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Icariin

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https://www.readbyqxmd.com/read/29130769/neuroprotective-effects-and-uplc-q-tof-ms-based-active-components-identification-of-external-applied-a-novel-wen-luo-tong-microemulsion
#1
Hong-Mei Lin, Long-Fei Lin, Zhen-Zhen Xia, Yong Mao, Jia Liu, Ling-Yan Xu, Qing Wu
Chemotherapy induced neuropathy causes excruciating pain to cancer patients. Wen-Luo-Tong (WLT), a traditional Chinese medicinal compound, has been used to alleviate anti-cancer drug such as oxaliplatin-induced neuropathic pain for many years. However, the current route of administration of WLT is inconvenient and the active ingredients and mechanism of action of WLT are still unclear. To address these issues, we developed a novel formulation of WLT (W/O microemulsion) for the ease of application. New ultra-performance liquid chromatography-quadrupole time-of-flight mass spectrometry (UPLC-Q-TOF/MS) methods were employed for analysis of the ingredients...
November 13, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29130610/the-effects-of-icariin-on-wound-healing-of-extraction-sites-with-administration-of-zoledronic-and-dexamethasone-a-rat-model-study
#2
Jie Liu, Nikos Mattheos, Cheng Su, Chuanxi Deng, Nanyu Luo, Zekun Wang, Hua Tang
OBJECTIVE: This study was intended to investigate the effects of Icariin on the healing of tooth extraction sites under systemic administration of Zoledronic and Dexamethasone. METHOD: Thirty female rats underwent bilateral ovariectomy and were randomly assigned to 5 groups: SS group received weekly injection of saline while ZD, ZD+LICA, ZD+MICA and ZD+HICA groups received Zoledronic with Dexamethasone for 8 weeks. One week later, mandibular first molars were extracted in all groups...
November 11, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/29128809/icariin-induces-apoptosis-in-acute-promyelocytic-leukemia-by-targeting-pim1
#3
Hong Zhang, Ping Li, Jing Li, Tongguo Song, Lin Wang, Enze Li, Jiao Wang, Luning Wang, Na Wei, Zhi Wang
BACKGROUND: Acute promyelocytic leukemia (APL) is one type of acute myeloid leukemia (AML) featured by abnormal, heavily granulated promyelocytes. This study aimed to investigate the antitumor activity of icariin in APL cells. METHODS: APL cell lines (HL-60 and NB4) were used to investigate the effect of icariin in vitro. Cell viability was determined by WST-8 proliferation assay, while cell apoptosis was assessed by flow cytometry. The mRNA and protein expression was determined by quantitative real-time polymerase chain reaction and Western blot, respectively...
June 15, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/29110063/the-effect-of-icariin-on-bone-metabolism-and-its-potential-clinical-application
#4
REVIEW
Z Wang, D Wang, D Yang, W Zhen, J Zhang, S Peng
Osteoporosis is a bone disease characterized by reduced bone mass, which leads to increased risk of bone fractures, and poses a significant risk to public health, especially in the elderly population. The traditional Chinese medicinal herb Epimedii has been utilized for centuries to treat bone fracture and bone loss. Icariin is a prenylated flavonol glycoside isolated from Epimedium herb, and has been shown to be the main bioactive component. This review provides a comprehensive survey of previous studies on icariin, including its structure and function, effect on bone metabolism, and potential for clinical application...
November 6, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/29096397/porous-composite-scaffold-incorporating-osteogenic-phytomolecule-icariin-for-promoting-skeletal-regeneration-in-challenging-osteonecrotic-bone-in-rabbits
#5
Yuxiao Lai, Huijuan Cao, Xinluan Wang, Shukui Chen, Ming Zhang, Nan Wang, Zhihong Yao, Yi Dai, Xinhui Xie, Peng Zhang, Xinsheng Yao, Ling Qin
Steroid-associated osteonecrosis (SAON) often requires surgical core decompression (CD) in the early stage for removal of necrotic bone to facilitate repair where bone grafts are needed for filling bone defect and avoiding subsequent joint collapse. In this study, we developed a bioactive composite scaffold incorporated with icariin, a unique phytomolecule that can provide structural and mechanical support and facilitate bone regeneration to fill into bone defects after surgical CD in established SAON rabbit model...
October 23, 2017: Biomaterials
https://www.readbyqxmd.com/read/29089766/evaluation-of-synergistic-osteogenesis-between-icariin-and-bmp2-through-a-micro-meso-hierarchical-porous-delivery-system
#6
Qian Wang, Lingyan Cao, Yang Liu, Ao Zheng, Jiannan Wu, Xinquan Jiang, Ping Ji
BMP2 is well known as an outstanding growth factor for inducing new bone formation. However, improvements are still required to use BMP2 effectively and expand its clinical application due to the potential side effects at high doses. In this study, icariin (IC), a type of traditional Chinese medicine, was originally proposed to be a cooperative factor for BMP2. An alkaline phosphatase (ALP) activity assay showed that IC promoted BMP2 osteogenesis in a concentration-dependent manner with significant enhancement at 38...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29089388/the-flavonol-glycoside-icariin-promotes-bone-formation-in-growing-rats-by-activating-the-camp-signaling-pathway-in-primary-cilia-of-osteoblasts
#7
Wengui Shi, Yuhai Gao, Yuanyuan Wang, Jian Zhou, Zhenlong Wei, Xiaoni Ma, Huiping Ma, Cory J Xian, Jufang Wang, Keming Chen
Icariin, a prenylated flavonol glycoside isolated from the herb Epimedium, has been considered as a potential alternative therapy for osteoporosis. Previous research has shown that unlike other flavonoids, icariin is unlikely to act via the estrogen receptor, but its exact mechanism of action is unknown. In this study, using rat calvarial osteoblast culture and rat bone growth models, we demonstrated that icariin promotes bone formation by activating the cAMP/protein kinase A (PKA)/cAMP response element-binding protein (CREB) pathway requiring functional primary cilia of osteoblasts...
October 31, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29075193/icariin-an-anti-atherosclerotic-drug-from-chinese-medicinal-herb-horny-goat-weed
#8
REVIEW
Jian Fang, Yongjun Zhang
Icariin is a major bioactive pharmaceutical constituent isolated from Chinese medicine Horny Goat Weed (Ying Yang Huo) with potent cardiovascular protective functions. Emerging evidence in the past decade has shown that Icariin possesses multiple atheroprotective functions, through multiple mechanisms, including attenuating DNA damage, correcting endothelial dysfunction, inhibiting the proliferation and migration of smooth muscle cells, repressing macrophage-derived foam cell formation and inflammatory responses, as well as preventing platelet activation...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29058779/the-combination-of-icariin-and-constrained-dynamic-loading-stimulation-attenuates-bone-loss-in-ovariectomy-induced-osteoporotic-mice
#9
Qiang-Song Wang, Gui-Fang Wang, Yu-Ren Lu, Yuan-Lu Cui, Hao -Li, Rui-Xin Li, Xi-Zheng Zhang, Chun-Qiu Zhang, Tian-Jun Liu
Osteoporosis is a disease characterized by low bone mass and progressive destruction of bone microstructure, resulting in increasing the risk of fracture. Icariin (ICA) as a phytoestrogen shows osteogenic effects, and the mechanical stimulation has been demonstrated the improving effect on osteoporosis. The objective of this study was to investigate the effect of ICA in combination with constrained dynamic loading (CDL) stimulation on osteoporosis in ovariectomized (OVX) mice. The serum hormone levels, bone turnover markers, trabecular architecture, ulnar biomechanical properties, and the expression of osteoblast-related gene (alkaline phosphatase, ALP; osteocalcin, OCN; bone morphogenetic protein-2, BMP-2; Collagen I (α1), COL1; osteoprotegerin, OPG) and osteoclast-related genes (receptor activators of NF-κB ligand, RANKL; tartrate-resistant acid phosphatase, TRAP) were analyzed...
October 23, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29057264/icariin-attenuates-synaptic-and-cognitive-deficits-in-an-a%C3%AE-1-42-induced-rat-model-of-alzheimer-s-disease
#10
Chenxia Sheng, Panpan Xu, Kexin Zhou, Dan Deng, Chunhu Zhang, Zhe Wang
Icariin (ICA), a prenylated flavanol glycoside present in abundant quantities in Epimedium sagittatum, has shown promise in the treatment and prevention of Alzheimer's disease. Damage to synaptic plasticity induced by amyloid-beta-mediated neurotoxicity is considered a main pathological mechanism driving the learning and memory deficits present in patients with Alzheimer's disease. This study investigated the neuroprotective effects of icariin in an Aβ1-42-induced rat model of Alzheimer's disease. Our results showed that Aβ1-42 injection induced loss of learning and memory behaviour in the Morris water maze, which could be reversed with intragastric administration of ICA...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29048399/rapid-screening-of-active-components-with-an-osteoclastic-inhibitory-effect-in-herba-epimedii-using-quantitative-pattern-activity-relationships-based-on-joint-action-models
#11
Xiao-Yan Yuan, Meng Wang, Sheng Lei, Qian-Xu Yang, Yan-Qiu Liu
Screening of bioactive components is important for modernization and quality control of herbal medicines, while the traditional bioassay-guided phytochemical approach is time-consuming and laborious. The presented study proposes a strategy for rapid screening of active components from herbal medicines. As a case study, the quantitative pattern-activity relationship (QPAR) between compounds and the osteoclastic inhibitory effect of Herba epimedii, a widely used herbal medicine in China, were investigated based on joint models...
October 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29040929/determination-of-geographical-origin-and-icariin-content-of-herba-epimedii-using-near-infrared-spectroscopy-and-chemometrics
#12
Yue Yang, Yongjiang Wu, Weili Li, Xuesong Liu, Jiyu Zheng, Wentao Zhang, Yong Chen
Near infrared (NIR) spectroscopy coupled with chemometrics was used to discriminate the geographical origin of Herba Epimedii in this work. Four different classification models, namely discriminant analysis (DA), back propagation neural network (BPNN), K-nearest neighbor (KNN), and support vector machine (SVM), were constructed, and their performances in terms of recognition accuracy were compared. The results indicated that the SVM model was superior over the other models in the geographical origin identification of Herba Epimedii...
October 10, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29018425/phosphorylation-of-icariin-can-alleviate-the-oxidative-stress-caused-by-the-duck-hepatitis-virus-a-through-mitogen-activated-protein-kinases-signaling-pathways
#13
Wen Xiong, Wei Zhang, Wenjuan Yuan, Hongxu Du, Ke Ming, Fangke Yao, Jingying Bai, Yun Chen, Jiaguo Liu, Deyun Wang, Yuanliang Hu, Yi Wu
The duck virus hepatitis (DVH) caused by the duck hepatitis virus A (DHAV) has produced extensive economic losses to the duck industry. The currently licensed commercial vaccine has shown some defects and does not completely prevent the DVH. Accordingly, a new alternative treatment for this disease is urgently needed. Previous studies have shown that icariin (ICA) and its phosphorylated derivative (pICA) possessed good anti-DHAV effects through direct and indirect antiviral pathways, such as antioxidative stress...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28963488/synthesis-of-prenylated-flavonols-and-their-potents-as-estrogen-receptor-modulator
#14
Zhenru Tao, Juan Liu, Yueming Jiang, Liang Gong, Bao Yang
Prenylated flavonols are known as phytoestrogen and have good bioactivties. However, their abundances in nature are pretty low. It is required to find an efficient synthesis technique. Icariin is a prenylated flavonol glycoside with low cost. It can be used to synthesize different prenylated flavonols. A combination of cellulase and trifluoacetic acid hydrolysis could effectively remove rhamnose and glucose from icariin. Icaritin, anhydroicaritin and wushanicaritin were the leading prenylated flavonol products...
September 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28944832/icariin-improves-acute-kidney-injury-and-proteinuria-in-a-rat-model-of-pregnancy%C3%A2-induced-hypertension
#15
Wenyu Zhang, Wei Yuan, Ning Xu, Jinping Li, Wenxiu Chang
Icariin has previously been demonstrated to attenuate hyperglycemia‑induced renal injury, however the renoprotective effects of icariin in a rat model of pregnancy‑induced hypertension (PIH) remain to be elucidated. The present study aimed to investigate the effect of icariin on PIH‑induced acute kidney injury (AKI) and proteinuria. Following 18 days of icariin treatment between day 1 and day 18 of gestation, which was combined with NG‑nitro‑L‑arginine methyl ester (L‑NAME) treatment between day 12 and day 18 of gestation to induce PIH, the 24 h urine protein level, blood urea nitrogen and serum creatinine were measured by using the Coomassie Brilliant Blue method, a commercial enzymatic kit and the picric acid method, respectively...
November 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28925164/-effects-of-icariin-on-proliferation-of-vascular-smooth-muscle-cell-induced-by-ox-ldl-via-impacting-mapk-signaling-pathway
#16
Yan-Wu Hu, Hai-Tao Li, Kai Liu, Meng-Tong Yan, Yang Zhang, Li-Qun Ren
This paper was aimed to study the effects of icariin (ICA) on the proliferation of vascular smooth muscle cell (VSMC) induced by oxidized low density lipoprotein (ox-LDL), and the molecular mechanism of the expression of proliferating cell nuclear antigen (PCNA) and MAPK signaling pathway. In this study, VSMC was induced by ox-LDL (50 mg•L⁻¹),the effect of ICA on the proliferation of VSMC was detected by MTT assay, Western blot and Real-time PCR. The results showed that after stimulation of ox-LDL, the proliferation activity of VSMC was increased, S phase, G₂/M phase cells were increased, G₀/G₁ phase cells were decreased, PCNA protein expression was enhanced; ICA (40, 20, 10 μmol•L⁻¹) could effectively inhibit ox-LDL-induced VSMC proliferation, S phase and G₂/M phase cells were decreased, the percentage of cells in G₀/G₁ phase were increased, PCNA expression was decreased, p38MAPK and ERK1/2 activation were inhibited...
October 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28884956/osteoblast-cell-membrane-chromatography-coupled-with-liquid-chromatography-and-time-of-flight-mass-spectrometry-for-screening-specific-active-components-from-traditional-chinese-medicines
#17
Nani Wang, Qiaoyan Zhang, Hailiang Xin, Dan Shou, Luping Qin
A method using osteoblast membrane chromatography coupled with liquid chromatography and time-of-flight mass spectrometry was developed to recognize and identify the specific active components from traditional Chinese medicines. Primary rat osteoblasts were used for the preparation of the stationary phase in the cell chromatography method. Retention components from the cell chromatography were collected and analyzed by liquid chromatography with time-of-flight mass spectrometry. This method was applied in screening active components from extracts of four traditional Chinese medicines...
September 8, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28819219/the-fabrication-of-an-ica-sf-plcl-nanofibrous-membrane-by-coaxial-electrospinning-and-its-effect-on-bone-regeneration-in-vitro-and-in-vivo
#18
Lihua Yin, Kaijuan Wang, Xiaoqin Lv, Rui Sun, Shaohua Yang, Yujie Yang, Yanyun Liu, Jiatao Liu, Jing Zhou, Zhanhai Yu
GBR is currently accepted as one of the most effective approaches for bone defect regeneration relating to dental implant. Icariin is the main active ingredient in the extraction of total flavonoids from the Chinese traditional herb Epimediumbrevicornum Maxim. In this study, ICA was successfully incorporated into the nanofibers barrier membrane (ICA-SF/PLCL) as osteoinduction factor by coaxial electrospinning and was released in a sustained and controlled manner. The entire release period included two stages: an initial burst stage (47...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28812170/a-novel-approach-to-utilize-icariin-as-icariin-derived-ecm-on-small-intestinal-submucosa-scaffold-for-bone-repair
#19
Mei Li, Chi Zhang, Yi Zhong, Jiyuan Zhao
Icariin (Ic) has been demonstrated as a potent osteoinductive compound for bone tissue engineering. However, toxic side effects of the drug and poor biocompatibility of drug delivery systems (DDSs) still limit its application for bone repair in the clinic. To overcome these disadvantages and utilize the osteoinductivity of Ic, we developed a novel method to utilize Ic as an Ic-derived osteoinductive extracellular matrix (ECM) on small intestinal submucosa (SIS) (Ic-ECM-SIS). The generated Ic-ECM-SIS scaffolds, as a natural construct, exhibited much better biocompatibility (including cell adhesion, cell survival and cell proliferation) than Ic-SIS scaffolds generated by traditional DDSs...
August 15, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28810527/icariin-combined-with-snailase-shows-improved-intestinal-hydrolysis-and-absorption-in-osteoporosis-rats
#20
Congyan Liu, Xia Gao, Yuping Liu, Mengmeng Huang, Ding Qu, Yan Chen
Icariin has a significant anti-osteoporotic activity, but its clinical application is limited due to a poor oral bioavailability especially under pathological conditions like osteoporosis. Based on the intestinal absorption and metabolism characteristics of icariin in the osteoporosis rats, a kind of simple enteric capsules containing icariin and snailase was designed to overcome this issue in this study. Snailase was secleted as the most efficient exogenous hydrolase of icariin and the related hydrolysis reaction parameters were optimized in the artificial intestinal liquid...
October 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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