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Icariin

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https://www.readbyqxmd.com/read/28447732/icariin-inhibits-mmp%C3%A2-1-mmp%C3%A2-3-and-mmp%C3%A2-13-expression-through-mapk-pathways-in-il%C3%A2-1%C3%AE-%C3%A2-stimulated-sw1353-chondrosarcoma-cells
#1
Li Zeng, Xiao-Feng Rong, Rong-Heng Li, Xing-Ye Wu
Osteoarthritis (OA) is the most common type of arthritis and is a leading cause of disability worldwide, resulting in pain, reduced quality of life and socioeconomic burden. Current therapies for OA focus on mitigating the symptoms of advanced disease, but novel therapeutic agents are needed to inhibit the processes leading to OA. The present study aimed to investigate the effects of Icariin on matrix metalloproteinase (MMP)‑1, MMP‑3 and MMP‑13 expression in interleukin (IL)‑1β‑stimulated human SW1353 chondrosarcoma cells, and to investigate the possible mechanism underlying the chondroprotective effects of Icariin...
March 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28413478/icariin-improves-osteoporosis-inhibits-the-expression-of-ppar%C3%AE-c-ebp%C3%AE-fabp4-mrna-n1icd-and-jagged1-proteins-and-increases-notch2-mrna-in-ovariectomized-rats
#2
Hengrui Liu, Yingquan Xiong, Xiaofeng Zhu, Han Gao, Sujuan Yin, Jiefang Wang, Guangming Chen, Chaopeng Wang, Lu Xiang, Panpan Wang, Ji Fang, Ronghua Zhang, Li Yang
Icariin (ICA) is a pharmacologically active flavonoid glycoside that shows promise in the treatment and prevention of osteoporosis (OP). However, the mechanisms underlying the anti-osteoporotic effects of ICA remain largely unclear. The present study used quantitative polymerase chain reaction, western blot and immunohistochemical analysis to examine the effects of ICA on several key targets in the Notch signaling pathway in bone tissue in ovariectomized rats. It was observed that ICA has a pronounced beneficial effect on OP rats and inhibits the expression of peroxisome proliferator-activated receptor γ (PPARγ), CCAAT/enhancer binding protein α (C/EBPα) and fatty acid-binding protein 4 (FABP4) mRNA...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28408345/icariin-protects-against-glucocorticoid-induced-osteoporosis-increases-the-expression-of-the-bone-enhancer-dec1-and-modulates-the-pi3k-akt-gsk3%C3%AE-%C3%AE-catenin-integrated-signaling-pathway
#3
Hu Jinhua, Mao Zhao, He Shuangcheng, Zhan Yuanran, Ning Rui, Liu Wei, Yan Bingfang, Yang Jian
Osteoporosis is a serious public health concern worldwide. Herba epimedii has been used for centuries and even thousands of years to treat osteoporotic conditions. Icariin, a flavonol glycoside, is one of the major active ingredients. In this study, we have shown that icariin protected against glucocorticoid-induced osteoporotic changes in SaoS-2 cells and mice. We have also shown that dexamethasone (a glucocorticoid) suppressed and icariin induced DEC1, a structurally distinct helix-loop-helix protein. DEC1 overexpression promoted whereas DEC1 knockdown decreased osteogenic activity...
April 10, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28395974/antidepressant-like-activity-of-icariin-mediated-by-group-i-mglurs-in-prenatally-stressed-offspring
#4
Xiaoxiao Zhang, Hongli Sun, Qian Su, Tianwei Lin, Huiping Zhang, Junli Zhang, Shaokang Dang, Zhongliang Zhu
OBJECTIVE: The present study was performed to identify antidepressant-like activity of icariin in prenatally stressed male rats. METHODS: The effects of icariin on PRS-induced depression were examined using sucrose preference test (SPT) and forced swimming test (FST) in male offspring, and measuring protein and mRNA expressions of group I mGluRs receptors and EAAT2 via western blotting and quantitative real-time PCR assays. RESULTS: The results indicated that prenatal restraint stress (PRS) resulted in several behavioral anomalies...
April 7, 2017: Brain & Development
https://www.readbyqxmd.com/read/28385083/anti-dhav-1-reproduction-and-immuno-regulatory-effects-of-a-flavonoid-prescription-on-duck-virus-hepatitis
#5
Yun Chen, Ling Zeng, Jingjing Yang, Yixuan Wang, Fangke Yao, Yi Wu, Deyun Wang, Yuanliang Hu, Jiaguo Liu
CONTEXT: The flavonoid prescription baicalin-linarin-icariin-notoginsenoside R1 (BLIN) has a curative effect on duck virus hepatitis (DVH) caused by duck hepatitis A virus type 1 (DHAV-1). However, the mechanism of this curative effect is not understood. OBJECTIVE: This study investigates the mechanism of the curative effect of BLIN on DVH caused by DHAV-1. We analyzed the anti-DHAV-1 reproduction mechanism and immuno-regulatory effect of BLIN. MATERIALS AND METHODS: The anti-DHAV-1 reproduction effects of BLIN at 20, 10, 5 and 2...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28363169/glucocorticoid-induced-leucine-zipper-may-play-an-important-role-in-icariin-by-suppressing-osteogenesis-inhibition-induced-by-glucocorticoids-in-osteoblasts
#6
Zhong Lin, Zheng Li Jiang, Li Hua Chen, Yuan Sun, Sai Zhen Chen, Peng Zhou, Ai Xiao Xia, Hui Jin, Yan Wu Zhu, Dan Yang Chen
BACKGROUND AND PURPOSE: Icariin is a potent stimulator of osteogenic differentiation; however, the mechanism underlying its osteogenic effect remains unclear. The osteogenic effect of icariin is related to the upstream glucocorticoid-induced leucine zipper (GILZ) signaling pathway, and antagonism with dexamethasone-induced osteoblast inhibition was noted. METHODS: MC3T3-E1 cells were cultured in induced medium treated with icariin with or without dexamethasone. After short interfering RNA (siRNA) were used to silence GILZ expression, the degree of mineralization, proliferation, and GILZ expression as well as the levels of osteogenic (OPG, RANKL, ALP, OC and RUNX2) markers were tested...
March 28, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28355606/use-of-an-osteoblast-overload-damage-model-to-probe-the-effect-of-icariin-on-the-proliferation-differentiation-and-mineralization-of-mc3t3-e1-cells-through-the-wnt-%C3%AE-catenin-signalling-pathway
#7
Yingjie Liu, Lulu Huang, Baohui Hao, Hao Li, Shuanglong Zhu, Qiangsong Wang, Ruixin Li, Yunqiang Xu, Xizheng Zhang
BACKGROUND/AIMS: Mechanical loading plays an important role in the regulation of bone mass. However, bone cells are not always under physiological stress. In some cases, bone tissue is subjected to an overloaded mechanical environment. For example, a person who is weight training and a stevedore often experience bone pain, inflammation and other bone fatigue damage symptoms. Icariin is the major ingredient of Herba epimedii, which has been widely used for the treatment of bone injury in traditional Chinese medicine, but its mechanism remains unknown...
March 28, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28350842/combination-of-mesenchymal-stem-cell-injection-with-icariin-for-the-treatment-of-diabetes-associated-erectile-dysfunction
#8
Xiyou Wang, Chuanhai Liu, Yong Xu, Ping Chen, Yue Shen, Yansheng Xu, Yubo Zhao, Weihao Chen, Xinyu Zhang, Yun Ouyang, Yi Wang, Changliang Xie, Maojun Zhou, Cuilong Liu
The present study was aimed to examine whether icariin, a traditional Chinese medicine, could improve therapeutic effects of adipose derived mesenchymal stem cells (ADSCs) for diabetes-associated erectile dysfunction (DMED). DMED were induced in rats by intraperitoneal injection of streptozotocin and confirmed by erectile function measurement. Then, rats of diabetic ED were randomly divided to receive the treatment of saline, ADSCs, icariin or ADSCs combined with icariin respectively. Compared with the treatment by ADSCs or icariin alone, intracavernosum injection of ADSCs combined with the following daily gastric gavage of icariin significantly augmented the value of ICP and ICP/MAP (p<0...
2017: PloS One
https://www.readbyqxmd.com/read/28296277/effect-of-icariin-in-combination-with-daily-sildenafil-on-penile-atrophy-and-erectile-dysfunction-in-a-rat-model-of-bilateral-cavernous-nerves-injury
#9
Y Xu, H Xin, Y Wu, R Guan, H Lei, X Fu, Z Xin, Y Yang
The commonly utilized phosphodiesterase type 5 inhibitors do not lead to satisfactory penile erection after radical prostatectomy mainly because of insufficient nitric oxide drive from the damaged cavernous nerves. The aim of this study was to assess the efficacy and mechanisms of icariin in combination with daily sildenafil on neurogenic erectile dysfunction and penile atrophy in a rat model of bilateral cavernous nerves injury. Sixty male Sprague-Dawley rats injected with 5-ethynyl-2-deoxyuridine (50 mg/kg) at postnatal day 1 for the purpose of tracking endogenous stem cells in penis...
May 2017: Andrology
https://www.readbyqxmd.com/read/28294371/icariin-improves-the-sexual-function-of-male-mice-through-the-pi3k-akt-enos-no-signalling-pathway
#10
J Ding, Y Tang, Z Tang, X Zu, L Qi, X Zhang, G Wang
We aimed to investigate the effect and mechanism of icariin on male sexual function. Forty-eight Crl:CD1(ICR) male mice were randomly divided into control, low-, medium- and high-dose icariin group (intragastric administration of 50, 100 and 200 mg/kg/d for 21 days). Mating experiment was then performed at a ratio of 1: 3 (male: female). The mating behaviours of male mice were recorded. The genital indexes and serum testosterone, nitric oxide (NO), hypothalamic dopamine (DA) and 5- hydroxy tryptophan (5-HT) concentrations were measured...
March 15, 2017: Andrologia
https://www.readbyqxmd.com/read/28260001/icaritin-a-novel-plant-derived-osteoinductive-agent-enhances-the-osteogenic-differentiation-of-human-bone-marrow-and-human-adipose-tissue-derived-mesenchymal-stem-cells
#11
Tao Wu, Tao Shu, Le Kang, Jinhui Wu, Jianzhou Xing, Zhiqin Lu, Shuxiang Chen, Jun Lv
For the treatment of diseases affecting bones using bone regenerative medicine, there is an urgent need to develop safe, inexpensive drugs that can strongly induce bone formation. In the present study, we systematically investigated the effects of icaritin, a metabolic product of icariin, on the osteogenic differentiation of human bone marrow‑derived mesenchymal stem cells (hBMSCs) and human adipose tissue‑derived stem cells (hADSCs) in vitro. After treatment with icaritin at concentrations of 10‑8-10‑5 M, hBMSCs and hADSCs were examined for alkaline phosphatase activity, osteocalcin (OC) secretion, matrix mineralization and expression levels of bone‑related mRNA and proteins...
February 24, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28247600/-effects-of-icariin-total-flavonoids-capsule-on-bone-mineral-density-and-bone-histomorphometry-in-growing-rats
#12
Yuhai Gao, Fangfang Yang, Huirong Xi, Wenyuan Li, Ping Zhen, Keming Chen
Objective: To investigate the effect of icariin total flavonoids capsules (ITFC) on bone mineral density (BMD) and bone histomorphometry in growing rats and its anti-osteoporosis mechanism. Methods: Thirty female SD rats were randomly divided into 3 groups:normal control group, ITFC-1 group and ITFC-2 group. Rats in ITFC-1 group and ITFC-2 group were fed with 50 mg·kg(-1)·d(-1) or 100 mg·kg(-1)·d(-1) ITFC, respectively, and those in normal control group were fed with equal volume of distilled water. The whole body BMD was measured after 4, 8 and 12 weeks, and BMDs of the right femur and lumbar vertebrae were measured after 12 weeks...
May 25, 2016: Zhejiang da Xue Xue Bao. Yi Xue Ban, Journal of Zhejiang University. Medical Sciences
https://www.readbyqxmd.com/read/28243204/icariin-inhibits-ampk-dependent-autophagy-and-adipogenesis-in-adipocytes-in-vitro-and-in-a-model-of-graves-orbitopathy-in-vivo
#13
Hong Li, Yifei Yuan, Yali Zhang, Xia Zhang, Long Gao, Rongjuan Xu
Graves' orbitopathy (GO), an extrathyroidal manifestation of Graves' disease, is an inflammatory autoimmune disorder of the orbit that involves the differentiation of precursor cells into mature adipocytes and retro-orbital adipose tissue accumulation. Here, we examined the involvement of autophagy in adipogenesis and explored the effects of icariin, a flavonoid isolated from the genus Epimedium with a wide range of biological and pharmacological effects, on autophagy and adipogenesis in 3T3-L1 preadipocytes and in a mouse model of GO...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28211089/icariin-promotes-mouse-hair-follicle-growth-by-increasing-insulin-like-growth-factor-1-expression-in-dermal-papillary-cells
#14
Y-S Su, Z-X Fan, S-E Xiao, B-J Lin, Y Miao, Z-Q Hu, H Liu
BACKGROUND: Icariin is a major flavonoid isolated from Epimedium spp. leaves (Epimedium Herba), and has multiple pharmacological functions, including anti-angiogenesis, anti-oxidant, anti-inflammatory and immunoprotective effects. AIM: To investigate whether icariin can stimulate growth of hair follicles in mice and the underlying mechanism. METHODS: In vitro, the effect of icariin on hair growth was assessed by using a vibrissae hair follicle (VHF) organ-culture model...
February 16, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28190476/neuroprotective-properties-of-icariin-in-mptp-induced-mouse-model-of-parkinson-s-disease-involvement-of-pi3k-akt-and-mek-erk-signaling-pathways
#15
Wen-Fang Chen, Lin Wu, Zhong-Rui Du, Lei Chen, Ai-Li Xu, Xiao-Han Chen, Ji-Jun Teng, Man-Sau Wong
BACKGROUND: Epimedium sagittatum is a traditional Chinese herb normally which is used to treat the osteoporosis, cardiovascular dysfunction, and to improve neurological and sexual function in China, Korea and Japan. Icariin is the major active ingredient in Epimedium sagittatum. In the present research, we examined the neuroprotective effects of icariin on dopaminergic neurons and the possible mechanisms in a mouse model of Parkinson's disease (PD). METHODS: Ovariectomized PD mice were treated with vehicle or icariin (3 days before MPTP injections) with or without the phosphatidylinositol 3-kinase (PI3K) inhibitor LY294002 or mitogen-activated protein kinase kinase (MEK) inhibitor PD98059...
February 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28177681/icariin-improves-enos-no-pathway-to-prohibit-the-atherogenesis-of-apolipoprotein-e-null-mice
#16
Hong-Bo Xiao, Guo-Guang Sui, Xiang-Yang Lu
Impaired endothelial nitric oxide synthesis (eNOS) / nitric oxide (NO) pahtway induce the atherogenesis. The present study examined whether icariin improves the eNOS / NO pathway to prohibit the atherogenesis of apolipoprotein E-null (ApoE-/-) mice. In vitro, primary human umbilical vein endothelial cells (HUVECs) were randomly divided into 7 groups: control, vehicle; icariin 10; LPC group; LPC + icariin 1; LPC + icariin 3; LPC + icariin 10. In vivo, 80 mice were separated randomly into four groups (n = 20): control, ApoE-/- , ApoE-/- + icariin 10, and ApoE-/- + icariin 30...
December 22, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28171848/icariin-prevents-hypertension-induced-cardiomyocyte-apoptosis-through-the-mitochondrial-apoptotic-pathway
#17
Zhi-Qiang Qian, Ying-Wan Wang, Ye-Li Li, Yi-Qi Li, Ling-Zhu, Dan-Li Yang
A prior study demonstrated that icariin (ICA) could repress angiotensin II-induced apoptosis in H9c2 cells. The activation of mitochondrial apoptotic pathways may play a crucial role in this phenomenon. In this study, we explored the potential protective roles of ICA in apoptosis in cardiomyocytes, cardiac remodelling, and the underlying mechanisms with regard to the mitochondrial apoptotic pathway in rats with spontaneous hypertension. The oral administration of ICA (20 and 40mg/kg/d) inhibited cardiomyocyte apoptosis and ameliorated left heart ventricle remodelling and abnormal mitochondria...
April 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28161197/icariin-enhances-remyelination-process-after-acute-demyelination-induced-by-cuprizone-exposure
#18
Yifan Zhang, Linlin Yin, Na Zheng, Li Zhang, Jianghong Liu, Weixiong Liang, Qi Wang
Pathology are still progressive and cumulative in the remission course of relapsing-remitting MS (RRMS), thus drug treatment during the remission period may play a great role for the regeneration of the myelin sheath. C57BL/6 mice were fed with cuprizone (CPZ, 0.2% w/w) for 5 weeks to induce acute demyelination and oligodendrocytes degeneration, after which CPZ was withdrawn to allow recovery. Icariin (ICA, 6.25, 12.5 and 25mg/kg/day), vehicle (0.5% sodium carboxymethyl cellulose solution) or water was administrated orally to mice for 1 week after CPZ withdrawal...
February 1, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28140748/the-effects-of-icariin-on-the-expression-of-hif-1%C3%AE-hsp-60-and-hsp-70-in-pc12-cells-suffered-from-oxygen-glucose-deprivation-induced-injury
#19
Zhen-Tao Mo, Wen-Na Li, Yu-Rong Zhai, Shu-Ying Gao
CONTEXT: The effects of icariin, a chief constituent of flavonoids from Epimedium brevicornum Maxim (Berberidaceae), on the levels of HIF-1α, HSP-60 and HSP-70 remain unknown. OBJECTIVE: To explore the effects of icariin on the levels of HSP-60, HIF-1α and HSP-70 neuron-specific enolase (NSE) and cell viability. MATERIALS AND METHODS: PC12 cells were treated with icariin (10(-7), 10(-6) or 10(-5 )mol/L) for 3 h (1 h before oxygen-glucose deprivation (OGD) plus 2 h OGD)...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28128406/an-experimental-study-on-the-use-of-icariin-for-improving-thickness-of-thin-endometrium
#20
A W Le, Z H Wang, X Y Dai, T H Xiao, R Zhuo, B Z Zhang, Z L Xiao, X J Fang
This study aimed to investigate the effect of icariin (ICA) on thin endometrium in a rat model. To this end, 6- to 8-week-old female Sprague Dawley rats (105) were randomly divided into 7 groups: untreated, vehicle-treated (lavage with NaCl), high-dose ICA (lavage with ICA at 200 mg∙kg(-1)∙day(-1)), medium-dose ICA (lavage ICA at 100 mg∙kg(-1)∙day(-1)), low-dose ICA (lavage with ICA at 50 mg∙kg(-1)∙day(-1)), sham model (injected with NaCl at uterus horn), and sample group. To induce thin endometrium, rats of all groups (except sham-model) were injected with 95% ethanol via the uterine horn...
January 23, 2017: Genetics and Molecular Research: GMR
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