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Relaxation Effect of Schisandrol A on Isolated Thoracic Aorta and Its Mechanism in Rats 五味子酚A对大鼠离体胸主动脉的舒张作用及其机制
4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2023-10-19 DOI: 10.1177/09731296231203855
Xudong Qiu, Yang Dong, Bihan Wang, Shuo Yang, Jinghui Sun, He Li, Jianguang Chen, Xingxu Du, Chun Mei Wang
Background Schisandra chinensis (S. chinensis) is a drug commonly used in the clinical treatment of cardiovascular diseases in Traditional Chinese Medicine. However, the specific components and mechanisms of its action are still unclear. We screened six kinds of lignans from S. chinensis with high content and found that schisandrol A and schisantherin A had a strong vasorelaxant effect. The purpose of this study was to investigate the relaxation and underlying mechanism of schisandrol A in the isolated thoracic aorta of rats. Materials and Methods Isolated rat endothelium-intact and endothelium-removed thoracic aorta strips were pre-constricted with phenylephrine (PE), and the relaxation of schisandrol A on the strips was observed. Then, the mechanism was explored by pre-incubating the strips with nitric oxide synthetase inhibitor Nɷ-nitro-l-arginine methyl ester (L-NAME), cyclooxygenase inhibitor (indomethacin), potassium channel blockers 4-aminopyridine (4-AP), barium chloride (BaCl2), tetraethylamine (TEA), and glibenclamide, respectively, and changing the calcium concentration in the bath. In addition, expressions of endothelial nitric oxide synthetase (eNOS) mRNA and protein in rat thoracic aorta were detected. Results Schisandrol A induced both endothelium-dependent and endothelium-independent relaxation of isolated thoracic aorta strips of rats, and the mechanism might be related to promoting the synthesis of NO, inhibiting Ca 2+ release from the sarcoplasmic reticulum, and blocking the Ca 2+ channels. Conclusion These discoveries may provide a theoretical basis for the traditional application of S. chinensis to treat cardiovascular disease.
背景五味子(Schisandra chinensis)是临床上常用的治疗心血管疾病的中药。然而,其作用的具体成分和机制尚不清楚。我们从五味子中筛选出6种含量较高的木脂素,发现五味子素A和五味子素A具有较强的血管松弛作用。本研究旨在探讨五味子酚A对大鼠离体胸主动脉的松弛作用及其机制。材料与方法用苯肾上腺素(PE)预缩大鼠完整和去内皮胸主动脉条,观察五味子酚A对主动脉条的松弛作用。然后,分别用一氧化氮合成酶抑制剂N -硝基-l-精氨酸甲酯(L-NAME)、环氧合酶抑制剂吲哚美辛(吲哚美辛)、钾通道阻滞剂4-氨基吡啶(4-AP)、氯化钡(BaCl2)、四乙胺(TEA)和格列本脲进行预孵育,并改变培养液中钙的浓度,探讨其作用机理。同时检测大鼠胸主动脉内皮型一氧化氮合成酶(eNOS) mRNA和蛋白的表达。结果五味子酚A可诱导大鼠离体胸主动脉内皮依赖性松弛和内皮非依赖性松弛,其作用机制可能与促进NO合成、抑制肌浆网ca2 +释放、阻断ca2 +通道有关。结论这些发现为五倍子治疗心血管疾病的传统应用提供了理论依据。
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引用次数: 0
In Silico Rationalization for Leads from Oldenlandia umbellata L. to Inhibit Multiple Molecular Targets Regulating Osteoporosis 大黄铅抑制调节骨质疏松的多个分子靶点的硅理顺研究
4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2023-10-17 DOI: 10.1177/09731296231196189
Sivasakthi Paramasivam, Senthamil Selvan Perumal
Background Osteoporosis is a chronic metabolic bone disease caused due to the dysregulation in the functioning of osteoblast and osteoclast cells leading to increased bone resorption predominantly in postmenopausal women and the elderly, thereby affecting a significant global population. Purpose The present study aims to computationally screen the phytochemical constituents of Oldenlandia umbellata Linn against the unique molecular therapeutic targets of osteoporosis and validate the results using Molecular Dynamics (MD) Simulation. Methods The molecular docking analysis of the selected phytoconstituents against the molecular targets were performed using AutoDock 4.2.6 – AutoDock Tools 1.5.6. In addition, the drug likeliness, ADME, bioactivity, and toxicity were predicted using Molinspiration ADMELAB2.0, ProTox-II and Orisis DataWarrior online tools. Molecular Dynamic Simulation studies were performed using WebGRO macromolecular simulation server. Results Molecular docking results and data analysis revealed that deacetylasperuloside possesses good drug-likeness, ADME properties, and bioactive scores and did not indicate any toxicity compared to other phytochemicals exhibiting binding energies below –8.00 Kcal/mol against the targets. Together, the study emphasized that deacetylasperuloside could bind with the molecular targets of osteoporosis, and the lead is a potential therapeutic candidate for osteoporosis treatment. Further, molecular dynamic simulation analysis for 100 ns revealed that the ligand–protein complexes, including glycogen synthase kinase 3β (GSK3β)-deacetylasperuloside and cathepsin K (CTSK)-deacetylasperuloside complexes, were stable and highly compact assessed from their trajectories. Hence, it can be emphasized that deacetylasperuloside could be a potential therapeutic molecule that could inhibit the targets, including GSK3β and CTSK. Conclusion Oldenlandia umbellata L. is a potential candidate for identifying therapeutic leads for osteoporosis treatment. Further, in vitro and in vivo studies are needed as an output of this research to evaluate its therapeutic efficacy.
骨质疏松症是一种慢性代谢性骨病,由于成骨细胞和破骨细胞功能失调导致骨吸收增加,主要发生在绝经后妇女和老年人中,因此影响了全球大量人群。目的利用分子动力学(molecular Dynamics, MD)模拟技术,对大黄叶的化学成分进行计算筛选,以对抗骨质疏松症的独特分子治疗靶点。方法采用AutoDock 4.2.6 - AutoDock Tools 1.5.6软件对所选植物成分与分子靶点进行分子对接分析。此外,使用Molinspiration ADMELAB2.0、ProTox-II和Orisis DataWarrior在线工具预测药物的药物可能性、ADME、生物活性和毒性。使用WebGRO大分子模拟服务器进行分子动力学模拟研究。结果分子对接结果和数据分析表明,与其他结合能低于-8.00 Kcal/mol的植物化学物质相比,去乙酰甲葡糖苷具有良好的药物相似性、ADME特性和生物活性评分,对靶标没有毒性。综上所述,该研究强调去乙酰甲葡糖苷可以结合骨质疏松症的分子靶点,该先导物是治疗骨质疏松症的潜在候选药物。此外,100 ns的分子动力学模拟分析表明,配体蛋白复合物,包括糖原合成酶激酶3β (GSK3β)-去乙酰甲葡糖苷和组织蛋白酶K (CTSK)-去乙酰甲葡糖苷复合物,从它们的轨迹评估是稳定和高度紧密的。因此,可以强调,去乙酰甲葡糖苷可能是一种潜在的治疗分子,可以抑制GSK3β和CTSK等靶点。结论大黄是鉴别骨质疏松症治疗线索的潜在候选植物。此外,需要体外和体内研究作为本研究的输出,以评估其治疗效果。
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引用次数: 0
Network Pharmacology to Explore the Mechanism of Prunella vulgaris L. Against Prolactinoma 网络药理学探讨夏枯草抗催乳素瘤的作用机制
4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2023-10-12 DOI: 10.1177/09731296231189329
Jun-Hua Meng, Ping Ni, Yu-Ling Cao, Yu Zhang, Xiong Wang, Hong Zhang, Yong-Gang Chen
Objectives Prolactinoma is a common intracranial tumor with a high incidence and serious harm to human health. At present, there is only one therapeutic drug in China, bromocriptine, and the Chinese herb Prunella vulgaris L.( P. vulgaris)(PV) has shown certain anti-prolactinoma effects in the early stage. We expect to develop a candidate drug against prolactinoma. Materials and Methods First, the extracts of P. vulgaris L.(PVE)were extracted with water, and the cell proliferation test of rat pituitary tumor cells MMQ was checked by the Cell Counting Kit-8 (CCK-8) assay. Then, core targets and correlative pathways were selected by the “protein–protein interaction” (PPI) network and the “PV–Target–Prolactinoma” network. The core targets and main components simulate the binding by molecular docking. Finally, the PVE and MMQ cells were used to verify the results. Results Through the CCK-8 assay, the PVE inhibited the proliferation of MMQ cells. From the network pharmacology, the 21 targets, 9 signaling pathways, and 20 gene ontology (GO) projects were attained ( p < .05). As a result the estrogen receptor α (ESR1), RAC-alpha serine/threonine-protein kinase(AKT1), and mitogen-activated protein kinase 3(MAPK3)were the core targets of protein against prolactinomas, which was in line with western blotting analysis. Conclusion Our findings demonstrate that the PVE was verified against prolactinomas through the ESR1, MAPK3 targets, and the phosphoinositide 3-kinase/protein kinase B pathway.
目的催乳素瘤是一种常见的颅内肿瘤,发病率高,严重危害人体健康。目前国内只有溴隐亭一种治疗药物,中草药夏枯草(Prunella vulgaris L., P. vulgaris)(PV)在早期表现出一定的抗催乳素瘤作用。我们希望开发一种抗催乳素瘤的候选药物。材料与方法首先用水提取寻常草提取物(PVE),采用细胞计数试剂盒-8 (CCK-8)法检测大鼠垂体瘤细胞MMQ的细胞增殖试验。然后,通过“蛋白-蛋白相互作用”(protein-protein interaction, PPI)网络和“PV-Target-Prolactinoma”网络选择核心靶点和相关通路。核心靶点和主要组分模拟分子对接结合。最后,用PVE和MMQ细胞验证结果。结果通过CCK-8实验,PVE能抑制MMQ细胞的增殖。网络药理学共获得21个靶点、9个信号通路和20个基因本体(GO)项目(p <. 05)。结果表明,雌激素受体α (ESR1)、rac - α丝氨酸/苏氨酸蛋白激酶(AKT1)和丝裂原活化蛋白激酶3(MAPK3)是抗催乳素瘤蛋白的核心靶点,与western blotting分析结果一致。结论PVE可通过ESR1、MAPK3靶点和磷酸肌肽3-激酶/蛋白激酶B途径抑制催乳素瘤。
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引用次数: 0
Investigating the Anti-inflammatory Effects of Rutin in Carbon Tetrachloride-induced Hepatotoxicity: Role of TLR4/MyD88/NFκB Signaling Pathway Modulation 芦丁在四氯化碳肝毒性中的抗炎作用:TLR4/MyD88/NFκB信号通路调控的作用
4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2023-10-12 DOI: 10.1177/09731296231203454
Qianyu He, Hu Hao, Keke Zhao
Objectives Rutin protects and stabilizes hepatocytes and is used to treat hepatitis, liver cirrhosis, and other diseases. However, there is little evidence to suggest that Rutin is associated with CCl 4 -induced hepatotoxicity. In this study, we investigated the effects of Rutin on CCl 4 -induced liver inflammation and discussed in vivo and in vitro mechanisms. Materials and Methods CCl 4 was used to induce liver inflammation, and Rutin was used for intervention in mice. Then the body weight, liver weight, and liver inflammation of all mice were measured. Western blotting and RT-PCR were used to assess TLR4/MyD88/NFκB inflammation signaling pathways and inflammatory gene expression. Finally, TLR4 was activated in primary hepatocytes to verify the above signal pathways. Findings CCl 4 mice developed liver function damage and liver inflammation. Further investigations showed that the inhibitory effects of Si on inflammation were mediated by TLR4/MyD88/NFκB inflammation signaling pathways inhibition. Primary hepatocyte studies also confirmed the participation of these signaling pathways and proteins. Significance Rutin improved CCl 4 -induced liver inflammation. Such mechanisms may be related to TLR4/MyD88/NFκB inflammation signaling pathways.
目的芦丁保护和稳定肝细胞,用于治疗肝炎、肝硬化和其他疾病。然而,很少有证据表明芦丁与ccl4诱导的肝毒性有关。在本研究中,我们研究了芦丁对ccl4诱导的肝脏炎症的影响,并探讨了体内和体外机制。材料与方法用ccl4诱导小鼠肝脏炎症,用芦丁干预。然后测量各组小鼠的体重、肝脏重量和肝脏炎症情况。Western blotting和RT-PCR检测TLR4/MyD88/NFκB炎症信号通路及炎症基因表达。最后,在原代肝细胞中激活TLR4来验证上述信号通路。结果cccl4小鼠出现肝功能损伤和肝脏炎症。进一步研究表明,Si对炎症的抑制作用是通过抑制TLR4/MyD88/NFκB炎症信号通路介导的。初级肝细胞研究也证实了这些信号通路和蛋白质的参与。意义芦丁可改善cccl - 4诱导的肝脏炎症。这些机制可能与TLR4/MyD88/NFκB炎症信号通路有关。
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引用次数: 0
Systematic Characterization of the Chemical Components and Absorbed Prototypes in Sanqi Xueshangning Capsules Using UPLC-Q-TOF-MS with SCIEX OS Software 基于SCIEX OS软件的UPLC-Q-TOF-MS系统表征三七血瘀宁胶囊的化学成分及吸收原型
4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2023-10-12 DOI: 10.1177/09731296231204152
Hongling Zhao, Na Li, Xiaoyan Cui, Yongzhou Yu, Zi Liu, Jianhui Chen, Yuxuan Tian, Chunying Zhao, Hui Xiong
Background Sanqi Xueshangning Capsules (SXC) is a famous Chinese patent medicine with a good curative effect on various gynecological pain diseases in China. However, its chemical composition and potential active ingredients were clearly unrevealed, which hindered the elaboration of its material basis functional mechanism and clinical application. Materials and Methods In the study, we developed an integrative ultra-performance liquid chromatography quadrupole time-of-flight mass spectrometry (UPLC-Q-TOF-MS) method coupled with SCIEX OS software for characterizing the chemical composition in SXC. The data collection was conducted using a Waters UPLCTM HSS T3 (2.1 × 100 mm, 1.8 µm) in a binary elution system. The SCIEX OS software coupled with multivariable processing techniques was used to screen absorbed prototypes in serum after oral administration of SXC. The structural identification of the components was performed by MS/MS fragmentation mechanism. Results A total of 113 components from SXC were tentatively characterized, including 38 saponins, 13 flavonoids, 10 phenylpropanoids, 9 alkaloids, 20 organic acids, and 23 others. Based on the in vitro composition results, 21 absorbed prototypes in rat serum were identified, mainly including alkaloids, flavonoids, phenylpropanoids, and saponins. Conclusion It was concluded that an integrative UPLC-Q-TOF-MS method coupled with SCIEX OS software could be successfully applied for the components’ characterization of SXC in vitro and in vivo, which laid a reliable scientific basis for promoting the discovery of material basis and the improvement of quality control of SXC.
三七血痛宁胶囊是我国著名的中成药,对多种妇科疼痛疾病有较好的疗效。但其化学成分和潜在有效成分尚未明确,阻碍了其物质基础、作用机制和临床应用的阐述。在研究中,我们开发了一种集成超高效液相色谱四极杆飞行时间质谱(UPLC-Q-TOF-MS)方法,结合SCIEX OS软件对SXC的化学成分进行了表征。数据采集采用Waters UPLCTM HSS T3 (2.1 × 100 mm, 1.8µm)在二元洗脱系统中进行。采用SCIEX OS软件结合多变量处理技术筛选口服SXC后血清中吸收原型。采用MS/MS破碎机制对各组分进行结构鉴定。结果经初步鉴定,共鉴定出113种成分,其中皂苷38种,黄酮类化合物13种,苯丙素10种,生物碱9种,有机酸20种,其他23种。根据体外组成结果,鉴定出21种大鼠血清吸收原型,主要包括生物碱、黄酮类、苯丙素和皂苷。结论UPLC-Q-TOF-MS联用SCIEX OS软件可成功应用于SXC的体内体外组分表征,为促进SXC物质基础的发现和质量控制的提高奠定了可靠的科学依据。
{"title":"Systematic Characterization of the Chemical Components and Absorbed Prototypes in Sanqi Xueshangning Capsules Using UPLC-Q-TOF-MS with SCIEX OS Software","authors":"Hongling Zhao, Na Li, Xiaoyan Cui, Yongzhou Yu, Zi Liu, Jianhui Chen, Yuxuan Tian, Chunying Zhao, Hui Xiong","doi":"10.1177/09731296231204152","DOIUrl":"https://doi.org/10.1177/09731296231204152","url":null,"abstract":"Background Sanqi Xueshangning Capsules (SXC) is a famous Chinese patent medicine with a good curative effect on various gynecological pain diseases in China. However, its chemical composition and potential active ingredients were clearly unrevealed, which hindered the elaboration of its material basis functional mechanism and clinical application. Materials and Methods In the study, we developed an integrative ultra-performance liquid chromatography quadrupole time-of-flight mass spectrometry (UPLC-Q-TOF-MS) method coupled with SCIEX OS software for characterizing the chemical composition in SXC. The data collection was conducted using a Waters UPLCTM HSS T3 (2.1 × 100 mm, 1.8 µm) in a binary elution system. The SCIEX OS software coupled with multivariable processing techniques was used to screen absorbed prototypes in serum after oral administration of SXC. The structural identification of the components was performed by MS/MS fragmentation mechanism. Results A total of 113 components from SXC were tentatively characterized, including 38 saponins, 13 flavonoids, 10 phenylpropanoids, 9 alkaloids, 20 organic acids, and 23 others. Based on the in vitro composition results, 21 absorbed prototypes in rat serum were identified, mainly including alkaloids, flavonoids, phenylpropanoids, and saponins. Conclusion It was concluded that an integrative UPLC-Q-TOF-MS method coupled with SCIEX OS software could be successfully applied for the components’ characterization of SXC in vitro and in vivo, which laid a reliable scientific basis for promoting the discovery of material basis and the improvement of quality control of SXC.","PeriodicalId":19895,"journal":{"name":"Pharmacognosy Magazine","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135967914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chemical Composition of Essential Oils of Medicinal Plants Grown in the Thrace Region in Türkiye, Hypericum perforatum L <s:1> rkiye,贯叶连翘(Hypericum perforatum L .)色雷斯地区药用植物精油的化学成分
4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2023-10-09 DOI: 10.1177/09731296231201210
Fevziye Deniz Güler, Nurullah Ozdemir
Background There are many active substances in the composition of the Hypericum perforatum L. plant that have different and complex structures and show different pharmacological effects. It was accepted as a medicinal plant by the World Health Organization in 2002, and it is given a detailed place in the monographs under the name Hyperici herba. In these monographs, the antibacterial, antiviral, antidepressant, protein kinase-C inhibitor, and wound-healing effects of the plant were described. Objectives The aim of this study is to determine the essential oil components in the samples of the H. perforatum L. plant, which is widely grown in the Thrace region in Türkiye. Materials and Methods H. perforatum L. plant growing naturally in the provinces of the Thrace region was collected, and the essential oils of the plant were obtained by using the hydro distillation method after the collected herbs were dried. Chemical content analyses were performed on a gas chromatography-flame ionization detection (GC-FID). Results The main components of the essential oil of the plant are sesquiterpenes (ß-caryophyllene, caryophyllene oxide, β-selinene, α-selinene, β-farnesene, α-amorphene, spathulenol), alcohols (1-tetradecanol, 1-tridecanol, phytol, and alpha cadinol), and fatty acids (pentadecanoic acid, palmitic acid, and 9, 12 octadecadienoic acid). Conclusion This is the first study to determine the chemical composition of essential oil in H. perforatum L. samples collected from the Thrace region in Türkiye. The essential oil content of the plant can be affected by factors such as the developmental stages of the plant (preblooming, flowering stage, and fruiting time), use of fresh or dry plant material, extraction method, genetic parameters, and climate.
背景贯叶连翘(Hypericum perforatum L.)植物成分中含有多种活性物质,其结构不同且复杂,具有不同的药理作用。2002年,它被世界卫生组织认可为一种药用植物,并在专著中以Hyperici herba的名称详细介绍了它。在这些专著中,介绍了该植物的抗菌、抗病毒、抗抑郁、蛋白激酶- c抑制剂和伤口愈合作用。目的研究广泛生长于土耳其色雷斯地区的贯叶连翘(H. perforatum L.)的挥发油成分。材料与方法采集色雷斯地区自然生长的贯叶连翘(H. perforatum L.)植物,将所采集的药材干燥后,采用水力蒸馏法提取其精油。化学成分分析采用气相色谱-火焰离子化检测法(GC-FID)。结果该植物挥发油的主要成分为倍半萜类(ß-石竹烯、氧化石竹烯、β-亚麻烯、α-亚麻烯、β-法脂烯、α-阿莫菲、spathulenol)、醇类(1-十四醇、1-三醇、叶绿醇、α二酚)和脂肪酸(五酸、棕榈酸、9,12十八二烯酸)。结论首次对采自土耳其色雷斯地区的贯叶连翘挥发油的化学成分进行了测定。植物的精油含量可能受到植物发育阶段(开花前、开花阶段和结果时间)、使用新鲜或干燥植物材料、提取方法、遗传参数和气候等因素的影响。
{"title":"Chemical Composition of Essential Oils of Medicinal Plants Grown in the Thrace Region in Türkiye, <i>Hypericum perforatum</i> L","authors":"Fevziye Deniz Güler, Nurullah Ozdemir","doi":"10.1177/09731296231201210","DOIUrl":"https://doi.org/10.1177/09731296231201210","url":null,"abstract":"Background There are many active substances in the composition of the Hypericum perforatum L. plant that have different and complex structures and show different pharmacological effects. It was accepted as a medicinal plant by the World Health Organization in 2002, and it is given a detailed place in the monographs under the name Hyperici herba. In these monographs, the antibacterial, antiviral, antidepressant, protein kinase-C inhibitor, and wound-healing effects of the plant were described. Objectives The aim of this study is to determine the essential oil components in the samples of the H. perforatum L. plant, which is widely grown in the Thrace region in Türkiye. Materials and Methods H. perforatum L. plant growing naturally in the provinces of the Thrace region was collected, and the essential oils of the plant were obtained by using the hydro distillation method after the collected herbs were dried. Chemical content analyses were performed on a gas chromatography-flame ionization detection (GC-FID). Results The main components of the essential oil of the plant are sesquiterpenes (ß-caryophyllene, caryophyllene oxide, β-selinene, α-selinene, β-farnesene, α-amorphene, spathulenol), alcohols (1-tetradecanol, 1-tridecanol, phytol, and alpha cadinol), and fatty acids (pentadecanoic acid, palmitic acid, and 9, 12 octadecadienoic acid). Conclusion This is the first study to determine the chemical composition of essential oil in H. perforatum L. samples collected from the Thrace region in Türkiye. The essential oil content of the plant can be affected by factors such as the developmental stages of the plant (preblooming, flowering stage, and fruiting time), use of fresh or dry plant material, extraction method, genetic parameters, and climate.","PeriodicalId":19895,"journal":{"name":"Pharmacognosy Magazine","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135093857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Xiegan-Liangxue-Jiedu Decoction Alleviated Psoriasis and Depressionlike Behavior in a Mouse Model: Role of the AC–cAMP–PKA–CREB Signaling Pathway 泻肝凉血解毒汤缓解银屑病小鼠抑郁样行为:AC-cAMP-PKA-CREB信号通路的作用
4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2023-10-05 DOI: 10.1177/09731296231190691
Jia-chen Shi, Ping Wu, Yong-mei Li, Xiao-rui Li
Objectives Psoriasis vulgaris is an immune-mediated inflammatory skin disease that is associated with depression. In this study, we investigated the effect of Xiegan–Liangxue–Jiedu (XGLXJD) decoction, a traditional Chinese medicine formula, on psoriasis based on network pharmacology, molecular docking, and animal experiments. Materials and Methods A protein–protein interaction (PPI) network was constructed using the overlapping targets of XGLXJD decoction and psoriasis. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses were performed using Metascape database. High-performance liquid chromatography (HPLC) was used to investigate the main compounds of XGLXJD decoction. Molecular docking was performed to predict the potential interaction between the main compounds and proteins of interest. A C57 mouse model of psoriasis was established via continuous exposure to imiquimod. Seven days later, the XGLXJD decoction was orally administered at increasing doses for 6 days. The psoriasis area and severity index were calculated. Hematoxylin and eosin staining was used to examine skin morphology. Enzyme-linked immunosorbent assay (ELISA) was used to determine the serum levels of adenylyl cyclase (AC), cyclic adenosine monophosphate (cAMP), protein kinase A (PKA), interleukin-17 (IL-17), and tumor necrosis factor-α (TNF-α). Sucrose preference test and forced swimming test were used to assess depression-like behavior. Immunohistochemical (IHC) staining and immunofluorescence were used to investigate the cAMP-response element binding protein (CREB) signaling pathway. Results Overall, 162 overlapping targets were generated. A total of 398 biological processes, 84 molecular functions, and 47 cellular components were identified via GO analysis, whereas 140 pathways were identified via KEGG pathway analysis. The most notable signaling pathways were cAMP as well as downstream IL-17 and TNF-α signaling pathways. HPLC analysis revealed that the main compounds of XGLXJD decoction were paeoniflorin, isorhamnetin, quercetin, luteolin, kaempferol, and baicalein. The molecular docking assay indicated that the docking energies of the main compounds of XGLXJD decoction to the top hub genes were less than −5 kcal/mol. ELISA revealed that the administration of XGLXJD decoction decreased the levels of pro-inflammatory cytokines (TNF-α and IL-17). Furthermore, the AC, cAMP, and PKA levels were enhanced after its administration. IHC staining demonstrated that the administration of XGLXJD decoction activated the AC–cAMP–PKA–CREB signaling pathway in skin. In addition, it enhanced sucrose preference and forced swimming time percentage. It also enhanced the expression of cAMP and PKA in the hippocampus. Conclusion XGLXJD decoction alleviated psoriasis and depression-like behavior. The AC–cAMP–PKA–CREB signaling pathway may play a crucial role in mediating this effect.
目的寻常型银屑病是一种与抑郁症相关的免疫介导的炎症性皮肤病。本研究以网络药理学、分子对接、动物实验为基础,研究中药复方泻肝亮血解毒汤对银屑病的治疗作用。材料与方法利用复方泻精汤与银屑病的重叠靶点构建蛋白-蛋白相互作用(PPI)网络。使用metscape数据库进行基因本体(GO)和京都基因与基因组百科全书(KEGG)富集分析。采用高效液相色谱法(HPLC)对中药复方泻泻汤的主要成分进行了研究。进行分子对接以预测主要化合物与感兴趣的蛋白质之间的潜在相互作用。通过持续接触咪喹莫特建立C57小鼠银屑病模型。7 d后,加剂量口服XGLXJD汤,连续6 d。计算牛皮癣面积及严重程度指数。苏木精和伊红染色检测皮肤形态。采用酶联免疫吸附法(ELISA)检测血清腺苷酸环化酶(AC)、环磷酸腺苷(cAMP)、蛋白激酶A (PKA)、白细胞介素-17 (IL-17)、肿瘤坏死因子-α (TNF-α)水平。采用蔗糖偏好试验和强迫游泳试验评估抑郁样行为。采用免疫组化(IHC)染色和免疫荧光法研究camp反应元件结合蛋白(CREB)信号通路。结果共生成162个重叠靶点。通过GO分析共鉴定了398个生物过程,84个分子功能和47个细胞成分,而通过KEGG途径分析鉴定了140个途径。最显著的信号通路是cAMP以及下游的IL-17和TNF-α信号通路。高效液相色谱分析表明,中药复方XGLXJD汤剂的主要成分为芍药苷、异鼠李素、槲皮素、木犀草素、山奈酚和黄芩素。分子对接实验表明,XGLXJD汤剂中主要化合物与顶端枢纽基因的对接能均小于−5 kcal/mol。ELISA结果显示,XGLXJD煎剂降低了促炎因子(TNF-α和IL-17)的水平。此外,给药后AC、cAMP和PKA水平均升高。免疫组化染色表明,XGLXJD煎剂激活了皮肤AC-cAMP-PKA-CREB信号通路。此外,它还增强了蔗糖偏好和强迫游泳时间百分比。海马组织cAMP和PKA表达增强。结论泻泻泻精汤可减轻银屑病及抑郁样行为。AC-cAMP-PKA-CREB信号通路可能在介导这一效应中起关键作用。
{"title":"Xiegan-Liangxue-Jiedu Decoction Alleviated Psoriasis and Depressionlike Behavior in a Mouse Model: Role of the AC–cAMP–PKA–CREB Signaling Pathway","authors":"Jia-chen Shi, Ping Wu, Yong-mei Li, Xiao-rui Li","doi":"10.1177/09731296231190691","DOIUrl":"https://doi.org/10.1177/09731296231190691","url":null,"abstract":"Objectives Psoriasis vulgaris is an immune-mediated inflammatory skin disease that is associated with depression. In this study, we investigated the effect of Xiegan–Liangxue–Jiedu (XGLXJD) decoction, a traditional Chinese medicine formula, on psoriasis based on network pharmacology, molecular docking, and animal experiments. Materials and Methods A protein–protein interaction (PPI) network was constructed using the overlapping targets of XGLXJD decoction and psoriasis. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses were performed using Metascape database. High-performance liquid chromatography (HPLC) was used to investigate the main compounds of XGLXJD decoction. Molecular docking was performed to predict the potential interaction between the main compounds and proteins of interest. A C57 mouse model of psoriasis was established via continuous exposure to imiquimod. Seven days later, the XGLXJD decoction was orally administered at increasing doses for 6 days. The psoriasis area and severity index were calculated. Hematoxylin and eosin staining was used to examine skin morphology. Enzyme-linked immunosorbent assay (ELISA) was used to determine the serum levels of adenylyl cyclase (AC), cyclic adenosine monophosphate (cAMP), protein kinase A (PKA), interleukin-17 (IL-17), and tumor necrosis factor-α (TNF-α). Sucrose preference test and forced swimming test were used to assess depression-like behavior. Immunohistochemical (IHC) staining and immunofluorescence were used to investigate the cAMP-response element binding protein (CREB) signaling pathway. Results Overall, 162 overlapping targets were generated. A total of 398 biological processes, 84 molecular functions, and 47 cellular components were identified via GO analysis, whereas 140 pathways were identified via KEGG pathway analysis. The most notable signaling pathways were cAMP as well as downstream IL-17 and TNF-α signaling pathways. HPLC analysis revealed that the main compounds of XGLXJD decoction were paeoniflorin, isorhamnetin, quercetin, luteolin, kaempferol, and baicalein. The molecular docking assay indicated that the docking energies of the main compounds of XGLXJD decoction to the top hub genes were less than −5 kcal/mol. ELISA revealed that the administration of XGLXJD decoction decreased the levels of pro-inflammatory cytokines (TNF-α and IL-17). Furthermore, the AC, cAMP, and PKA levels were enhanced after its administration. IHC staining demonstrated that the administration of XGLXJD decoction activated the AC–cAMP–PKA–CREB signaling pathway in skin. In addition, it enhanced sucrose preference and forced swimming time percentage. It also enhanced the expression of cAMP and PKA in the hippocampus. Conclusion XGLXJD decoction alleviated psoriasis and depression-like behavior. The AC–cAMP–PKA–CREB signaling pathway may play a crucial role in mediating this effect.","PeriodicalId":19895,"journal":{"name":"Pharmacognosy Magazine","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135480829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modulation of Nrf2/HO1 Pathway by Thymoquinone to Exert Protection Against Diazinon-induced Myocardial Infarction in Rats 百里醌调节Nrf2/HO1通路对二嗪农诱导的大鼠心肌梗死的保护作用
4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2023-10-04 DOI: 10.1177/09731296231190686
Gang Wang
Background Modern strategies to alleviate the harmful effects of organophosphate pesticide diazinon (DN) abnormalities were focused mainly on using natural compounds or their derivatives. DN is an organophosphate compound that causes many health abnormalities in humans due to its usage as an insecticide in agriculture. TQ is one of the beneficiary active principles derived from plant sources that has pharmacological benefits. Aim This research reveals the therapeutic potential of thymoquinone (TQ) on DN-induced myocardial infarction (MI) in rats. Materials and Methods Male Sprague–Dawley rats were procured, acclimatized, and divided into four groups of six animals each with feed and water ad libitum. MI was induced in rats with a dose of 25 mg/kg DN by oral gavage and TQ in a dose of 20 mg/kg p.o. for the treatment. After animal sacrifice at the end of the experimental period, serum and heart tissue samples were collected and processed appropriately for various analyses such as changes in the body weight, heart weight, marker enzymes, oxidative markers, non-enzymatic and enzymatic antioxidants, inflammatory cytokines, histopathological studies, and cardiac-specific markers. Results DN-induced toxicity depicted decreased body weight (167.83 ± 4.62), heart weight (0.9 ± 0.06), and heart-to-body weight ratio (0.54 ± 0.03). Also, elevated marker enzymes (147.33 ± 20.85, 407.5 ± 31.3, and 110.67 ± 9.65 for CK-MB, AST, and ALT, respectively), elevated oxidative markers (12.87 ± 1.34, 125.17 ± 9.95, and 80.17 ± 5.78 for serum MDA, heart MDA, and heart GSSG, respectively), decreased enzymatic- and nonenzymatic antioxidants (3.15 ± 0.42, 12.23 ± 1.02, 5.75 ± 0.46, 2.02 ± 0.26, 0.72 ± 0.07, 18.05 ± 1.04, 8.62 ± 0.65, and 45.8 ± 2.43 for SOD, CAT, GST, GPx, heart GSH, serum GSH, vit.E, and vit.C, respectively), damaged cellular architecture, elevated inflammatory cytokines, and cardiac-specific markers were noticed. Discussion TQ significantly reduced the toxicities produced by DN in almost all the above parameters. The beneficial effect of DN could be attributed to the influential effect of DN on cardiac-specific Nrf2/HO1-related pathways. Conclusion These results suggest that TQ exerts protection against MI and could serve as a promising candidate for drug development.
现代缓解有机磷农药二嗪农(DN)异常危害的策略主要集中在利用天然化合物或其衍生物。DN是一种有机磷化合物,由于它在农业中被用作杀虫剂,导致人类许多健康异常。TQ是从植物中提取的有益活性成分之一,具有药理作用。目的探讨百里醌(TQ)对dn诱导的大鼠心肌梗死(MI)的治疗作用。材料与方法选用雄性sd大鼠,经驯化后随机分为4组,每组6只,随机饲喂水和饲料。大鼠以25mg /kg DN灌胃,TQ以20mg /kg po给药诱导心肌梗死。实验结束时动物牺牲后,收集血清和心脏组织样本并进行适当处理,用于各种分析,如体重、心脏重量、标记酶、氧化标记、非酶和酶促抗氧化剂、炎症细胞因子、组织病理学研究和心脏特异性标记物的变化。结果dn毒性小鼠体重(167.83±4.62)、心脏重量(0.9±0.06)、心体比(0.54±0.03)下降。标记酶升高(147.33±20.85,407.5±31.3,110.67±9.65水平,AST、ALT,分别),升高氧化标记(12.87±1.34,125.17±9.95,80.17±5.78,血清MDA、心脏MDA和心脏GSSG,分别),减少酶和非酶的抗氧化剂(3.15±0.42、12.23±1.02、5.75±0.46、2.02±0.26、0.72±0.07、18.05±1.04、8.62±0.65、45.8±2.43,SOD, CAT,销售税,GPx,心谷胱甘肽,血清谷胱甘肽,维特。E和维生素c分别),细胞结构受损,炎症细胞因子升高,心脏特异性标志物被注意到。TQ在几乎所有上述参数中均显著降低DN产生的毒性。DN的有益作用可能归因于DN对心脏特异性Nrf2/ ho1相关通路的影响。结论TQ对心肌梗死具有一定的保护作用,具有开发药物的潜力。
{"title":"Modulation of Nrf2/HO1 Pathway by Thymoquinone to Exert Protection Against Diazinon-induced Myocardial Infarction in Rats","authors":"Gang Wang","doi":"10.1177/09731296231190686","DOIUrl":"https://doi.org/10.1177/09731296231190686","url":null,"abstract":"Background Modern strategies to alleviate the harmful effects of organophosphate pesticide diazinon (DN) abnormalities were focused mainly on using natural compounds or their derivatives. DN is an organophosphate compound that causes many health abnormalities in humans due to its usage as an insecticide in agriculture. TQ is one of the beneficiary active principles derived from plant sources that has pharmacological benefits. Aim This research reveals the therapeutic potential of thymoquinone (TQ) on DN-induced myocardial infarction (MI) in rats. Materials and Methods Male Sprague–Dawley rats were procured, acclimatized, and divided into four groups of six animals each with feed and water ad libitum. MI was induced in rats with a dose of 25 mg/kg DN by oral gavage and TQ in a dose of 20 mg/kg p.o. for the treatment. After animal sacrifice at the end of the experimental period, serum and heart tissue samples were collected and processed appropriately for various analyses such as changes in the body weight, heart weight, marker enzymes, oxidative markers, non-enzymatic and enzymatic antioxidants, inflammatory cytokines, histopathological studies, and cardiac-specific markers. Results DN-induced toxicity depicted decreased body weight (167.83 ± 4.62), heart weight (0.9 ± 0.06), and heart-to-body weight ratio (0.54 ± 0.03). Also, elevated marker enzymes (147.33 ± 20.85, 407.5 ± 31.3, and 110.67 ± 9.65 for CK-MB, AST, and ALT, respectively), elevated oxidative markers (12.87 ± 1.34, 125.17 ± 9.95, and 80.17 ± 5.78 for serum MDA, heart MDA, and heart GSSG, respectively), decreased enzymatic- and nonenzymatic antioxidants (3.15 ± 0.42, 12.23 ± 1.02, 5.75 ± 0.46, 2.02 ± 0.26, 0.72 ± 0.07, 18.05 ± 1.04, 8.62 ± 0.65, and 45.8 ± 2.43 for SOD, CAT, GST, GPx, heart GSH, serum GSH, vit.E, and vit.C, respectively), damaged cellular architecture, elevated inflammatory cytokines, and cardiac-specific markers were noticed. Discussion TQ significantly reduced the toxicities produced by DN in almost all the above parameters. The beneficial effect of DN could be attributed to the influential effect of DN on cardiac-specific Nrf2/HO1-related pathways. Conclusion These results suggest that TQ exerts protection against MI and could serve as a promising candidate for drug development.","PeriodicalId":19895,"journal":{"name":"Pharmacognosy Magazine","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135591122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Therapeutic Effect and Mechanism of Glabridin Liposome on Imiquimod-induced Mice Psoriasis 光甘草定脂质体治疗吡喹莫德致小鼠银屑病的疗效及机制
4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2023-10-03 DOI: 10.1177/09731296231198931
Yongjie Lu, Lushi Cheng, Lu Ren, Dongqiu Chen, Shumin Guan, Siyang Zhu, Xian Xu, Bing Zhang, Minghui Tang, Chijian Zhang, Yong Ai, Lanyue Zhang, Tinggang He
Background Glabridin is one of the main components of the isoflavonoids in Glycyrrhiza glabra and possesses anti-inflammatory, antibacterial, and anticancer effects. Objectives Herein, the therapeutic effects and mechanisms of action of the glabridin liposome (GL) complex were studied in mice with imiquimod-induced psoriasis. Materials and Methods After treatment with GLs, their effectiveness was assessed using parameters, such as Psoriasis Area and Severity Index (PASI) score, histopathology, inflammatory cytokines, and psoriasis-associated proteins. Results The results demonstrated that GLs could significantly improve psoriatic symptoms, downregulate mast cell infiltration, and significantly reduce the PASI score of psoriatic mice. Quantitative reverse transcription polymerase chain reaction (RT-qPCR) results showed that GLs significantly decreased IL-23 and STAT3 mRNA expression. The results of immunohistochemistry and the enzyme-linked immunosorbent assay indicated that GLs decreased the expression of tumor necrosis factor-alpha (TNF-α), IL-17, and IL-22. Conclusion GLs can alleviate psoriasis by inhibiting the expression of keratinocyte-activating proteins. These results suggest that GLs have great potential for the clinical treatment of psoriasis.
光甘草定是光甘草中异黄酮类化合物的主要成分之一,具有抗炎、抗菌、抗癌等作用。目的研究光甘草定脂质体(GL)复合物对吡喹莫德致银屑病小鼠的治疗作用及其机制。材料和方法使用GLs治疗后,使用诸如银屑病面积和严重程度指数(PASI)评分、组织病理学、炎症细胞因子和银屑病相关蛋白等参数评估其有效性。结果GLs能显著改善银屑病症状,下调肥大细胞浸润,显著降低银屑病小鼠PASI评分。定量逆转录聚合酶链反应(RT-qPCR)结果显示,GLs显著降低IL-23和STAT3 mRNA的表达。免疫组化和酶联免疫吸附实验结果显示,GLs可降低肿瘤坏死因子α (TNF-α)、IL-17和IL-22的表达。结论GLs可通过抑制角质形成细胞活化蛋白的表达来缓解银屑病。这些结果表明,GLs在银屑病的临床治疗中具有很大的潜力。
{"title":"Therapeutic Effect and Mechanism of Glabridin Liposome on Imiquimod-induced Mice Psoriasis","authors":"Yongjie Lu, Lushi Cheng, Lu Ren, Dongqiu Chen, Shumin Guan, Siyang Zhu, Xian Xu, Bing Zhang, Minghui Tang, Chijian Zhang, Yong Ai, Lanyue Zhang, Tinggang He","doi":"10.1177/09731296231198931","DOIUrl":"https://doi.org/10.1177/09731296231198931","url":null,"abstract":"Background Glabridin is one of the main components of the isoflavonoids in Glycyrrhiza glabra and possesses anti-inflammatory, antibacterial, and anticancer effects. Objectives Herein, the therapeutic effects and mechanisms of action of the glabridin liposome (GL) complex were studied in mice with imiquimod-induced psoriasis. Materials and Methods After treatment with GLs, their effectiveness was assessed using parameters, such as Psoriasis Area and Severity Index (PASI) score, histopathology, inflammatory cytokines, and psoriasis-associated proteins. Results The results demonstrated that GLs could significantly improve psoriatic symptoms, downregulate mast cell infiltration, and significantly reduce the PASI score of psoriatic mice. Quantitative reverse transcription polymerase chain reaction (RT-qPCR) results showed that GLs significantly decreased IL-23 and STAT3 mRNA expression. The results of immunohistochemistry and the enzyme-linked immunosorbent assay indicated that GLs decreased the expression of tumor necrosis factor-alpha (TNF-α), IL-17, and IL-22. Conclusion GLs can alleviate psoriasis by inhibiting the expression of keratinocyte-activating proteins. These results suggest that GLs have great potential for the clinical treatment of psoriasis.","PeriodicalId":19895,"journal":{"name":"Pharmacognosy Magazine","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135697018","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Functional Properties of the Water Extract from Eriocheir sinensis (Chinese mitten crab) Via Evaluation of Protective Effects on Reflux Esophagitis Model 中华绒螯蟹水提物对反流性食管炎模型保护作用的功能特性研究
4区 医学 Q4 CHEMISTRY, MEDICINAL Pub Date : 2023-09-28 DOI: 10.1177/09731296231189324
Hyeon Hwa Nam, Jun Ho Song, Jun Lee, Byeong Cheol Moon, Sumin Noh, Li Nan, Byung Kil Choo, Joong-Sun Kim
Objectives In the study, we investigated the effects of an Eriocheir sinensis water extract on a reflux esophagitis-induced rat model. Background The crab has been used as a traditional medicine and food source in many countries worldwide for a long time, and the crab contains various useful substances such as chitin, protein, calcium carbonate, etc. Materials and Methods All rats were fasted for 24 h and then orally pretreated with saline, Eriocheir sinensis (100 mg/kg), or ranitidine (40 mg/kg). Reflux esophagitis was induced by pylorus and forestomach ligation. Morphological changes in the mucosal damage in the esophagus were analyzed by the ImageJ program. Also, the expression of the inflammatory proteins and cytokine in the esophagus was measured by western blot assay to demonstrate the protective effects of Eriocheir sinensis in reflux esophagitis model. Histological analysis of esophagus was performed by hematoxylin & eosin (H&E) staining. Results In the reflux esophagitis induction group, the esophageal tissue damage caused by the induction of reflux was 60% of the whole. Eriocheir sinensis administration significantly ameliorated esophageal mucosal damage by 40%, also determined by histological evaluation of reflux esophagitis in rats. Eriocheir sinensis was also found to downregulate the expression levels of proteins such as cyclooxygenase-2 (COX-2), tumor necrosis factor-α (TNF-α), and tight junction protein (claudin-5) compared to the reflux esophagitis induction group. In addition, Eriocheir sinensis markedly attenuated the activation of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) and the phosphorylation of the inhibitor of NF-κB (IκBα). Conclusion These results indicated that Eriocheir sinensis suppressed the development of esophagitis and modulated inflammation by regulating NF-κB activation. Based on these findings, we concluded that Eriocheir sinensis can protect the esophageal mucosa from reflux esophagitis.
目的研究中华绒蟹水提物对反流性食管炎大鼠模型的影响。长期以来,螃蟹在世界上许多国家被用作传统药物和食物来源,螃蟹含有多种有益物质,如几丁质、蛋白质、碳酸钙等。材料与方法各组大鼠禁食24 h后,分别口服生理盐水、中华绒螯虾(100 mg/kg)或雷尼替丁(40 mg/kg)进行预处理。反流性食管炎是由幽门和前胃结扎引起的。用ImageJ程序分析食管粘膜损伤的形态学变化。western blot法检测食管组织炎症蛋白和细胞因子的表达,验证中华绒毛鱼对反流性食管炎模型的保护作用。用苏木精对食管进行组织学分析;伊红(H&E)染色。结果反流性食管炎诱导组,反流诱导引起的食管组织损伤占整体的60%。通过对大鼠反流性食管炎的组织学评价也可以确定,中华绒毛鱼给药可显著改善40%的食管黏膜损伤。与反流性食管炎诱导组相比,中华绒螯蟹还下调了环氧化酶-2 (COX-2)、肿瘤坏死因子-α (TNF-α)和紧密连接蛋白(clclauin -5)等蛋白的表达水平。此外,中华绒螯蟹显著减弱活化的B细胞核因子κB轻链增强子(NF-κB)的活化和NF-κB抑制剂(i -κB α)的磷酸化。结论中华绒螯蟹通过调节NF-κB的活化,抑制食管炎的发生,调节炎症反应。综上所述,我们认为中华绒螯蟹对食管黏膜反流性食管炎具有保护作用。
{"title":"Functional Properties of the Water Extract from <i>Eriocheir sinensis</i> (Chinese mitten crab) Via Evaluation of Protective Effects on Reflux Esophagitis Model","authors":"Hyeon Hwa Nam, Jun Ho Song, Jun Lee, Byeong Cheol Moon, Sumin Noh, Li Nan, Byung Kil Choo, Joong-Sun Kim","doi":"10.1177/09731296231189324","DOIUrl":"https://doi.org/10.1177/09731296231189324","url":null,"abstract":"Objectives In the study, we investigated the effects of an Eriocheir sinensis water extract on a reflux esophagitis-induced rat model. Background The crab has been used as a traditional medicine and food source in many countries worldwide for a long time, and the crab contains various useful substances such as chitin, protein, calcium carbonate, etc. Materials and Methods All rats were fasted for 24 h and then orally pretreated with saline, Eriocheir sinensis (100 mg/kg), or ranitidine (40 mg/kg). Reflux esophagitis was induced by pylorus and forestomach ligation. Morphological changes in the mucosal damage in the esophagus were analyzed by the ImageJ program. Also, the expression of the inflammatory proteins and cytokine in the esophagus was measured by western blot assay to demonstrate the protective effects of Eriocheir sinensis in reflux esophagitis model. Histological analysis of esophagus was performed by hematoxylin &amp; eosin (H&amp;E) staining. Results In the reflux esophagitis induction group, the esophageal tissue damage caused by the induction of reflux was 60% of the whole. Eriocheir sinensis administration significantly ameliorated esophageal mucosal damage by 40%, also determined by histological evaluation of reflux esophagitis in rats. Eriocheir sinensis was also found to downregulate the expression levels of proteins such as cyclooxygenase-2 (COX-2), tumor necrosis factor-α (TNF-α), and tight junction protein (claudin-5) compared to the reflux esophagitis induction group. In addition, Eriocheir sinensis markedly attenuated the activation of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) and the phosphorylation of the inhibitor of NF-κB (IκBα). Conclusion These results indicated that Eriocheir sinensis suppressed the development of esophagitis and modulated inflammation by regulating NF-κB activation. Based on these findings, we concluded that Eriocheir sinensis can protect the esophageal mucosa from reflux esophagitis.","PeriodicalId":19895,"journal":{"name":"Pharmacognosy Magazine","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135386636","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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