 11/29/2022]
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Dai H. Scutellarin benzyl ester partially secured the ischemic injury by its anti-apoptosis mechanism in cardiomyocytes of neonatal rats. ACTA ACUST UNITED AC 2011; 9:1014-21. [DOI: 10.3736/jcim20110913] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Jiang DP, Perelman JM, Kolosov VP, Zhou XD. Effects of scutellarin on MUC5AC mucin production induced by human neutrophil elastase or interleukin 13 on airway epithelial cells. J Korean Med Sci 2011; 26:778-84. [PMID: 21655064 PMCID: PMC3102872 DOI: 10.3346/jkms.2011.26.6.778] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2010] [Accepted: 03/15/2011] [Indexed: 01/10/2023] Open
Abstract
Scutellarin is a flavonoid extracted from a traditional Chinese herb, Erigeron breviscapus. The present study investigated the effect of scutellarin on MUC5AC mucin production and the possible mechanism. Human bronchial epithelial 16 (HBE16) cells were pretreated with scutellarin for 60 min, and then exposed to human neutrophil elastase (HNE) or interleukin (IL)-13 for 12 hr. RT-PCR and ELISA were performed to measure the amount of MUC5AC mucin production. The results showed that scutellarin inhibited MUC5AC expression both in mRNA and protein level induced by HNE in a concentration-dependent manner. However, scutellarin failed to inhibit MUC5AC mucin production induced by IL-13. To investigate the intracellular mechanisms associated with the effect of scutellarin on MUC5AC mucin production, western blotting was carried out to examine the phosphorylation of protein kinase C (PKC), signal transducer and activator of transcription 6 (STAT6) and extracellular signal-regulated kinase 1/2 (ERK1/2). The phosphorylation of PKC and ERK1/2 was attenuated after treatment with scutellarin, whereas STAT6 was not significantly affected. Therefore, it is suggested that scutellarin down-regulates MUC5AC mucin production on HBE16 cells via ERK-dependent and PKC-dependent pathways.
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Affiliation(s)
- De-Peng Jiang
- Department of Respiratory Medicine, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
| | - Juliy M. Perelman
- Far Eastern Scientific Center of Physiology and Pathology of Respiration, Blagoveschensk, Russia
| | - Victor P. Kolosov
- Far Eastern Scientific Center of Physiology and Pathology of Respiration, Blagoveschensk, Russia
| | - Xiang-Dong Zhou
- Department of Respiratory Medicine, the Second Affiliated Hospital, Chongqing Medical University, Chongqing, China
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