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https://www.readbyqxmd.com/read/28210201/therapeutic-effect-of-astragalus-polysaccharides-on-hepatocellular-carcinoma-h22-bearing-mice
#1
Xiaoyu Lai, Weibiao Xia, Jing Wei, Xinghong Ding
The purpose of this study was to investigate the effect of astragalus polysaccharides (APSs), active constituents of astragalus, in the treatment of hepatocellular carcinoma (HCC) and their potential as a promising candidate for future anticancer drug development. Astragalus polysaccharide was administered at different doses to HCC H22-bearing mice to investigate their antitumor effects. Results revealed that APS inhibited the growth of H22 cells with a tumor inhibition rate in the APS 400 mg·kg(-1) group of 59...
January 2017: Dose-response: a Publication of International Hormesis Society
https://www.readbyqxmd.com/read/28209394/ensifer-shofinae-sp-nov-a-novel-rhizobial-species-isolated-from-root-nodules-of-soybean-glycine-max
#2
Wen Hao Chen, Sheng Hui Yang, Zhao Hu Li, Xiao Xia Zhang, Xin Hua Sui, En Tao Wang, Wen Xin Chen, Wen Feng Chen
Two bacterial strains isolated from root nodules of soybean were characterized phylogenetically as members of a distinct group in the genus Ensifer based on 16S rRNA gene comparisons. They were also verified as a separated group by the concatenated sequence analyses of recA, atpD and glnII (with similarities ≤93.9% to the type strains for defined species), and by the average nucleotide identities (ANI) between the whole genome sequence of the representative strain CCBAU 251167(T) and those of the closely related strains in Ensifer glycinis and Ensifer fredii (90...
February 2, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28188801/astragalus-polysaccharides-protect-against-dextran-sulfate-sodium-induced-colitis-by-inhibiting-nf-%C3%AE%C2%BA%C3%B0-activation
#3
Jun Lv, Yahong Zhang, Zhiqiang Tian, Fang Liu, Ying Shi, Yao Liu, Peiyuan Xia
Astragalus polysaccharide (APS) is a bioactive extract of Astragalus membranaceus (AM), which possess a wide range of medicinal benefits, including anti-inflammatory, anti-oxidative, anti-tumor and anti-diabetic effects. The present work evaluated the therapeutic effect of APS and its potential mechanisms in a mouse model of dextran sulfate sodium (DSS)-induced colitis. The APS treatment led to significant improvements in colitis disease activity index (DAI) and histological scores, as well as significantly increased weight and colon length in mice as compared to the control group...
February 7, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28164139/dietary-supplementation-of-astragalus-polysaccharides-enhanced-immune-components-and-growth-factors-egf-and-igf-1-in-sow-colostrum
#4
Lunbo Tan, Ting Wei, Anwen Yuan, Jun He, Jinhui Liu, Daojun Xu, Qing Yang
Colostrum is the main external resource providing piglets with nutrients and maternal immune molecules. Astragalus polysaccharides (APS) have been used as immunopotentiators in vitro and several animal models. This study aimed to determine the effects of APS on immune factors in sow colostrum and milk. The sow diet was supplemented with APS one week before the expected delivery date. Colostrum and milk were collected and designated as 0 h- (onset of parturition), 12 h-, and 24 h-colostrum and 36 h-milk postpartum...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28163960/screening-for-antibacterial-and-antibiofilm-activities-in-astragalus-angulosus
#5
Hussein Kanaan, Majid El-Mestrah, Alaa Sweidan, Falah As-Sadi, Ali Al Bazzal, Ali Chokr
AIM: In a search for finding novel therapeutic agents, extracts from an endemic Lebanese plant, Astragalus angulosus, were evaluated for their potential in-vitro antibacterial and antibiofilm activities against three Gram-positive bacterial strains; Staphylococcus epidermidis (CIP444), Staphylococcus aureus (ATCC25923), and Enterococcus faecalis (ATCC29212); in addition to two Gram-negative strains, Escherichia coli (ATCC35218) and Pseudomonas aeruginosa (ATCC27853). MATERIALS AND METHODS: The plant was collected in April of 2013 and divided into several different portions, then its extracts were obtained by maceration using two different solvents...
January 2017: Journal of Intercultural Ethnopharmacology
https://www.readbyqxmd.com/read/28155255/a-screen-for-swainsonine-in-select-north-american-astragalus-species
#6
Daniel Cook, Dale R Gardner, James A Pfister, Stephen T Lee, Kevin D Welch, Stanley L Welsh
Swainsonine is found in several plant species worldwide, and causes severe toxicosis in livestock grazing these plants, leading to a chronic condition characterized by weight loss, altered behavior, depression, decreased libido, infertility, and death. Swainsonine has been detected in 13 North American Astragalus species of which eight belong to taxa in four taxonomic sections, the Densifolii, Diphysi, Inflati, and Trichopodi. These sections belong to two larger groups representing several morphologically related species, the Pacific Piptolobi and the small-flowered Piptolobi...
February 2, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28150820/astragaloside-iv-ameliorates-2-4-6-trinitrobenzene-sulfonic-acid-tnbs-induced-colitis-implicating-regulation-of-energy-metabolism
#7
Xu-Guang Jiang, Kai Sun, Yu-Ying Liu, Li Yan, Ming-Xia Wang, Jing-Yu Fan, Hong-Na Mu, Chong Li, Yuan-Yuan Chen, Chuan-She Wang, Jing-Yan Han
Dysfunction of energy metabolism is involved in inflammatory bowel disease (IBD). This study was designed to investigate the potential of astragaloside IV (ASIV), an active ingredient of Radix Astragalus, to ameliorate colonic mucosal injury, with focusing on the implication of energy restoration in the underlying mechanism. Experimental colitis model was established in rats by injecting 2,4,6-trinitrobenzene sulfonic acid (TNBS) through anus. After 24 hours, ASIV was administrated once daily by gavage for 6 days...
February 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28139929/chlorinated-dehydrocurvularins-and-alterperylenepoxide-a-from-alternaria-sp-ast0039-a-fungal-endophyte-of-astragalus-lentiginosus
#8
Bharat P Bashyal, E M Kithsiri Wijeratne, Joseph Tillotson, A Elizabeth Arnold, Eli Chapman, A A Leslie Gunatilaka
Investigation of Alternaria sp. AST0039, an endophytic fungus obtained from the leaf tissue of Astragalus lentiginosus, led to the isolation of (-)-(10E,15S)-4,6-dichloro-10(11)-dehydrocurvularin (1), (-)-(10E,15S)-6-chloro-10(11)-dehydrocurvularin (2), (-)-(10E,15S)-10(11)-dehydrocurvularin (3), and alterperylenepoxide A (4) together with scytalone and α-acetylorcinol. Structures of 1 and 4 were established from their spectroscopic data, and the relative configuration of 4 was determined with the help of nuclear Overhauser effect difference data...
January 31, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28139790/formononetin-inhibits-human-bladder-cancer-cell-proliferation-and-invasiveness-via-regulation-of-mir-21-and-pten
#9
Yiying Wu, Xing Zhang, Zhengzhao Li, Haibiao Yan, Jian Qin, Tianyu Li
The isoflavone formononetin is the main active component of Astragalus membranaceus and possesses anti-tumorigenic properties. However, the role of formononetin in human bladder cancer (BCa) has not been fully elucidated. The aim of the present study was to investigate the anti-tumor effects of formononetin on BCa cells and its potential molecular mechanism. T24 cells were treated with different concentrations of formononetin, and then the cell proliferation was assessed by MTT assay, cell apoptosis by Hoechst 33258 stain assay, cell invasiveness by transwell invasion assay, microRNA-21 (miR-21) expression by real-time PCR and the protein level of phosphatase and tensin homolog (PTEN) and phosphorylated homolog of Akt (p-Akt) by western blotting...
January 31, 2017: Food & Function
https://www.readbyqxmd.com/read/28126039/rhizobium-arenae-sp-nov-isolated-from-the-sand-of-desert-mu-us-china
#10
Shengnan Zhang, Shanshan Yang, Wei Chen, Yong Chen, Mingjuan Zhang, Xinai Zhou, Guohua Fan, Fu Ying Feng
A Gram-strain-negative, rod-shaped, motile bacterium, designated MIM27T, was isolated from the sand of Desert Mu Us, China. The strain could grow at 4-45 °C (optimum, 37 °C), at pH 6.5-9.0 (optimum, 8.0) and in the presence of 0-3 % (w/v) NaCl (optimum, 0 %). Phylogenetic analysis on 16S rRNA gene sequence demonstrated that the strain was belonged to the genus Rhizobium, with the highest similarity (96.5 %) to Rhizobium pakistanensis BN-19T. Analysis of nitrogen fixation gene nifH and three housekeeping gene sequences of recA, atpD and glnII were also showed that strain MIM27T was mostly related to the recognized species of the genus Rhizobium but the similarities were low ( 90...
January 23, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28124680/chemosensitizing-effect-of-astragalus-polysaccharides-on-nasopharyngeal-carcinoma-cells-by-inducing-apoptosis-and-modulating-expression-of-bax-bcl-2-ratio-and-caspases
#11
Zhen Zhou, Minhua Meng, Haifeng Ni
BACKGROUND Platinum-based chemotherapy is the most effective regimen for nasopharyngeal carcinoma, which presents highly invasive and metastatic activity. However, the dose-related toxicity of chemotherapy agents limits the dose administration. Astragalus polysaccharide (APS) is the major active ingredient extracted from Chinese herb Radix Astragali and is proven to be active against carcinomas. We aimed to assess the chemosensitizing effects of Astragalus polysaccharides on nasopharyngeal carcinoma in vitro and in vivo and to explore the underlying mechanism...
January 26, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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
#12
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
https://www.readbyqxmd.com/read/28115285/luhong-formula-inhibits-myocardial-fibrosis-in-a-paracrine-manner-by-activating-the-gp130-jak2-stat3-pathway-in-cardiomyocytes
#13
Huiyan Qu, Yong Wang, Yingjie Wang, Tao Yang, Zhou Feng, Yang Qu, Hua Zhou
ETHNOPHARMACOLOGICAL RELEVANCE: Luhong formula (LHF)-a traditional Chinese medicine containing Cervus nippon Temminck,Carthamus tinctorius L., Cinnamomum cassia Presl,Codonopisis pilosula( Franch.) Nannf., Astragalus membranaceus ( Fisch.) Bge. var. mongholicus ( Bge.) Hsiao, Lepidium apetalum Willd-is used in the treatment of heart failure. AIM OF THE STUDY: To investigate the antifibrotic efficacy of LHF in a myocardial infarction-induced rat model of heart failure and to determine its mechanism of action...
January 20, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28092862/protective-effects-of-total-flavonoids-of-astragalus-against-adjuvant-induced-arthritis-in-rats-by-regulating-opg-rankl-nf-%C3%AE%C2%BAb-pathway
#14
Xin-Yu Liu, Lu Xu, Ying Wang, Jin-Xia Li, Yu Zhang, Chong Zhang, Sha-Sha Wang, Xue-Mei Zhang
BACKGROUND: Astragalus membranaceus Bunge is one of the oldest and most frequently used crude herbs in traditional Chinese medicine. The total flavonoids of Astragalus (TFA) are the main active components isolated from Astragalus membranaceus Bunge. Our recent study has shown its potential immunomodulatory and anti-inflammatory effects in vivo and in vitro. However, its anti-arthritic effects and mechanisms of action involved have not been elucidated. The aim of this study was to evaluate the protective effects and possible mechanisms of TFA on Freund's complete adjuvant (FCA)-induced arthritis in rats...
January 13, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28090278/isolation-and-identification-of-phyllospheric-bacteria-possessing-antimicrobial-activity-from-astragalus-obtusifolius-prosopis-juliflora-xanthium-strumarium-and-hippocrepis-unisiliqousa
#15
Zohreh Mazinani, Marzieh Zamani, Soroush Sardari
BACKGROUND: The widespread utilization of antimicrobial compounds has caused emergence of resistant microorganisms in the world. Hence, the research to probe the products with antimicrobial features has led to finding natural habitats and discovering new pharmaceutical products. METHODS: In this study, an attempt was made to explore the niche of novel habitat to isolate pyllospheric bacteria from the above ground parts (stems and leaves) of Astragalus obtusifolius, Prosopis juliflora, Xanthium strumarium, and Hippocrepis unisiliqousa to evaluate their antimicrobial features...
January 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28071725/astragalus-polysaccharides-attenuate-pcv2-infection-by-inhibiting-endoplasmic-reticulum-stress-in-vivo-and-in-vitro
#16
Hongxia Xue, Fang Gan, Gang Qian, Junfa Hu, Shu Hao, Jing Xu, Xingxiang Chen, Kehe Huang
This study explored the effects of Astragalus polysaccharide (APS) on porcine circovirus type 2 (PCV2) infections and its mechanism in vivo and vitro. First, fifty 2-week-old mice were randomly divided into five groups: a group without PCV2 infection and groups with PCV2 infections at 0, 100, 200 or 400 mg/kg APS treatments. The trial lasted for 28 days. The results showed that APS treatments at 200 and 400 mg/kg reduced the pathological injury of tissues, inhibited PCV2 infection and decreased glucose-regulated protein 78 (GRP78) and GADD153/CHOP gene mRNA and protein expression significantly (P < 0...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28054553/effect-of-dietary-astragalus-polysaccharide-supplements-on-testicular-mirna-expression-profiles-and-enzymatic-changes-of-breeder-cocks
#17
Shengru Wu, Xiaochun Ren, Yulong Li, Wei Guo, Xinyu Lei, Junhu Yao, Xiaojun Yang
Astragalus Polysaccharide (APS) is an important feed additive due to its immunomodulatory functions. Previous studies have proven that miRNAs play important roles in posttranscriptional gene regulation. Our goals were to identify differentially expressed miRNAs in testes in responses to APS dietary supplements and to find the effects of APS on breeder cock testes. We measured several enzymatic activities in testes and sperm samples and further generated miRNA expression profiles of testes from breeder cocks fed with control diets and extra APS...
January 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28011393/astragaloside-iv-attenuates-cognitive-impairments-induced-by-transient-cerebral-ischemia-and-reperfusion-in-mice-via-anti-inflammatory-mechanisms
#18
Min Li, Hongyan Li, Fang Fang, Xueyang Deng, Shiping Ma
Astragaloside IV (AS-IV) is the main active component isolated from the traditional Chinese medicinal herb Astragalus membranaceus. Studies have demonstrated that AS-IV has neuroprotective effects in cerebral ischemic models. In this study, we aimed to investigate the effects of AS-IV on memory impairment induced by transient cerebral ischemia and reperfusion in mice, as well as the associated signaling mechanisms. Severe memory deficits were induced by bilateral common carotid artery occlusion (BCCAO) in mice as indicated in the Morris water maze test in this study...
February 3, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28002602/effect-of-astragalus-polysaccharides-on-ovariectomy-induced-osteoporosis-in-mice
#19
J Huo, X Sun
Postmenopausal osteoporosis, a common type of osteoporosis in women, has become a serious public health issue. Astragalus polysaccharides (APS), possessing various pharmacological activities, are the active ingredients of Radix Astragali. It can be advantageous in the treatment of postmenopausal osteoporosis. In the present study, we evaluated the potential therapeutic effects of APS on postmenopausal osteoporosis by using a mice model induced by ovariectomy (OVX). Forty-eight female 6-week-old outbred ICR mice were randomly divided into six groups (N = 8): Sham group, OVX group, 17 β-estradiol (E2, 0...
December 19, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27960166/astragaloside-iv-enhances-cisplatin-chemosensitivity-in-non-small-cell-lung-cancer-cells-through-inhibition-of-b7-h3
#20
Cheng-Shi He, Yi-Cheng Liu, Zhi-Peng Xu, Peng-Chen Dai, Xiao-Wei Chen, De-Hai Jin
BACKGROUND: Chemoresistance is a major obstacle to successful chemotherapy for human non-small cell lung cancer (NSCLC). Astragaloside IV, the component of Astragalus membranaceus, has been reported to exhibit anti-inflammation, anti-cancer and immunoregulatory properties. In the present study, we investigated the role of astragaloside IV in the chemoresistance to cisplatin in NSCLC cells. METHODS: We established astragaloside IV-suppressed NSCLC cell lines including A549, HCC827, and NCI-H1299 and evaluated their sensitivity to cisplatin in vitro...
2016: Cellular Physiology and Biochemistry
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