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https://www.readbyqxmd.com/read/29158673/novel-cationic-lipid-nanoparticles-as-an-ophthalmic-delivery-system-for-multicomponent-drugs-development-characterization-in-vitro-permeation-in-vivo-pharmacokinetic-and-molecular-dynamics-studies
#1
Jialu Wang, Fang Zhao, Rui Liu, Jingjing Chen, Qinghua Zhang, Ruijuan Lao, Ze Wang, Xin Jin, Changxiao Liu
The purpose of this study was to prepare, optimize, and characterize a cationic lipid nanoparticle (CLN) system containing multicomponent drugs using a molecular dynamics model as a novel method of evaluating formulations. Puerarin (PUE) and scutellarin (SCU) were used as model drugs. CLNs were successfully prepared using melt-emulsion ultrasonication and low temperature-solidification technique. The properties of CLNs such as morphology, particle size, zeta potential, entrapment efficiency (EE), drug loading (DL), and drug release behavior were investigated...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29139265/-stability-optimization-of-puerarin-nanocrystalline-self-stabilizied-pickering-emulsion-by-response-surface-methodology
#2
Ji-Fen Zhang, Jiao Zhang, Fan Wang, Shuai Wang, Mei Wang, Tao Yi
A new Pickering emulsion, puerarin nanocrystalline self-stabilized Pickering emulsion (Pu-NSSPE) was developed. Box-Behnken design was used for optimizing the preparation formulation of Pu-NSSPE to improve its stability, and the effects of concentration of puerarin, volume ratio of water to oil, and pH value of water phase on the stratification index of emulsion, droplet size and drug concentration in emulsion were investigated. Results showed that the optimized Pu-NSSPE could be prepared with the concentration of puerarin of 0...
August 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29121799/pueraria-lobate-inhibits-rankl-mediated-osteoclastogenesis-via-downregulation-of-creb-pgc1%C3%AE-c-fos-nfatc1-signaling
#3
Keun Ha Park, Dong Ryun Gu, Su Hyun Jin, Chi-Su Yoon, Wonmin Ko, Youn Chul Kim, Seoung Hoon Lee
Puerariae radix, the dried root of Pueraria lobate Ohwi, is known to prevent bone loss in ovariectomized mice; however, the precise molecular mechanisms are not understood. In this study, we investigated the effects and underlying mechanisms of action of Puerariae radix extract (PRE) on receptor activator of NF-[Formula: see text]B ligand (RANKL)-induced osteoclastogenesis. PRE dose-dependently inhibited osteoclast differentiation and formation, decreased the bone-resorbing activity of osteoclasts, and downregulated the expression of osteoclast differentiation marker genes...
November 9, 2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/29113186/puerarin-induces-cell-apoptosis-in-human-chondrosarcoma-cell-line-sw1353-via-inhibition-of-the-pi3k-akt-signaling-pathway
#4
Li Huang, Junqing Cao, Lan Cao, Ling Gao, Ying Yang, Li Xu
Chondrosarcoma is a malignant soft tissue sarcoma with poor prognosis. Puerarin has been demonstrated to possess anticancer properties; however, the effects of puerarin in human chondrosarcoma cells remain unknown. The present study aimed to investigate the anticancer effects of puerarin in SW1353 human chondrosarcoma cells. SW1353 cells were treated with increasing concentrations of puerarin for different durations. Cell viability was evaluated using MTT assays. Cell apoptosis rates were determined by flow cytometry...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29101599/the-anxiolytic-like-effects-of-puerarin-are-associated-with-the-changes-of-monoaminergic-neurotransmitters-and-biosynthesis-of-allopregnanolone-in-the-brain
#5
Zhi-Kun Qiu, De-Sheng Zhong, Jia-Li He, Xu Liu, Ji-Sheng Chen, Hong Nie
Anxiety disorder is a serious and burdensome psychiatric illness that frequently turn into chronic clinical conditions. Puerarin have been shown to be effective in the therapy of depression. However, few studies are concerned about the anxiolytic-like effects of puerarin. The current study aimed to evaluate the anxiolytic-like effects of puerarin and its possible mechanism. To evaluate this, the behavioral tests, i.e. Vogel-type conflict test (VTCT), elevated plus-maze test (EPMT), and open-field test (OFT) were conducted...
November 3, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29099639/effects-of-glycyrrhizin-on-the-pharmacokinetics-of-puerarin-in-rats
#6
Qun Zhao, Yingli Wang, Hongqin Wang, Lichun Feng
1. Puerarin has been reported to possess a wide range of pharmacological activities. This study investigated the effects of glycyrrhizin on the pharmacokinetics of puerarin in rats. 2. The pharmacokinetics of orally administered puerarin (50 mg/kg) with or without glycyrrhizin pretreatment (100 mg/kg/day for 7 days) were investigated. The plasma concentration of puerarin was determined using a sensitive and reliable LC-MS/MS method. The pharmacokinetics profiles were calculated and compared. Additionally, a Caco-2 cell transwell model was used to investigate the potential mechanism of glycyrrhizin's effects on the pharmacokinetics of puerarin...
November 3, 2017: Xenobiotica; the Fate of Foreign Compounds in Biological Systems
https://www.readbyqxmd.com/read/29098821/-in-vivo-transdermal-penetration-enhancing-activity-of-essential-oil-from-zanthoxyli-pericarpium-by-using-microdialysis-technique
#7
Yi Lan, Lin Yang, Da-Yong Shi, Ying-Xin Wang, Xue-Ping Wu, Xuan Xie, Qing Wu
The aim of this paper is to investigate the topical pharmacodynamics behavior of different lipophilic model drugs after treatment with essential oil from Zanthoxyli Pericarpium by using the cutaneous microdialysis technique, and then evaluate its in vivo transdermal penetration enhancing properties. Two traditional Chinese medicine active components, namely tetramethylpyrazine and puerarin, were chosen as lipophilic and hydrophilic model drugs, respectively. Firstly, the concentration difference method was employed to measure the in vitro recovery rate and loss of the microdialysis probe, and the in vivo recoveries of two model drugs were determined by using the retrodialysis method...
July 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29097815/puerarin-attenuates-diabetic-kidney-injury-through-the-suppression-of-nox4-expression-in-podocytes
#8
Xueling Li, Weijing Cai, Kyung Lee, Bohan Liu, Yueyi Deng, Yiping Chen, Xianwen Zhang, John Cijiang He, Yifei Zhong
Radix puerariae, a traditional Chinese herbal medication, has been used to treat patients with diabetic nephropathy (DN). Several studies demonstrated that puerarin, the active compound of radix puerariae, reduces diabetic injury in streptozotocin (STZ)-induced diabetic rodent models. However, as STZ injection alone results in mild kidney injury, the therapeutic benefit afforded by puerarin in DN remained inconclusive. Thus we sought to clarify the role of puerarin by employing an accelerated DN model, STZ-induced diabetes in the endothelial nitric oxide synthase-null (eNOS(-/-)) mice...
November 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29073480/rapid-profiling-and-identification-of-puerarin-metabolites-in-rat-urine-and-plasma-after-oral-administration-by-uhplc-ltq-orbitrap-mass-spectrometer
#9
Zhanpeng Shang, Qiqi Xin, Wenjing Zhao, Zhibin Wang, Qinqing Li, Jiayu Zhang, Weihong Cong
Puerarin, a bioactive natural C-glycoside isoflavonoid isolated from Pueraria lobata (Willd.) Ohwi, possesses many potential health benefits. However, the in vivo metabolic fates of puerarin have not been comprehensively clarified yet. In this study, an efficient strategy based on UHPLC-LTQ-Orbitrap mass spectrometer in both positive and negative ion modes was developed to profile and characterize puerarin metabolites in rat urine and plasma. Meanwhile, post-acquisition data-mining methods including high-resolution extracted ion chromatogram (HREIC) and multiple mass defect filtering (MMDF) were utilized to screen potential puerarin metabolites from HR-ESI-MS(1) stage...
October 16, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29073478/simultaneous-determination-and-pharmacokinetics-of-fourteen-bioactive-compounds-in-rat-plasma-by-lc-esi-ms-ms-following-intravenous-injection-of-gegen-sanqi-compatibility-solution
#10
Bin Ji, Xing Zhao, Peipei Yu, Lin Meng, Yunli Zhao, Zhiguo Yu
A high-performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS) method was developed and fully validated for simultaneous determination of puerarin, 3'-hydroxy puerarin, 6″-O-xylosyl puerarin, 3'-methoxy puerarin, mirificin, puerarin-7-O-glucoside, daidzin, daidzein, daidzein-7-O-glucoside, ginsenoside-Rd, notoginsenoside-R1, ginsenoside-Re, ginsenoside-Rg1, ginsenoside-Rb1 in rat plasma after intravenous injection of 5mL/kg Gegen-Sanqi compatibility solution (containing Pueraria flavonid 10...
October 16, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29067595/comparison-on-anticoagulation-and-antiplatelet-aggregation-effects-of-puerarin-with-heparin-sodium-and-tirofiban-hydrochloride-an-in-vitro-study
#11
Si-Wei Li, Xue Feng, Hao Xu, Ke-Ji Chen
OBJECTIVE: To detect the anticoagulation and antiplatelet effects of different concentrations of puerarin, heparin sodium and tirofiban hydrochloride on the blood samples of healthy volunteers by Sonoclot coagulation and platelet function analyzer. METHODS: Peripheral blood samples were extracted from 20 healthy volunteers, followed by adding different concentrations of puerarin, heparin sodium and tirofiban hydrochloride. Samples were detected for activated clotting time (ACT), clot rate (CR) and platelet function (PF) by Sonoclot coagulation and platelet function analyzer instrument...
October 25, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/29061371/puerarin-acts-on-the-skeletal-muscle-to-improve-insulin-sensitivity-in-diabetic-rats-involving-%C3%AE-opioid-receptor
#12
Xiufang Chen, Lei Wang, Shanshan Fan, Shiyu Song, Haiyan Min, Yongzheng Wu, Xuan He, Qiao Liang, Yong Wang, Long Yi, Qian Gao
Puerarin, a major active isoflavone extracted from the root of Pueraria lobate, significantly increases plasma β-endorphin and insulin levels and improves impaired insulin signaling in diabetic animals. However, the target tissues and underlying mechanisms in and through which puerarin functions to ameliorating insulin resistance remains largely unclear. In this study, we showed that puerarin enhanced μ-opioid receptor expression and phosphorylation, and increased insulin-stimulated glucose transporter 4 translocation to the plasma membrane in the skeletal muscle of diabetic rats, which were recaptured by a direct application of puerarin in the palmitate-induced insulin-resistant L6 myotubes...
October 20, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29054452/mechanism-of-aquaporin-4-aqp-4-up-regulation-in-rat-cerebral-edema-under-hypobaric-hypoxia-and-the-preventative-effect-of-puerarin
#13
Chi Wang, Muyang Yan, Hui Jiang, Qi Wang, Shang He, Jingwen Chen, Chengbin Wang
AIM: We aim to investigate the mechanism of aquaporin 4 (AQP 4) up-regulation during high-altitude cerebral edema (HACE) in rats under hypobaric hypoxia and preventative effect of puerarin. METHODS: Rats were exposed to a hypobaric chamber with or without the preventative treatment of puerarin or dexamethasone. Morriz water maze was used to evaluate the spatial memory injury. HE staining and W/D ratio were used to evaluate edema injury. Rat astrocytes and microglia were co-cultured under the condition of hypoxia with the administration of p38 inhibitor, NF-κB inhibitor or puerarin...
October 17, 2017: Life Sciences
https://www.readbyqxmd.com/read/29042907/effects-of-puerarin-combined-with-conventional-therapy-on-ischemic-stroke
#14
Min Yuan, Guijiang Liu, Xiuqi Zheng, Pei Li, Jinghua Liu, Sujie Wang, Yibin Cao
This study evaluated the use of conventional therapy combined with puerarin on ischemic stroke. Eighty patients with ischemic stroke admitted to Tangshan Gongren Hospital from March 2014 to September 2015 were randomly divided into two groups. The control group was treated with conventional therapy. The observation group was treated with an additional puerarin injection of 400 mg/day. The patients in both groups were examined for clinical neurological signs and symptoms. The levels of biochemical markers as well as changes in hemorheology were measured after the intervention and compared among the groups...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29039532/puerarin-attenuates-the-daunorubicin-induced-apoptosis-of-h9c2-cells-by-activating-the-pi3k-akt-signaling-pathway-via-the-inhibition-of-ca2-influx
#15
Weihua Li, Min Lu, Yanhong Zhang, Danqin Xia, Zebin Chen, Linhua Wang, Nina Yin, Zhigang Wang
Puerarin extracted from Radix Puerariae is well known for its pharmacological effects, including antioxidant, anti‑inflammatory, neuroprotective and cardioprotective properties. In this study, we aimed to investigate the effects of puerarin on the daunorubicin (DNR)-induced apoptosis of H9c2 cells and to elucidate the potential mechanisms involved. MTT assay and flow cytometry were performed to evaluate cell cytotoxicity and apoptosis, respectively. Western blot analysis was used to assess changes in the expression levels of proteins, including caspase-3, Akt and phosphorylated Akt (p-Akt)...
October 12, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29039314/effects-of-puerarin-on-lipopolysaccharide-induced-myocardial-dysfunction-in-isolated-rat-hearts
#16
Zhang Shaojun, Xu Yanyan, Chen Jian, Zheng Xia, Fang Qiang, Jiang Saiping
Myocardial dysfunction is a serious complication induced by sepsis. Puerarin is an oriental medicine that possesses therapeutic benefits for cardiovascular diseases. The aim of this study was to evaluate the anti-myocardial dysfunction effects of puerarin in isolated rat hearts induced by lipopolysaccharide- and compare the myocardial protective effects between the different concentrations of puerarin. Isolated hearts were attached to a Langendorff apparatus and perfused with lipopolysaccharide (LPS) and different concentrations of puerarin...
July 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29037842/puerarin-inhibits-expression-of-tissue-factor-induced-by-oxidative-low-density-lipoprotein-through-activating-the-pi3k-akt-enos-pathway-and-inhibiting-activation-of-erk1-2-and-nf-%C3%AE%C2%BAb
#17
Hue-Fei Deng, Xiao-Li Wang, Hui Sun, Xian-Zhong Xiao
AIMS: The present study aimed to investigate whether puerarin regulated tissue factor (TF) expression induced by oxidative low-density lipoprotein (ox-LDL), an independent risk factor for atherosclerosis, and its mechanisms. MAIN METHODS: TF expression at the mRNA level was determined by reverse transcription-quantitative polymerase chain reaction, and its expression at the protein level, as well as other target proteins, was assessed by western blotting. Nitric oxide (NO) production was measured by a nitrate reduction method...
October 13, 2017: Life Sciences
https://www.readbyqxmd.com/read/28990074/puerarin-inhibits-%C3%AE-%C3%A2-amyloid-peptide-1%C3%A2-42%C3%A2-induced-tau-hyperphosphorylation-via-the-wnt-%C3%AE-%C3%A2-catenin-signaling-pathway
#18
Ying Yao, Xianchun Chen, Yuting Bao, Yangsheng Wu
Excessive tau protein phosphorylation is important in the pathogenesis and early abnormal signal transduction of Alzheimer's disease. Excessive phosphorylation of microtubules is associated with tau accumulation, which induces the formation of neurofibrillary tangles in neurons, leading to synaptic damage and ultimately, neurodegeneration. The present study aimed to investigate the possible mechanism underlying the inhibitory effects of puerarin on β‑amyloid peptide (Aβ)1‑42‑induced tau protein hyperphosphorylation in SH‑SY5Y cells...
December 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28947910/soybean-milk-inhibits-absorption-and-intestinal-transmembrane-transport-of-gegen-in-rats
#19
Xiao Ling, Yuqiang Xiang, Qingfa Tang, Zhen Jin, Feilong Chen, Xiaomei Tan
Puerariae Lobatae Radix, known as Gegen in Chinese, is widely used to treat cardiovascular diseases, diabetes, and many other chronic illnesses. Flavonoids are the main active components in Gegen and are found in high concentrations in soybeans. Few studies, however, have focused on the effects of flavonoid-rich food on the absorption of Gegen. Here, we report an in vivo pharmacokinetic study on rats to explore the effects of soybean milk on the absorption of Gegen and an in vitro Ussing chamber study of puerarin intestinal transmembrane absorption...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28945042/-effect-of-compound-longmaining-decoction-with-different-combinations-on-intestinal-absorption-of-puerarin
#20
Xi-Hui Bai, Shi-Yu Liu, Jing Wang, Chang-Li Wang, Xiao Song
To study the effects of compound Longmaining(FFLMN) with different combinations on the intestinal absorption of puerarin. The rat single pass intestinal perfusion model was adopted, and the concentration of puerarin in intestinal samples was determined by HPLC. The effects of different combination groups on the absorption of puerarin in duodenum, jejunum, ileum and colon were investigated. The combined drugs were GG(Puerariae Lobatae Radix), GG-CSL (Puerariae Lobatae Radix compared with Dioscoreae Nipponicae Rhizoma), GG-CX(Puerariae Lobatae Radix compared with Chuanxiong Rhizoma) and FFLMN (compound Longmaining)...
January 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
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