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Epimedium

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https://www.readbyqxmd.com/read/28627460/polysaccharides-from-epimedium-koreanum-nakai-with-immunomodulatory-activity-and-inhibitory-effect-on-tumor-growth-in-llc-bearing-mice
#1
Chengcheng Wang, Liang Feng, Jiayan Su, Li Cui, Dan Liu, Jun Yan, Chuanlin Ding, Xiaobin Tan, Xiaobin Jia
ETHNOPHARMACOLOGICAL RELEVANCE: Epimedium koreanum Nakai is documented as tonic herbal in China for over a thousand years and has the potential to enhance the body's immunity according to the theory of traditional Chinese medicine. Polysaccharides are one of the most important effective compounds in Epimedium koreanum Nakai. Accumulating evidence indicated polysaccharides derived from traditional Chinese medicine have potent immune-enhancing properties and relatively nontoxic effects in cancer treatment...
June 13, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28620728/contents-of-heavy-metals-in-chinese-edible-herbs-evidence-from-a-case-study-of-epimedii-folium
#2
Xiao-Hua Yang, Hua-Feng Zhang, Li-Li Niu, Ying Wang, Jiang-Hua Lai
Toxic heavy metal contamination in Chinese edible herbs has raised a worldwide concern. In this study, heavy metals in Epimedii Folium, an edible medicinal plant in China, were quantitatively analyzed. Variations of heavy metals in different species, in various organs (i.e., leaves, stems, and roots), in wild-growing and cultivated plants, and in 35 market samples of Epimedii Folium, were systematically investigated. In all of Epimedium samples, Hg (mercury) was not detectable (0.00 μg/g). Four species, Epimedium pubescens, Epimedium sagittatum, Epimedium brevicornu, and Epimedium wushanense, were found to contain Cu (copper) and Pb (lead)...
June 16, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28619001/icariin-attenuates-interleukin-1%C3%AE-induced-inflammatory-response-in-human-nucleus-pulposus-cells
#3
Wen-Bin Hua, Yu-Kun Zhang, Xing-Huo Wu, Liang Kang, Ji Tu, Kang-Cheng Zhao, Shuai Li, Kun Wang, Yu Song, Rong-Jin Luo, Zeng-Wu Shao, Cao Yang
BACKGROUND: Low back pain is a common problem, mainly caused by intervertebral disc degeneration (IDD). An important pathophysiological characteristic of IDD is the loss of homeostatic balance of the extracellular matrix metabolism. Interleukin-1β (IL-1β) is one of the inflammatory mediators stimulating the degradation of extracellular matrix in the nucleus pulposus (NP) and contributing to IDD pathogenesis. Icariin, which is isolated from Epimedium brevicornum, acts as an anti-inflammatory drug...
June 15, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28608833/potential-of-icariin-metabolites-from-epimedium-koreanum-nakai-as-antidiabetic-therapeutic-agents
#4
Da Hye Kim, Hyun Ah Jung, Hee Sook Sohn, Jin Woong Kim, Jae Sue Choi
The therapeutic properties of Epimediumkoreanum are presumed to be due to the flavonoid component icariin, which has been reported to have broad pharmacological potential and has demonstrated anti-diabetic, anti-Alzheimer's disease, anti-tumor, and hepatoprotective activities. Considering these therapeutic properties of icariin, its deglycosylated icaritin and glycosylated flavonoids (icaeriside II, epimedin A, epimedin B, and epimedin C) were evaluated for their ability to inhibit protein tyrosine phosphatase 1B (PTP1B) and α-glucosidase...
June 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28560001/icariside-ii-induces-cell-cycle-arrest-and-apoptosis-in-human-glioblastoma-cells-through-suppressing-akt-activation-and-potentiating-foxo3a-activity
#5
Kai Quan, Xin Zhang, Kun Fan, Peixi Liu, Qi Yue, Bo Li, Jinfeng Wu, Baojun Liu, Yang Xu, Wei Hua, Wei Zhu
Glioblastoma multiforme (GBM) is the most common primary malignant brain tumor, and currently chemotherapeutic options for GBM are very limited. Given the poor prognosis, the development of novel anti-GBM agents is quite urgent. Using two human glioma cells (U87 and A172 cells), we demonstrated that Icariside II (ICA II), an active flavonoid compound derived from Epimedium koreanum, could inhibit GBM cell growth in a dose dependent manner. Wound healing data suggested that ICA II also inhibited the migration of human glioma cells...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28536643/icariin-prevents-h2o2-induced-apoptosis-via-the-pi3k-akt-pathway-in-rat-nucleus-pulposus-intervertebral-disc-cells
#6
Xiangyu Deng, Sheng Chen, Dong Zheng, Zengwu Shao, Hang Liang, Hongzhi Hu
Icariin is a prenylated flavonol glycoside derived from the Chinese herb Epimedium sagittatum. This study investigated the mechanism by which icariin prevents H2O2-induced apoptosis in rat nucleus pulposus (NP) cells. NP cells were isolated from the rat intervertebral disc and they were divided into five groups after 3 passages: (A) blank control; (B) 200 μM H2O2; (C) 200 μM H2O2 + 20 μM icariin; (D) 20 μM icariin + 200 μM H2O2 + 25 μM LY294002; (E) 200 μM H2O2 + 25 μM LY294002. LY294002 is a selective inhibitor of the phosphoinositide 3-kinase (PI3K)/Akt signaling pathway...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28529129/estrogen-receptor-%C3%AE-36-is-involved-in-icaritin-induced-growth-inhibition-of-triple-negative-breast-cancer-cells
#7
Xue Wang, Nan Zheng, Jing Dong, Xuming Wang, Lijiang Liu, Jian Huang
A sub-class of ER-negative breast cancer that is negative for ER, PR and HER2 expression known as triple-negative breast cancer (TNBC) is highly malignant and lacks effective treatment. Recently, it has been reported that an isoform of estrogen receptor-alpha ER-α36 is expressed and plays a critical role in development of TNBC. ER-α36 forms a positive regulatory loop with epidermal growth factor receptor (EGFR), which promotes malignant growth of TNBC cells. Thus, ER-α36 has been proposed as an important target for development of novel drugs for TNBC...
May 18, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28494419/neuroprotective-effects-of-total-flavonoid-fraction-of-the-epimedium-koreanum-nakai-extract-on-dopaminergic-neurons-in-vivo-and-in-vitro
#8
Lin Wu, Zhong-Rui Du, Ai-Li Xu, Zhen Yan, Hui-Hui Xiao, Man-Sau Wong, Xin-Sheng Yao, Wen-Fang Chen
Flavonoids, the active components of Epimedii Genus, have been demonstrated to protect against osteoporosis, cardiovascular diseases and rheumatoid arthritis. The present study aimed to investigate the neuroprotective effects of total flavonoid (TF) fraction of Epimedium koreanum Nakai on dopaminergic neurons in the cellular and mice models of Parkinson's disease (PD). TF pretreatment could ameliorate the decrease of striatal dopamine (DA) content and the loss of tyrosine hydroxylase (TH)-immunoreactive neurons in the substantia nigra pars compacta (SNpc) induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)...
July 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28454423/the-nutritional-herb-epimedium-grandiflorum-inhibits-the-growth-in-a-model-for-the-luminal-a-molecular-subtype-of-breast-cancer
#9
Nitin T Telang, Gou Li, Meena Katdare, Daniel W Sepkovic, H Leon Bradlow, George Y C Wong
The Luminal A subtype of breast cancer expresses the estrogen receptor (ER)-α and progesterone receptor (PR), but not the human epidermal growth factor receptor (HER)-2 oncogene. This subtype of breast cancer responds to endocrine therapy involving the use of selective estrogen receptor modulators and/or inhibitors of estrogen biosynthesis. However, these therapeutic agents are frequently associated with long-term systemic toxicity and acquired tumor resistance, emphasizing the need to identify non-toxic alternative treatments for chemo-endocrine therapy responsive breast cancer...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28414103/apoptosis-induction-of-poly-s-nitrosated-human-serum-albumin-in-resistant-solid-tumor-under-hypoxia-can-be-restored-by-phosphodiesterase-5-inhibition
#10
Mayumi Ikeda, Yu Ishima, Victor T G Chuang, Tsuyoshi Ikeda, Ryo Kinoshita, Hiroshi Watanabe, Tatsuhiro Ishida, Masaki Otagiri, Toru Maruyama
Poly-S-nitrosated human serum albumin (Poly-SNO-HSA) delivered and accumulated nitric oxide (NO) in tumors and induces apoptosis. Tumor hypoxia is strongly associated with malignant progression and tumor resistance to therapy. In this study, we examined the cytotoxic effect of Poly-SNO-HSA under hypoxia on the murine colon 26 adenocarcinoma (C26) cells in vitro and in vivo. Under hypoxia, at about 4 times LD50 dose of Poly-SNO-HSA in vitro, the reactive oxygen species production was hindered but apoptotic cells were induced via cGMP pathway as the effect was suppressed by a soluble guanylate cyclase inhibitor, NS2028...
April 13, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28382688/epimedii-herba-a-promising-herbal-medicine-for-neuroplasticity
#11
REVIEW
Jae-Heung Cho, Jae-Young Jung, Beom-Joon Lee, Kyungjin Lee, Jae-Woo Park, Youngmin Bu
Epimedii Herba (EH) is an herbal medicine originating from several plants of the genus Epimedium. It is a major therapeutic option for kidney yang deficiency syndrome, which is closely related to androgen hormones and also has been used to treat hemiplegia following a stroke in traditional medicine of Korea and PR China. To date, many clinical and basic researches of EH have shown the activities on functional recovery from brain diseases. Recently, neuroplasticity, which is the spontaneous reaction of the brain in response to diseases, has been shown to accelerate functional recovery...
June 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28370226/total-flavonoids-of-epimedium-reduce-ageing-related-oxidative-dna-damage-in-testis-of-rats-via-p53-dependent-pathway
#12
H Zhao, L Song, W Huang, J Liu, D Yuan, Y Wang, C Zhang
Increased DNA damage in testis is considered as a major factor for ageing-related dysfunction. Total flavonoids of Epimedium (TFE), the main active compositions of Epimedium, have been used to treat sexual dysfunction and delay ageing. However, whether TFE could improve ageing-related testicular dysfunction remains unknown. Therefore, we investigated the protection effects of TFE and its mechanisms of action in a naturally ageing rat model. Eighteen-month-old SD rats were randomised to receive either vehicle or TFE (10 and 20 mg/kg)...
March 30, 2017: Andrologia
https://www.readbyqxmd.com/read/28361161/steroids-in-traditional-chinese-medicine-what-is-the-evidence
#13
Foon Yin Fung, Yeh Ching Linn
Local healthcare providers often question the possible steroidal activity of traditional Chinese medicine (TCM) herbs or herbal products and implicate them as a cause for adrenal insufficiency or Cushing's syndrome in patients with a history of TCM intake. We conducted a comprehensive database search for evidence of potential glucocorticoid, mineralocorticoid, androgenic or oestrogenic activity of herbs or herbal products. Overall, there are not many herbs whose steroidal activity is well established; among these, most cases were based on preclinical studies...
March 2017: Singapore Medical Journal
https://www.readbyqxmd.com/read/28278623/anti-inflammatory-neolignans-from-epimedium-pseudowushanese
#14
Huihui Ti, Ping Wu, Liangxiong Xu, Xiaoyi Wei
One new 8-O-4' neolignan has been isolated from Epimedium pseudowushanese B. L. Guo, together with nine other known neolignans. The structures of these neolignans were elucidated using spectroscopic and chemical techniques, and their anti-inflammatory activities were also evaluated. The results of these experiments revealed that compound 6 was the most potent of the 10 different compounds tested in the current study, with a maximal inhibitory ratio of 79% for its in vitro anti-inflammatory activity towards lipopolysaccharide-induced tumour necrosis factor alpha secretion in RAW264...
March 2, 2017: Natural Product Research
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
#15
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
#16
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/28210222/icariside-ii-a-broad-spectrum-anti-cancer-agent-reverses-beta-amyloid-induced-cognitive-impairment-through-reducing-inflammation-and-apoptosis-in-rats
#17
Yuanyuan Deng, Long Long, Keke Wang, Jiayin Zhou, Lingrong Zeng, Lianzi He, Qihai Gong
Beta-amyloid (Aβ) deposition, associated neuronal apoptosis and neuroinflammation are considered as the important factors which lead to cognitive deficits in Alzheimer's disease (AD). Icariside II (ICS II), an active flavonoid compound derived from Epimedium brevicornum Maxim, has been extensively used to treat erectile dysfunction, osteoporosis and dementia in traditional Chinese medicine. Recently, ICS II attracts great interest due to its broad-spectrum anti-cancer property. ICS II shows an anti-inflammatory potential both in cancer treatment and cerebral ischemia-reperfusion...
2017: Frontiers in Pharmacology
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
#18
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/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/28122556/therapeutic-effects-of-qian-yu-decoction-and-its-three-extracts-on-carrageenan-induced-chronic-prostatitis-chronic-pelvic-pain-syndrome-in-rats
#20
Keda Zhang, Xiaobin Zeng, Yonggang Chen, Rong Zhao, Hui Wang, Jinhu Wu
BACKGROUND: Qian-Yu decoction (QYD) is a traditional Chinese medicinal recipe composed of Radix astragali (Astragalus membranaceus (Fisch.) Bunge var. mongholicus (Bunge) P.K. Hsiao, Fabaceae ), Herba epimedii (Epimedium brevicornum Maxim., Berberidaceae), Herba leonuri (Leonurus japonicus Houtt., Lamiaceae), Cortex phellodendri (Phellodendron chinense Schneid., Rutaceae) and Radix achyranthis bidentatae (Achyranthes bidentata Bl., Amaranthaceae). This study aimed to evaluate the therapeutic activity of QYD against carrageenan-induced chronic prostatic/chronic pelvic pain syndrome (CP/CPPS) in rats and further elucidate its effective components...
January 25, 2017: BMC Complementary and Alternative Medicine
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