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Icariin

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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
#1
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...
March 10, 2017: Andrology
https://www.readbyqxmd.com/read/28294371/icariin-improves-the-sexual-function-of-male-mice-through-the-pi3k-akt-enos-no-signalling-pathway
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/28122309/icariin-influences-adipogenic-differentiation-of-stem-cells-affected-by-osteoblast-osteoclast-co-culture-and-clinical-research-adipogenic
#13
Shuncong Zhang, Pengbo Feng, Guoye Mo, Daxing Li, Yongxian Li, Ling Mo, Zhidong Yang, De Liang
OBJECTIVE: To build mouse osteoblast MC3T3-E1 and mouse osteoclast RAW264.7 co-culture system and to study the effect of icariin on the activity of osteoblasts and osteoclasts in the co-culture system. METHODS: In vitro acquisition and cultivation of mouse osteoblasts MC3T3-E1 and mouse RAW264.7 cells were conducted. Osteoblast and osteoclast activities of cells were detected by CCK-8 staining experiment, alizarin red staining and tartaric-resistant acid phosphatase (TRAP) staining...
April 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28122303/icariin-promotes-proliferation-and-osteogenic-differentiation-of-rat-adipose-derived-stem-cells-by-activating-the-rhoa-taz-signaling-pathway
#14
Yaping Ye, Xingzhi Jing, Na Li, Yingxing Wu, Bingbing Li, Tao Xu
Icariin, the main active flavonoid glucoside isolated from Herba epimedii, has been demonstrated to be a potential alternative therapy to prevent postmenopausal osteoporosis. Icariin has also been shown to regulate the proliferation and osteogenic differentiation of rat bone marrow stromal cells (rBMSCs). However, the detailed molecular mechanism of icariin has remained largely unknown. Besides, no investigation has focused on the relevance of icariin in the regulation of rat adipose-derived stem cells (rASCs) proliferation and osteogenic differentiation...
April 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28116543/icariin-combined-with-human-umbilical-cord-mesenchymal-stem-cells-significantly-improve-the-impaired-kidney-function-in-chronic-renal-failure
#15
Wen Li, Li Wang, Xiaoqian Chu, Huantian Cui, Yuhong Bian
At present, the main therapy for chronic renal failure (CRF) is dialysis and renal transplantation, but neither obtains satisfactory results. Human umbilical cord mesenchymal stem cells (huMSCs) are isolated from the fetal umbilical cord which has a high self-renewal and multi-directional differentiation potential. Icariin (ICA), a kidney-tonifying Chinese Medicine can enhance the multipotency of huMSCs. Therefore, this work seeks to employ the use of ICA-treated huMSCs for the treatment of chronic renal failure...
January 23, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28097088/icariin-ameliorates-iga-nephropathy-by-inhibition-of-nuclear-factor-kappa-b-nlrp3-pathway
#16
Lei Zhang, Xing-Zhi Wang, Yu-Shu Li, Lei Zhang, Li-Rong Hao
Immunoglobulin A nephropathy (IgAN) is the most frequent form of glomerulonephritis, which is characterized by glomerular proliferation and renal inflammation. Icariin is a flavonoid from the Chinese herb Epimedium, and its anti-inflammatory effect has been reported. This study aimed to investigate the effects of icariin on the renal damage in IgAN rats and the mechanisms behind these effects. IgAN model was established in Sprague-Dawley rats by oral and intravenous immunization with bovine gamma-globulin for 12 weeks, and rats were treated with icariin from 12 to 18 weeks...
January 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/27990569/icariin-treated-human-umbilical-cord-mesenchymal-stem-cells-decrease-chronic-liver-injury-in-mice
#17
Huantian Cui, Zhen Liu, Li Wang, Yuhong Bian, Wen Li, Huifang Zhou, Xiaoqian Chu, Qingyun Zhao
Human umbilical cord mesenchymal stem cells (hUMSCs) have been shown to have multiple differentiation potentials. However, a key problem is that only a small number of hUMSCs can migrate to damaged tissue after transplantation. According to "The Theory of Kidney Essence" in Traditional Chinese Medicine, some traditional Chinese medicines used for tonifying the kidneys can be applied in promoting the differentiation and migration of stem cells in vivo. Our previous study demonstrated that icariin (ICA) could up-regulate the pluripotent genes of hUMSCs in vitro and induce cell migration in mice in an acute kidney injury model in vivo...
February 2017: Cytotechnology
https://www.readbyqxmd.com/read/27987707/controlled-delivery-of-icariin-on-small-intestine-submucosa-for-bone-tissue-engineering
#18
Mei Li, Qiaoqiao Gu, Mengjie Chen, Chi Zhang, Songdi Chen, Jiyuan Zhao
Small intestine submucosa (SIS) has been reported as an excellent biomaterial for tissue engineering because of its naturally occurring collagenous extracellular matrix property with growth factors. However, SIS from submucosal layer of intestine provides different microenvironment from bone tissue, which limits its application to bone regeneration. The object of this study was to improve osteoinductivity of SIS by controlled local delivery of icariin (Ic), a potent osteogenic compound. Sustained release of icariin from SIS scaffold was achieved for >30days and the loading of icariin on SIS scaffold was uniform as scanned by SEM...
February 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27927057/treatment-effect-of-a-flavonoid-prescription-on-duck-virus-hepatitis-by-its-hepatoprotective-and-antioxidative-ability
#19
Yun Chen, Ling Zeng, Yu Lu, Yulan Yang, Meiyun Xu, Yixuan Wang, Jiaguo Liu
CONTEXT: Duck virus hepatitis (DVH) caused by duck hepatitis A virus type 1 (DHAV-1) is an acute and lethal disease of young ducklings. However, there is still no effective drug to treat DVH. OBJECTIVE: This study assessed the curative effect on DVH of a flavonoid prescription baicalin-linarin-icariin-notoginsenoside R1 (BLIN) as well as the hepatoprotective and antioxidative effects of BLIN. MATERIALS AND METHODS: MTT method was used to test the anti-DHAV-1 ability of BLIN in vitro...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/27909730/a-sensitive-and-specific-indirect-competitive-enzyme%C3%A2-linked-immunosorbent-assay-for-the-detection-of-icariin
#20
Jinjun Cheng, Yue Zhang, Shuchen Liu, Baoping Qu, Meiling Zhang, Xiaoman Liu, Yan Zhao, Huihua Qu
In the present study, a novel monoclonal antibody (MAb) specific for icariin (ICA) was prepared and characterized. A hybridoma‑secreting MAb against icariin was produced by fusing splenocytes immunized with an ICA‑bovine serum albumin conjugate with a hypoxanthine‑aminopterin‑thymidine‑sensitive mouse myeloma SP2/0 cell line. The antibody showed high specificity for ICA with almost no cross‑reactivity against the majority of structurally‑related chemicals. Subsequently, an indirect competitive enzyme‑linked immunosorbent assay (ELISA) for ICA was established and characterized...
January 2017: Molecular Medicine Reports
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