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Ma C, Sheng N, Li Y, Zheng H, Wang Z, Zhang J. A comprehensive perspective on the disposition, metabolism, and pharmacokinetics of representative multi-components of Dengzhan Shengmai in rats with chronic cerebral hypoperfusion after oral administration. JOURNAL OF ETHNOPHARMACOLOGY 2023; 307:116212. [PMID: 36739927 DOI: 10.1016/j.jep.2023.116212] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 01/22/2023] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Dengzhan Shengmai capsule (DZSM), an evidence-based Chinese medicine comprising Erigeron breviscapus (Vaniot) Hand. -Mazz., Panax ginseng C.A.Mey., Ophiopogon japonicus (Thunb.) Ker Gawl., and Schisandra chinensis (Turcz.) Baill., exhibits an excellent efficacy in treating cardio- and cerebrovascular diseases. It contains caffeoyl compounds, flavonoids, saponins, and lignans as primary active components. However, so far, the characteristics of disposition, metabolism, and pharmacokinetics of its active components remain mostly unclear. AIM OF STUDY To elucidate disposition, metabolism, and pharmacokinetics of representative components of DZSM in rats with chronic cerebral hypoperfusion (CCH) by integrating ex vivo and in situ approaches. MATERIALS AND METHODS Exposure and distribution of absorbed prototypes and their metabolites were comprehensively investigated using sensitive LC-MS/MS and high-resolution LC-Q-TOF/MS. Pharmacokinetics of representative 16 components (12 prototypes and 4 metabolites) with different chemical categories, relatively high in vivo levels, wide tissue distribution, and reported neuroprotective activities were profiled. The ex vivo everted gut sac and in situ linked-rat models were adopted. RESULTS Representative 12 prototypes including 6 caffeoyl compounds (CA, 5-CQA, 3-CQA, 4-CQA, 1,3-CQA, and 3,4-CQA), 1 flavonoid (Scu), 2 saponins (Rd and Rg2), and 3 lignans (SchA, SchB, and SolA) presented characteristic absorption, disposition, and pharmacokinetics profiles in CCH rats. The caffeoyl compounds and flavonoid were well absorbed, exhibited wide distribution, and underwent extensive intestinal metabolism, such as methylation, isomerization, and sulfoconjugation. For CA, 5-CQA, Scu, and 4 related metabolites, the enterohepatic circulation was observed and resulted in bimodal or multimodal pharmacokinetic profiles. Saponins showed relatively low systemic exposure and limited distribution. The PPD-type ginsenoside Rd exhibited longer elimination half-life and systemic circulation than the PPT-type ginsenoside Rg2. No enterohepatic circulation was observed regarding saponins, suggesting that the multimodal pharmacokinetic profile of Rd could be due to its multi-site intestinal absorption. Lignans presented a low in vivo exposure and broad distribution. They were mainly transformed into hydroxylated metabolites. Corresponding to its bimodal pharmacokinetic profile, one metabolite of lignans completed the enterohepatic cycle. CONCLUSION The disposition, metabolism, and pharmacokinetic profiles of representative active components of DZSM were comprehensively characterized and elucidated.
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Affiliation(s)
- Congyu Ma
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, PR China.
| | - Ning Sheng
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, PR China.
| | - Yuanyuan Li
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, PR China.
| | - Hao Zheng
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, PR China.
| | - Zhe Wang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, PR China.
| | - Jinlan Zhang
- State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, PR China.
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Yang C, Zhao Q, Yang S, Wang L, Xu X, Li L, Al-Jamal WT. Intravenous Administration of Scutellarin Nanoparticles Augments the Protective Effect against Cerebral Ischemia-Reperfusion Injury in Rats. Mol Pharm 2022; 19:1410-1421. [PMID: 35441510 PMCID: PMC9066406 DOI: 10.1021/acs.molpharmaceut.1c00942] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
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This
study investigates the protective effect of poly(lactic-co-glycolic acid) (PLGA) nanoparticles (NPs) loaded with
scutellarin (SCU), a flavone isolated from the traditional Chinese
medicineErigeron breviscapus (Vant.)
Hand.-Mazz., in reducing cerebral ischemia/reperfusion (I/R) injury in vivo. The focal cerebral I/R injury model was established
by occluding the middle cerebral artery for 1 h in male Sprague-Dawley
(SD) rats. Our SCU-PLGA NPs exhibited an extended in vitro release profile and prolonged blood circulation in rats with cerebral
ischemia. More importantly, when administered intravenously once a
day for 3 days, SCU-PLGA NPs increased the SCU level in the ischemic
brain, compared to free SCU, resulting in a significant reduction
of the cerebral infarct volume after cerebral I/R. Furthermore, SCU-PLGA
NPs reversed the histopathological changes caused by cerebral I/R
injury, as well as attenuated cell apoptosis in the brain tissue,
as confirmed by hematoxylin and eosin, and TUNEL staining. Our findings
have revealed that our injectable SCU-PLGA NPs provide promising protective
effects against cerebral I/R injury, which could be used in combination
with the existing conventional thrombolytic therapies to improve stroke
management.
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Affiliation(s)
- Chang Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants/ Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, China.,Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University, Guiyang, Guizhou 550004, China.,School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, United Kingdom
| | - Qing Zhao
- State Key Laboratory of Functions and Applications of Medicinal Plants/ Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, China.,Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University, Guiyang, Guizhou 550004, China
| | - Shanshan Yang
- State Key Laboratory of Functions and Applications of Medicinal Plants/ Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, China.,Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University, Guiyang, Guizhou 550004, China
| | - Libin Wang
- State Key Laboratory of Functions and Applications of Medicinal Plants/ Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, China.,Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University, Guiyang, Guizhou 550004, China
| | - Xingyuan Xu
- State Key Laboratory of Functions and Applications of Medicinal Plants/ Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, China.,Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University, Guiyang, Guizhou 550004, China
| | - Lisu Li
- State Key Laboratory of Functions and Applications of Medicinal Plants/ Guizhou Provincial Key Laboratory of Pharmaceutics, Guizhou Medical University, Guiyang, Guizhou 550004, China.,Engineering Research Center for the Development and Application of Ethnic Medicine and TCM (Ministry of Education), Guizhou Medical University, Guiyang, Guizhou 550004, China
| | - Wafa T Al-Jamal
- School of Pharmacy, Queen's University Belfast, Belfast BT9 7BL, United Kingdom
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Zhu J, Sainulabdeen A, Akers K, Adi V, Sims JR, Yarsky E, Yan Y, Yu Y, Ishikawa H, Leung CK, Wollstein G, Schuman JS, Wei W, Chan KC. Oral Scutellarin Treatment Ameliorates Retinal Thinning and Visual Deficits in Experimental Glaucoma. Front Med (Lausanne) 2021; 8:681169. [PMID: 34414202 PMCID: PMC8369066 DOI: 10.3389/fmed.2021.681169] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 07/07/2021] [Indexed: 01/29/2023] Open
Abstract
Purpose: Intraocular pressure (IOP) is currently the only modifiable risk factor for glaucoma, yet glaucoma can continue to progress despite controlled IOP. Thus, development of glaucoma neurotherapeutics remains an unmet need. Scutellarin is a flavonoid that can exert neuroprotective effects in the eye and brain. Here, we investigated the neurobehavioral effects of scutellarin treatment in a chronic IOP elevation model. Methods: Ten adult C57BL/6J mice were unilaterally injected with an optically clear hydrogel into the anterior chamber to obstruct aqueous outflow and induce chronic IOP elevation. Eight other mice received unilateral intracameral injection of phosphate-buffered saline only. Another eight mice with hydrogel-induced unilateral chronic IOP elevation also received daily oral gavage of 300 mg/kg scutellarin. Tonometry, optical coherence tomography, and optokinetics were performed longitudinally for 4 weeks to monitor the IOP, retinal nerve fiber layer thickness, total retinal thickness, visual acuity, and contrast sensitivity of both eyes in all three groups. Results: Intracameral hydrogel injection resulted in unilateral chronic IOP elevation with no significant inter-eye IOP difference between scutellarin treatment and untreated groups. Upon scutellarin treatment, the hydrogel-injected eyes showed less retinal thinning and reduced visual behavioral deficits when compared to the untreated, hydrogel-injected eyes. No significant difference in retinal thickness or optokinetic measures was found in the contralateral, non-treated eyes over time or between all groups. Conclusion: Using the non-invasive measuring platform, oral scutellarin treatment appeared to preserve retinal structure and visual function upon chronic IOP elevation in mice. Scutellarin may be a novel neurotherapeutic agent for glaucoma treatment.
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Affiliation(s)
- Jingyuan Zhu
- Beijing Tongren Eye Center, Beijing Key Laboratory of Intraocular Tumor Diagnosis and Treatment, Beijing Ophthalmology & Visual Sciences Key Lab, Medical Artificial Intelligence Research and Verification Key Laboratory of the Ministry of Industry and Information Technology, Beijing Tongren Hospital, Capital Medical University, Beijing, China,Department of Ophthalmology, NYU Grossman School of Medicine, NYU Langone Health, New York University, New York, NY, United States
| | - Anoop Sainulabdeen
- Department of Ophthalmology, NYU Grossman School of Medicine, NYU Langone Health, New York University, New York, NY, United States,Department of Surgery and Radiology, College of Veterinary and Animal Sciences, Kerala Veterinary and Animal Sciences University, Thrissur, India
| | - Krystal Akers
- Department of Ophthalmology, NYU Grossman School of Medicine, NYU Langone Health, New York University, New York, NY, United States
| | - Vishnu Adi
- Department of Ophthalmology, NYU Grossman School of Medicine, NYU Langone Health, New York University, New York, NY, United States
| | - Jeffrey R. Sims
- Department of Ophthalmology, NYU Grossman School of Medicine, NYU Langone Health, New York University, New York, NY, United States
| | - Eva Yarsky
- Department of Ophthalmology, NYU Grossman School of Medicine, NYU Langone Health, New York University, New York, NY, United States
| | - Yi Yan
- Department of Ophthalmology, NYU Grossman School of Medicine, NYU Langone Health, New York University, New York, NY, United States
| | - Yu Yu
- Pleryon Therapeutics Limited, Shenzhen, China
| | - Hiroshi Ishikawa
- Department of Ophthalmology, NYU Grossman School of Medicine, NYU Langone Health, New York University, New York, NY, United States,Department of Biomedical Engineering, Tandon School of Engineering, New York University, New York, NY, United States
| | - Christopher K. Leung
- Hong Kong Eye Hospital, University Eye Center, Hong Kong, China,Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China,Department of Ophthalmology, The University of Hong Kong, Hong Kong, China
| | - Gadi Wollstein
- Department of Ophthalmology, NYU Grossman School of Medicine, NYU Langone Health, New York University, New York, NY, United States,Department of Biomedical Engineering, Tandon School of Engineering, New York University, New York, NY, United States
| | - Joel S. Schuman
- Department of Ophthalmology, NYU Grossman School of Medicine, NYU Langone Health, New York University, New York, NY, United States,Department of Biomedical Engineering, Tandon School of Engineering, New York University, New York, NY, United States,Center for Neural Science, College of Arts and Science, New York University, New York, NY, United States,Neuroscience Institute, NYU Grossman School of Medicine, NYU Langone Health, New York University, New York, NY, United States
| | - Wenbin Wei
- Beijing Tongren Eye Center, Beijing Key Laboratory of Intraocular Tumor Diagnosis and Treatment, Beijing Ophthalmology & Visual Sciences Key Lab, Medical Artificial Intelligence Research and Verification Key Laboratory of the Ministry of Industry and Information Technology, Beijing Tongren Hospital, Capital Medical University, Beijing, China,Wenbin Wei
| | - Kevin C. Chan
- Department of Ophthalmology, NYU Grossman School of Medicine, NYU Langone Health, New York University, New York, NY, United States,Department of Biomedical Engineering, Tandon School of Engineering, New York University, New York, NY, United States,Center for Neural Science, College of Arts and Science, New York University, New York, NY, United States,Neuroscience Institute, NYU Grossman School of Medicine, NYU Langone Health, New York University, New York, NY, United States,Department of Radiology, NYU Grossman School of Medicine, NYU Langone Health, New York University, New York, NY, United States,*Correspondence: Kevin C. Chan
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Wang X, Zhang C, Han N, Luo J, Zhang S, Wang C, Jia Z, Du S. Triglyceride-mimetic prodrugs of scutellarin enhance oral bioavailability by promoting intestinal lymphatic transport and avoiding first-pass metabolism. Drug Deliv 2021; 28:1664-1672. [PMID: 34338567 PMCID: PMC8330727 DOI: 10.1080/10717544.2021.1960928] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
The intestinal capillary pathway is the most common way to absorb oral drugs, but for drugs with poor solubility and permeability and high first-pass metabolism, this pathway is very inefficient. Although intestinal lymphatic transport of lipophilic drugs or prodrugs is a promising strategy to improve the oral delivery efficiency of these drugs. The prodrug strategy for modifying compounds with Log P > 5 to promote intestinal lymphatic transport is a common approach. However, transport of poor liposoluble compounds (Log P < 0) through intestinal lymph has not been reported. Herein, triglyceride-mimetic prodrugs of scutellarin were designed and synthesized to promote intestinal lymphatic transport and increase oral bioavailability. Lymphatic transport and pharmacokinetic experiments showed that two prodrugs did promote intestinal lymphatic transport of scutellarin and the relative oral bioavailability was 2.24- and 2.45-fold of scutellarin, respectively. In summary, triglyceride-mimetic prodrugs strategy was used for the first time to study intestinal lymphatic transport of scutellarin with Log P < 0, which could further broaden the application range of drugs to improve oral bioavailability with the assistance of intestinal lymphatic transport.
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Affiliation(s)
- Xinran Wang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Cai Zhang
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Ning Han
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Juyuan Luo
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Shuofeng Zhang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Chunguo Wang
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Zhanhong Jia
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
| | - Shouying Du
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China
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5
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Song Z, Yin J, Xiao P, Chen J, Gou J, Wang Y, Zhang Y, Yin T, Tang X, He H. Improving Breviscapine Oral Bioavailability by Preparing Nanosuspensions, Liposomes and Phospholipid Complexes. Pharmaceutics 2021; 13:pharmaceutics13020132. [PMID: 33498470 PMCID: PMC7909566 DOI: 10.3390/pharmaceutics13020132] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/14/2021] [Accepted: 01/16/2021] [Indexed: 11/19/2022] Open
Abstract
Breviscapine (BVP), a flavonoid compound, is widely used in the treatment of cardiovascular and cerebrovascular diseases; however, the low oral bioavailability and short half-life properties limit its application. The aim of this study was to investigate the three preparations for improving its oral bioavailability: nanosuspensions (BVP-NS), liposomes (BVP-LP) and phospholipid complexes (BVP-PLC). In vitro and in vivo results suggested that these three could all significantly improved the cumulative released amount and oral bioavailability compared with physical mixture, in which BVP-PLC was the most optimal preparation with the relative bioavailability and mean retention time of 10.79 ± 0.25 (p < 0.01) and 471.32% (p < 0.01), respectively. Furthermore, the influence of drug-lipid ratios on the in vitro release and pharmacokinetic behavior of BVP-PLC was also studied and the results showed that 1:2 drug-lipid ratio was the most satisfactory one attributed to the moderate-intensity interaction between drug and phospholipid which could balance the drug loading and drug release very well.
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Affiliation(s)
- Zilin Song
- Department of Pharmaceutics, College of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China; (Z.S.); (J.Y.); (P.X.); (J.C.); (J.G.); (Y.W.); (Y.Z.); (X.T.)
| | - Jiaojiao Yin
- Department of Pharmaceutics, College of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China; (Z.S.); (J.Y.); (P.X.); (J.C.); (J.G.); (Y.W.); (Y.Z.); (X.T.)
| | - Peifu Xiao
- Department of Pharmaceutics, College of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China; (Z.S.); (J.Y.); (P.X.); (J.C.); (J.G.); (Y.W.); (Y.Z.); (X.T.)
| | - Jin Chen
- Department of Pharmaceutics, College of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China; (Z.S.); (J.Y.); (P.X.); (J.C.); (J.G.); (Y.W.); (Y.Z.); (X.T.)
| | - Jingxin Gou
- Department of Pharmaceutics, College of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China; (Z.S.); (J.Y.); (P.X.); (J.C.); (J.G.); (Y.W.); (Y.Z.); (X.T.)
| | - Yanjiao Wang
- Department of Pharmaceutics, College of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China; (Z.S.); (J.Y.); (P.X.); (J.C.); (J.G.); (Y.W.); (Y.Z.); (X.T.)
| | - Yu Zhang
- Department of Pharmaceutics, College of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China; (Z.S.); (J.Y.); (P.X.); (J.C.); (J.G.); (Y.W.); (Y.Z.); (X.T.)
| | - Tian Yin
- School of Food and Wine, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang 110016, China;
| | - Xing Tang
- Department of Pharmaceutics, College of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China; (Z.S.); (J.Y.); (P.X.); (J.C.); (J.G.); (Y.W.); (Y.Z.); (X.T.)
| | - Haibing He
- Department of Pharmaceutics, College of Pharmacy, Shenyang Pharmaceutical University, Shenyang 110016, China; (Z.S.); (J.Y.); (P.X.); (J.C.); (J.G.); (Y.W.); (Y.Z.); (X.T.)
- Correspondence:
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Novel breviscapine nanocrystals modified by panax notoginseng saponins for enhancing bioavailability and synergistic anti-platelet aggregation effect. Colloids Surf B Biointerfaces 2018; 175:333-342. [PMID: 30554011 DOI: 10.1016/j.colsurfb.2018.11.067] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 11/07/2018] [Accepted: 11/26/2018] [Indexed: 12/16/2022]
Abstract
Breviscapine (BVP) is a flavonoid compound with strong neuroprotective and anti-platelet aggregation effect. The objective of this study is to design novel BVP nanocrystals modified by natural panax notoginseng saponins (PNS) for enhancing dissolution and anti-platelet aggregation effect of BVP. BVP nanocrystals modified by PNS (BVP-NC/PNS) were firstly prepared by coupling homogenization technology and freeze-drying technology, and BVP nanocrystals modified by RH40 (BVP-NC/RH40) as reference for comparison. The morphology, crystals characterization, dissolution behavior and anti-platelet aggregation effect of BVP-NC/PNS was systemically evaluated. The results demonstrated that the PNS could effectively maintain stability of BVP-NC at suspensions state dependent of its surface activity and the electrostatic repulsion effect. Combination of PNS and trehalose could prevent the aggregation of BVP-NC/PNS during freeze-drying. The PXRD and DSC results demonstrated that the BVP crystal state in BVP-NC/PNS was not changed owing to PNS modification and homogenization treatment. And the freeze-dried BVP-NC could easily recover back to BVP-NS and significantly improve the dissolution of BVP. The AUC(0-∞) of the BVP-NC/PNS was 4.54 times as high as that of the coarse BVP, but not significantly different compared to that of BVP-NC/RH40 (p < 0.05). The anti-platelet aggregation results demonstrated that, BVP-NC/PNS group showed more effective inhibition on PAF-induced platelet aggregation compared with corresponding control groups, which might attribute to the enhanced bioavailability of BVP and synergistic effect of PNS with BVP. In conclusion, PNS could be used as an alternative stabilizer for preparation of BVP-NC, and BVP-NC modified by PNS is a promising formulation strategy for enhancing oral bioavailability and anti-platelet aggregation of BVP.
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Wang L, Ma Q. Clinical benefits and pharmacology of scutellarin: A comprehensive review. Pharmacol Ther 2018; 190:105-127. [DOI: 10.1016/j.pharmthera.2018.05.006] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Deng W, Han W, Fan T, Wang X, Cheng Z, Wan B, Chen J. Scutellarin inhibits human renal cancer cell proliferation and migration via upregulation of PTEN. Biomed Pharmacother 2018; 107:1505-1513. [PMID: 30257368 DOI: 10.1016/j.biopha.2018.08.127] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 08/18/2018] [Accepted: 08/24/2018] [Indexed: 10/28/2022] Open
Abstract
BACKGROUND Scutellarin is a naturally flavone glycoside that has been shown to exhibit anti-proliferative and anti-apoptotic activities among various human malignancies. However, the anti-cancer effect of Scutellarin in Renal cell carcinoma (RCC) and the underlying mechanism remains unclear. METHODS AND MATERIALS RCC cell lines ACHN and 786-O were treated with different concentrations (0-210 μM) of Scutellarin in vitro. Cell viability and proliferation were investigated by MTT and colony formation assays. Cell invasion and migration were detected by Transwell assays. Cell apoptosis and cell cycle distribution was measured by flow cytometry. Western blot was used to investigate the expression levels of crucial proteins. Xenograft tumor model was established to evaluate tumor growth in vivo. RESULTS Scutellarin significantly inhibited RCC cell proliferation in a dose- and time- dependent manner. Treatment of RCC cells with Scutellarin (30, 60, and 90 μM) markedly induced apoptosis and cell cycle arrested at G0/G1 phase in a concentration-dependent characteristic. Cell invasion and migration capacities of RCC cells were also dose-dependently suppressed by Scutellarin treatment. Western blot assays revealed that the crucial proteins including cyclin D1, CDK2, Bcl2, MMP-2, and MMP-9 were significantly reduced while Bax, cleaved caspase 3 and p21 were increased by Scutellarin in RCC cells. In vivo assay indicated that Scutellarin possessed anti-cancer effect on xenograft without triggering toxic effect. Mechanically, Scutellarin dramatically increased the protein level of phosphatase and tensin homologue (PTEN) and inhibited the activity of P13K/AKT/mTOR signaling. Ectopic expression of PTEN enhanced the inhibitory effect of Scutellarin on RCC proliferation while knockdown of PTEN abrogated it through regulating its downstream P13K/AKT/mTOR signaling pathway. CONCLUSION Scutellarin inhibited RCC cell proliferation and invasion partially by enhancing the expression of PTEN through inhibition of P13K/AKT/mTOR pathway, suggesting that Scutellarin might serve as a potential therapeutic agent in RCC treatment.
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Affiliation(s)
- Wenting Deng
- College of Pharmacy, Xi'an Medical University, No. 1 Xinwang Road of Weiyang District, 710021, Xi'an, Shaanxi, China.
| | - Wei Han
- Department of Medical Equipment, Shaanxi Provincial People's Hospital, No. 256 Youyi West Road, 710068, Xi'an, Shaanxi, China
| | - Tao Fan
- College of Pharmacy, Xi'an Medical University, No. 1 Xinwang Road of Weiyang District, 710021, Xi'an, Shaanxi, China
| | - Xiaoku Wang
- College of Pharmacy, Xi'an Medical University, No. 1 Xinwang Road of Weiyang District, 710021, Xi'an, Shaanxi, China
| | - Zhao Cheng
- College of Pharmacy, Xi'an Medical University, No. 1 Xinwang Road of Weiyang District, 710021, Xi'an, Shaanxi, China
| | - Bo Wan
- College of Pharmacy, Xi'an Medical University, No. 1 Xinwang Road of Weiyang District, 710021, Xi'an, Shaanxi, China
| | - Jinlian Chen
- College of Pharmacy, Xi'an Medical University, No. 1 Xinwang Road of Weiyang District, 710021, Xi'an, Shaanxi, China
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Study on Antitumour Activity of Scutellarin and Its Metabolite Scutellarein by Combining Activity Screening, Target Tissue Distribution and Pharmacokinetics. Chromatographia 2017. [DOI: 10.1007/s10337-017-3260-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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10
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Xiao L, Yi T, Chen M, Lam CWK, Zhou H. A new mechanism for increasing the oral bioavailability of scutellarin with Cremophor EL: Activation of MRP3 with concurrent inhibition of MRP2 and BCRP. Eur J Pharm Sci 2016; 93:456-67. [DOI: 10.1016/j.ejps.2016.08.054] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Revised: 08/24/2016] [Accepted: 08/28/2016] [Indexed: 01/16/2023]
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Application of N-substituted (aminomethyl)benzoate Strategy in Design of Scutellarein Derivatives with Improved Caco-2 Cell Permeability and In VitroAntioxidative Activity. B KOREAN CHEM SOC 2015. [DOI: 10.1002/bkcs.10377] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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12
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Lin H, Zhang W, Dong ZX, Gu T, Li NG, Shi ZH, Kai J, Qu C, Shang GX, Tang YP, Fang F, Li HM, Yang JP, Duan JA. A new and practical synthetic method for the synthesis of 6-O-methyl-scutellarein: one metabolite of scutellarin in vivo. Int J Mol Sci 2015; 16:7587-94. [PMID: 25854429 PMCID: PMC4425036 DOI: 10.3390/ijms16047587] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2014] [Revised: 03/15/2015] [Accepted: 03/17/2015] [Indexed: 11/16/2022] Open
Abstract
Scutellarin (1) has been used for the treatment of angina pectoris, cerebral infarction and coronary heart disease with a large market share in China. Pharmacokinetic studies on scutellarin showed that scutellarin (1) is readily converted into its metabolites in vivo. In this paper, a new and practical synthetic method for the synthesis of 6-O-methyl-scutellarein (3) (one metabolite of scutellarin in vivo) is reported. The benzyl bromide was firstly used to selectively replace the acetyl group at C-7 in 7, and was then used to protect the hydroxy groups at C-4' in 10, 6-O-methyl-scutellarein (3) is obtained in high yield through these methods.
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Affiliation(s)
- Hang Lin
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
| | - Wei Zhang
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
| | - Ze-Xi Dong
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
| | - Ting Gu
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
| | - Nian-Guang Li
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
| | - Zhi-Hao Shi
- Department of Organic Chemistry, China Pharmaceutical University, Nanjing 211198, Jiangsu, China.
| | - Jun Kai
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
| | - Cheng Qu
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
| | - Guan-Xiong Shang
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
| | - Yu-Ping Tang
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
| | - Fang Fang
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
| | - He-Min Li
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
| | - Jian-Ping Yang
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
| | - Jin-Ao Duan
- National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, China.
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, 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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14
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Yang X, Miao X, Cao F, Li S, Ai N, Chang Q, Lee SMY, Zheng Y. Nanosuspension development of scutellarein as an active and rapid orally absorbed precursor of its BCS class IV glycoside scutellarin. J Pharm Sci 2014; 103:3576-3584. [PMID: 25187229 DOI: 10.1002/jps.24149] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Revised: 08/10/2014] [Accepted: 08/12/2014] [Indexed: 11/09/2022]
Abstract
This work addressed solubility and membrane permeability problems of Biopharmaceutics Classification System (BCS) Class IV glycoside scutellarin (SG) by developing a nanosuspension of its aglycone scutellarein (S) as a precursor. An S nanosuspension containing poloxamer 188 was prepared using antisolvent precipitation where hydroxypropyl-β-cyclodextrin was utilized as a lyophilizing protectant. Particle size and polydispersity index after redispersion were 342.6 ± 18.2 and 0.32 ± 0.06 nm, respectively. The dissolution rate of the S nanosuspension was superior compared with the physical mixture. No free S, but SG and SG's isomer were detected in plasma following oral delivery of SG or S, S nanosuspension or physical mixture of S. The Cmax values of SG after dosing with the S nanosuspension were 12.0, 8.0, and 4.5-fold higher than the SG, S, or physical mixture, respectively. The Tmax and mean residence time (MRTlast ) of SG after dosing with the S nanosuspension were significantly shorter than S and SG. Treatments with SG, S, or S nanosuspensions reduced the hemorrhage rate in a zebrafish model, but the S nanosuspension exhibited the strongest rescue effect. This study highlights a new strategy to circumvent BCS Class IV flavonoid glycosides using a formulation of their aglycone as a precursor to accelerate oral absorption and improve bioactivity.
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Affiliation(s)
- Xiao Yang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Science, University of Macau, Macao, China
| | - Xiaoqing Miao
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Science, University of Macau, Macao, China
| | - Fangrui Cao
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Shang Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Science, University of Macau, Macao, China
| | - Nana Ai
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Science, University of Macau, Macao, China
| | - Qi Chang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Simon M Y Lee
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Science, University of Macau, Macao, China
| | - Ying Zheng
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Science, University of Macau, Macao, China.
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15
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Simultaneous determination of three glucuronide conjugates of scutellarein in rat plasma by LC-MS/MS for pharmacokinetic study of breviscapine. J Chromatogr B Analyt Technol Biomed Life Sci 2014; 965:79-84. [PMID: 24999248 DOI: 10.1016/j.jchromb.2014.06.013] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Revised: 05/03/2014] [Accepted: 06/12/2014] [Indexed: 11/21/2022]
Abstract
A selective and sensitive LC-MS/MS method was developed and validated for simultaneous determination of three glucuronide conjugates of scutellarein in rat plasma. Plasma samples were pretreated by protein precipitation with acetonitrile. The analytes (scutellarin, scutellarein-6,7-di-O-β-d-glucuronide and scutellarein-6-O-β-d-glucuronide), together with internal standard (IS, baicalin) were separated on a Diamonsil C18 column (150 mm × 4.6 mm, 5 μm) with an isocratic mobile phase consisting of methanol-water-formic acid (55:45:0.2, v/v/v). Mass spectrometric detection was performed by selected reaction monitoring (SRM) mode via electrospray ionization source operating in negative ionization mode. The method was linear for all the analytes over the investigated concentration ranges with correlation coefficients greater than 0.9954. The intra- and inter-day precisions were less than 9.1% and the relative error was between -1.7% and 4.2%. The extraction recoveries of the analytes and IS from rat plasma were over 63%. The validated method has been successfully applied to a pharmacokinetic study of breviscapine in rats after intragastric administration at a dose of 20mg/kg. The pharmacokinetic results would be helpful to better understand the pharmacological actions of breviscapine.
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16
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You HS, Xing JF, Lu J, Dong WH, Liu JT, Dong YL. Influence of the Gastrointestinal Microflora and Efflux Transporters on the Absorption of Scutellarin and Scutellarein. Phytother Res 2014; 28:1295-300. [PMID: 24504668 DOI: 10.1002/ptr.5127] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Revised: 01/10/2014] [Accepted: 01/14/2014] [Indexed: 12/15/2022]
Affiliation(s)
- Hai-Sheng You
- Department of Pharmacy; The First Affiliated Hospital, College of Medicine, Xi'an Jiaotong University; Xi'an China
| | - Jian-Feng Xing
- Department of Pharmacy, College of Medicine; Xi'an Jiaotong University; Xi'an China
| | - Jun Lu
- Department of Pharmacy; The First Affiliated Hospital, College of Medicine, Xi'an Jiaotong University; Xi'an China
| | - Wei-Hua Dong
- Department of Pharmacy; The First Affiliated Hospital, College of Medicine, Xi'an Jiaotong University; Xi'an China
| | - Jun-Tian Liu
- Department of Pharmacology, College of Medicine; Xi'an Jiaotong University; Xi'an China
| | - Ya-Lin Dong
- Department of Pharmacy; The First Affiliated Hospital, College of Medicine, Xi'an Jiaotong University; Xi'an China
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17
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Li NG, Shen MZ, Wang ZJ, Tang YP, Shi ZH, Fu YF, Shi QP, Tang H, Duan JA. Design, synthesis and biological evaluation of glucose-containing scutellarein derivatives as neuroprotective agents based on metabolic mechanism of scutellarin in vivo. Bioorg Med Chem Lett 2013. [DOI: 10.1016/j.bmcl.2012.11.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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18
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Abstract
Neuroprotection for glaucoma is a therapeutic approach that aims to prevent optic nerve damage or cell death. An appropriate drug that reaches an adequate concentration across the blood retinal barrier is expected to shield the retina in glaucoma. Several in vitro and in vivo attempts in experimental models indicate the possibility of successful neuroprotection. However, clinical trials might not show the same level of neuroprotection as a result of subtherapeutic concentrations of the drug in the eye. The study by Zhong et al. in this issue of Drugs in R&D could not attribute the observed improvement in visual field indices to any one of the individual active constituents of Erigeron breviscapus (vant.) Hand. Mazz. (EBHM). One of the major constituents of EBHM is scutellarin, which is known to have poor oral bioavailability and an unclear ability to penetrate inside the eye. Therefore, before recognizing EBHM as a neuroprotectant in glaucoma for further clinical studies and practice, its active constituents and their pharmacokinetics (systemic as well as ocular) need to be explored.
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Affiliation(s)
- Thirumurthy Velpandian
- Department of Ocular Pharmacology and Pharmacy, Dr Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India.
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19
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Gao C, Chen X, Zhong D. Absorption and Disposition of Scutellarin in Rats: A Pharmacokinetic Explanation for the High Exposure of Its Isomeric Metabolite. Drug Metab Dispos 2011; 39:2034-44. [DOI: 10.1124/dmd.111.040550] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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20
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Wang Y, Ao H, Qian Z, Zheng Y. Intestinal transport of scutellarein and scutellarin and first-pass metabolism by UDP-glucuronosyltransferase-mediated glucuronidation of scutellarein and hydrolysis of scutellarin. Xenobiotica 2011; 41:538-48. [PMID: 21561321 DOI: 10.3109/00498254.2011.578762] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Scutellarin (SG) is a bioactive flavonoid used to treat cardiovascular disease. Scutellarein (S) is the aglycone form of SG. This study aimed to characterize their intestinal transport and first-pass metabolism by UDP-glucuronosyltransferase-mediated glucuronidation and β-glucuronidase-mediated hydrolysis. Results showed that S is more readily passed through Caco-2 cell monolayers by passive diffusion than SG. SG was the predominant metabolite of S, which was formed during the transportation of S across Caco-2 cell monolayers or following incubation of S with human microsomes. SG was extensively generated in human liver microsomes (HLMs), which was demonstrated by its higher catalyzing efficiency (C(lint)) in liver microsomes than in human intestinal microsomes (HIMs). Enzymatic kinetic analysis indicated that the catalyzing efficiency of UGT1A9 was the highest among the tested UGTs under the present experimental conditions, followed by UGT1A1 and UGT1A3. No significant P450-mediated hydroxylation of S was found. SG may be hydrolyzed into S in both HLMs and HIMs.
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Affiliation(s)
- Yazhi Wang
- Institute of Chinese Medical Sciences, University of Macau, Macau SAR, China
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21
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Xing JF, You HS, Dong YL, Lu J, Chen SY, Zhu HF, Dong Q, Wang MY, Dong WH. Metabolic and pharmacokinetic studies of scutellarin in rat plasma, urine, and feces. Acta Pharmacol Sin 2011; 32:655-63. [PMID: 21516133 DOI: 10.1038/aps.2011.11] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
AIM To study the metabolic and pharmacokinetic profile of scutellarin, an active component from the medical plant Erigeron breviscapus (Vant) Hand-Mazz, and to investigate the mechanisms underlying the low bioavailability of scutellarin though oral or intravenous administration in rats. METHODS HPLC method was developed for simultaneous detection of scutellarin and scutellarein (the aglycone of scutellarin) in rat plasma, urine and feces. The in vitro metabolic stability study was carried out in rat liver microsomes from different genders. RESULTS After a single oral dose of scutellarin (400 mg/kg), the plasma concentrations of scutellarin and scutellarein in female rats were significantly higher than in male ones. Between the female and male rats, significant differences in AUC, t(max2) and C(max2) for scutellarin were found. The pharmacokinetic parameters of scutellarin in the urine also showed significant gender differences. After a single oral dose of scutellarin (400 mg/kg), the total percentage excretion of scutellarein in male and female rats was 16.5% and 8.61%, respectively. The total percentage excretion of scutellarin and scutellarein in the feces was higher with oral administration than with intravenous administration. The in vitro t(1/2) and CL(int) value for scutellarin in male rats was significantly higher than that in female rats. CONCLUSION The results suggest that a large amount of ingested scutellarin was metabolized into scutellarein in the gastrointestinal tract and then excreted with the feces, leading to the extremely low oral bioavailability of scutellarin. The gender differences of pharmacokinetic parameters of scutellarin and scutellarein are due to the higher CL(int) and lower absorption in male rats.
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Wang M, Fang L, Ren C, Li T. Effect of ion-pairing and enhancers on scutellarin skin permeability. J Pharm Pharmacol 2010; 60:429-35. [DOI: 10.1211/jpp.60.4.0004] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Abstract
The aim of this work was to investigate the effect of enhancers and organic amines on the in-vitro percutaneous absorption of the major pharmacologically active compound, scutellarin, obtained from breviscapine extract. The donor vehicle consisted of isopropyl myristate-ethanol in a ratio of 4:1. Percutaneous absorption across full thickness rat skin was investigated in-vitro using 2-chamber diffusion cells, with reverse-phase HPLC for quantification of the permeating scutellarin. Organic amines increased scutellarin permeation by ion-pair formation. We also found that the cumulative amount of scutellarin over a period of 12 h of scutellarin was inversely related to the molecular weight of organic amines (r = 0.9134), as well as the logarithm of scutellarin permeability coefficient inversely related to the partition coefficient of organic amines (r = 0.8929). All the permeation enhancers tested increased the cumulative amount of scutellarin over a period of 12 h, and the order of this increase was n-methyl-2-pyrrolidone, oleic acid, menthol or Azone. Drug solubility in donor phase was markedly increased by Azone and n-methyl-2-pyrrolidone, and reduced by menthol and oleic acid. The combined effects of ethanolamine plus Azone, ethanolamine plus menthol, and Azone plus menthol were also investigated. Azone plus menthol had a synergistic effect on the cumulative amount of scutellarin over a period of 12 h.
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Affiliation(s)
- Manli Wang
- Department of Pharmaceutical Sciences, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning, 110016, China
- College of Pharmacy, Beihua University, 3999 Huashan Road, Jilin, 132013, China
| | - Liang Fang
- Department of Pharmaceutical Sciences, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning, 110016, China
| | - Changshun Ren
- Department of Pharmaceutical Sciences, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning, 110016, China
| | - Ting Li
- Department of Pharmaceutical Sciences, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning, 110016, China
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Lu J, Liu Q, Zhao X, Gao R, Cong W, Wang Y, Luo G. Simultaneous RP-LC Analysis of the Prodrug Scu-PEG and its Metabolite Scutellarin in Rat Plasma. Chromatographia 2010. [DOI: 10.1365/s10337-009-1468-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Chinese medicinal herb Scutellaria barbata modulates apoptosis and cell survival in murine and human prostate cancer cells and tumor development in TRAMP mice. Eur J Cancer Prev 2009; 18:331-41. [DOI: 10.1097/cej.0b013e32832c3859] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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25
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26
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Liu CZ, Gao M, Guo B. Plant regeneration of Erigeron breviscapus (vant.) Hand. Mazz. and its chromatographic fingerprint analysis for quality control. PLANT CELL REPORTS 2008; 27:39-45. [PMID: 17938931 DOI: 10.1007/s00299-007-0466-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2007] [Revised: 10/01/2007] [Accepted: 10/05/2007] [Indexed: 05/25/2023]
Abstract
An efficient micropropagation system for Erigeron breviscapus (vant.) Hand. Mazz., an important medicinal plant for heart disease, has been developed. Shoot organogenesis occurred from E. breviscapus leaf explants inoculated on a medium supplemented with a combination of plant growth regulators. On average, 17 shoots per leaf explant were produced after 30 days when they were cultured on MS basal salts and vitamin medium containing 5 microM 6-benzylaminopurine (BAP) and 5 microM 1-naphthaleneacetic acid (NAA). All the regenerated shoots formed complete plantlets on a medium containing 2.5-10 microM indole-3-butyric acid (IBA) within 30 days, and 80.2% of the regenerated plantlets survived and grew vigorously in field conditions. Based on the variation in common peaks and the produced amount of the most important bioactive component, scutellarin, a high performance liquid chromatography (HPLC) fingerprinting system was developed for quality control of these micropropagated plants. Chemical constituents in E. breviscapus micropropagated plants varied during plant development from regeneration to maturation, the latter of which showed the most similar phytochemical profile in comparison with mother plants. The regeneration protocol and HPLC fingerprint analysis developed here provided a new approach to quality control of micropropagated plants producing secondary metabolites with significant implications for germplasm conservation.
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Affiliation(s)
- Chun-Zhao Liu
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100080, People's Republic of China.
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27
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Xia H, Qiu F, Zhu S, Zhang T, Qu G, Yao X. Isolation and Identification of Ten Metabolites of Breviscapine in Rat Urine. Biol Pharm Bull 2007; 30:1308-16. [PMID: 17603172 DOI: 10.1248/bpb.30.1308] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Breviscapine, is the total flavonoid components (the content of scutellarin > or =85%) extracted from the dried whole plant of Erigeron breviscapus (VANT.) HAND.-MAZZ, and its preparations are generally used in the clinic for the treatment of cerebral and cardio-vascular diseases in China. In this paper, the metabolites of breviscapine in the urine of rats after oral administration were investigated. The ten metabolites were isolated by open-column chromatography and preparative high-performance liquid chromatography, and their structures were elucidated by MS, NMR spectroscopy including (1)H-NMR, (13)C-NMR, and NOESY (nuclear Overhauser enhancement spectroscopy), enzymatic hydrolysis and chemical evidence. The ten metabolites were identified as scutellarein-6,7-di-O-beta-D-glucuronide (M-1), scutellarein (M-2), 6-O-methyl-scutellarin (M-3), 6-O-methyl-scutellarein (M-4), scutellarein-6-O-beta-D-glucuronide (M-5), scutellarein-5-O-beta-D-glucuronide (M-6), scutellarin (M-7), scutellarein-7-O-sulfate (M-8), apigenin-5-O-beta-D-glucuronide (M-9), and apigenin-4'-O-beta-D-glucuronide (M-10) respectively. The results of this study indicated that the metabolites of brevisvapine were excreted in rats urine as glucuronidated, sulfated or methylated forms, as well as the aglycone of scutellarin-scutellarein after oral administration, and the metabolic pathways were also proposed.
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Affiliation(s)
- HongJun Xia
- Department of Natural Products Chemistry, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, PR China
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28
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Chen X, Cui L, Duan X, Ma B, Zhong D. PHARMACOKINETICS AND METABOLISM OF THE FLAVONOID SCUTELLARIN IN HUMANS AFTER A SINGLE ORAL ADMINISTRATION. Drug Metab Dispos 2006; 34:1345-52. [PMID: 16714374 DOI: 10.1124/dmd.106.009779] [Citation(s) in RCA: 86] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Scutellarin is widely used in treating various cardiovascular diseases. Few data are available regarding its metabolism and pharmacokinetics in humans. The objectives of this study were to develop methods to identify major metabolites of scutellarin in human urine and plasma and to determine simultaneously the parent drug and its major metabolites in human plasma for pharmacokinetic studies. Four metabolites were detected in urine samples by liquid chromatography coupled with electrospray multi-stage mass spectrometry (MS), but only one of them was found in plasma. Its structure was confirmed as scutellarein 6-O-beta-D-glucuronide by MS, NMR, and UV absorbance spectra. The plasma concentrations of scutellarin and the major metabolite were simultaneously determined using liquid chromatography-tandem MS. After a single p.o. administration of 60 mg of scutellarin to 20 healthy subjects, the plasma concentrations of scutellarin were very low, and its plasma concentration-time curve was also anomalous. Plasma concentration of the major metabolite was comparatively high, and the peak plasma concentration was 87.0 +/- 29.1 ng/ml. The Tmax was late (7.85 +/- 1.62 h), and part of individual pharmacokinetic profiles showed double peaks, which indicated scutellarin could be absorbed into the intestine after hydrolysis to its aglycone by bacterial enzymes. This was followed by reconjugation in the intestinal cell and/or liver with glucuronic acid catalyzed by the phase II enzyme, which showed regioselectivity and species difference. The regioselectivity of glucuronoconjugation for scutellarin may be of importance for pharmacological activity. Plasma concentration of isoscutellarin can be used as a biomarker of scutellarin intake.
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Affiliation(s)
- Xiaoyan Chen
- Center for Drug Metabolism and Pharmacokinetics Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 646 Songtao Road, Shanghai 201203, P.R. China
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