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https://www.readbyqxmd.com/read/27589716/extracts-from-traditional-chinese-medicinal-plants-inhibit-acetylcholinesterase-a-known-alzheimer-s-disease-target
#1
Dorothea Kaufmann, Anudeep Kaur Dogra, Ahmad Tahrani, Florian Herrmann, Michael Wink
Inhibition of acetylcholinesterase (AChE) is a common treatment for early stages of the most general form of dementia, Alzheimer's Disease (AD). In this study, methanol, dichloromethane and aqueous crude extracts from 80 Traditional Chinese Medical (TCM) plants were tested for their in vitro anti-acetylcholinesterase activity based on Ellman's colorimetric assay. All three extracts of Berberis bealei (formerly Mahonia bealei), Coptis chinensis and Phellodendron chinense, which contain numerous isoquinoline alkaloids, substantially inhibited AChE...
2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27190261/isotetrandrine-ameliorates-tert-butyl-hydroperoxide-induced-oxidative-stress-through-upregulation-of-heme-oxygenase-1-expression
#2
Lidong Wang, Xinxin Ci, Hongming Lv, Xiaosong Wang, F Xiaofeng Qin, Genhong Cheng
1R, 1'S-isotetrandrine, a naturally occurring plant alkaloid found in Mahonia of Berberidaceae, possesses anti-inflammatory, antibacterial, and antiviral properties, but the antioxidative activity and mechanism action remain unclear. In this study, we demonstrated the antioxidative effect and mechanism of 1R, 1'S-isotetrandrine against tert-butyl hydroperoxide-induced oxidative damage in HepG2 cells. We found that 1R, 1'S-isotetrandrine suppressed cytotoxicity, reactive oxygen species generation, and glutathione depletion...
August 2016: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27175745/palmatine-from-mahonia-bealei-attenuates-gut-tumorigenesis-in-apcmin-mice-via-inhibition-of-inflammatory-cytokines
#3
Wei-Kun Ma, Hui Li, Cui-Lan Dong, Xin He, Chang-Run Guo, Chun-Feng Zhang, Chun-Hao Yu, Chong-Zhi Wang, Chun-Su Yuan
Mahonia bealei is a Chinese folk medicine used to treat various ailments, in particular gastrointestinal inflammation‑related illnesses, and palmatine is one of its active constituents. In this study, ApcMin/+ mice, a genetically engineered model, were used to investigate the effects of palmatine on the initiation and progression of gut inflammation and tumorigenesis enhanced by a high‑fat diet. The in vitro antiproliferation and anti‑inflammation effects of palmatine were evaluated on HT‑29 and SW‑480 human colorectal cancer cell lines...
July 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27167461/the-dichloromethane-fraction-from-mahonia-bealei-fort-carr-leaves-exerts-an-anti-inflammatory-effect-both-in-vitro-and-in-vivo
#4
Weicheng Hu, Lei Wu, Qian Qiang, Lilian Ji, Xinfeng Wang, Haiqing Luo, Haifeng Wu, Yunyao Jiang, Gongcheng Wang, Ting Shen
ETHNOPHARMACOLOGICAL RELEVANCE: Mahonia bealei has a long history of medical use in traditional Chinese medicine for the treatment of inflammatory-associated diseases. Despite numerous phytochemical and pharmacological studies, there is a lack of systematic studies to understand the cellular and molecular mechanisms of the anti-inflammatory activity of this plant. AIM OF STUDY: This study aimed to evaluate the anti-inflammatory activity of the dichloromethane fraction from M...
July 21, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27064690/isotetrandrine-reduces-astrocyte-cytotoxicity-in-neuromyelitis-optica-by-blocking-the-binding-of-nmo-igg-to-aquaporin-4
#5
Meiyan Sun, Jie Wang, Yue Zhou, Zijian Wang, Yong Jiang, Miao Li
OBJECTIVE: Neuromyelitis optica (NMO) is a severe neurological demyelinating autoimmune disease that affects the optic nerves and spinal cord with no cure and no FDA-approved therapy. Research over the last decade revealed that the binding of NMO-IgG to the water channel protein astrocyte aquaporin 4 (AQP4) might be the primary cause of NMO pathogenesis. The purpose of this study was to identify potential blockers of NMO-IgG and AQP4 binding. METHODS: We developed a two-step screening platform consisting of a reporter cell-based high-throughput screen assay and a cell viability-based assay...
2016: Neuroimmunomodulation
https://www.readbyqxmd.com/read/26724406/phylogenomic-and-structural-analyses-of-18-complete-plastomes-across-nearly-all-families-of-early-diverging-eudicots-including-an-angiosperm-wide-analysis-of-ir-gene-content-evolution
#6
Yanxia Sun, Michael J Moore, Shoujun Zhang, Pamela S Soltis, Douglas E Soltis, Tingting Zhao, Aiping Meng, Xiaodong Li, Jianqiang Li, Hengchang Wang
The grade of early-diverging eudicots includes five major lineages: Ranunculales, Trochodendrales, Buxales, Proteales and Sabiaceae. To examine the evolution of plastome structure in early-diverging eudicots, we determined the complete plastome sequences of eight previously unsequenced early-diverging eudicot taxa, Pachysandra terminalis (Buxaceae), Meliosma aff. cuneifolia (Sabiaceae), Sabia yunnanensis (Sabiaceae), Epimedium sagittatum (Berberidaceae), Euptelea pleiosperma (Eupteleaceae), Akebia trifoliata (Lardizabalaceae), Stephania japonica (Menispermaceae) and Papaver somniferum (Papaveraceae), and compared them to previously published plastomes of the early-diverging eudicots Buxus, Tetracentron, Trochodendron, Nelumbo, Platanus, Nandina, Megaleranthis, Ranunculus, Mahonia and Macadamia...
March 2016: Molecular Phylogenetics and Evolution
https://www.readbyqxmd.com/read/26691316/the-oldest-mahonia-berberidaceae-fossil-from-east-asia-and-its-biogeographic-implications
#7
Jian Huang, Tao Su, Julie Lebereton-Anberrée, Shi-Tao Zhang, Zhe-Kun Zhou
Interpretation of the biogeography of the genus Mahonia (Berberidaceae) is limited by the lack of fossil records in East Asia. Compressed fossil foliage, described here as Mahonia mioasiatica sp. nov., were collected from the Upper Miocene Xiaolongtan Formation in Wenshan, Yunnan, southwest China. These specimens represent the oldest reliable fossil record of Mahonia in East Asia. This new fossil species shows a general similarity to Group Orientales and is most similar to the extant eastern Asian Mahonia conferta...
March 2016: Journal of Plant Research
https://www.readbyqxmd.com/read/26507271/whole-plant-allocation-to-storage-and-defense-in-juveniles-of-related-evergreen-and-deciduous-shrub-species
#8
T P Wyka, P Karolewski, R Żytkowiak, P Chmielarz, J Oleksyn
In evergreen plants, old leaves may contribute photosynthate to initiation of shoot growth in the spring. They might also function as storage sites for carbohydrates and nitrogen (N). We hence hypothesized that whole-plant allocation of carbohydrates and N to storage in stems and roots may be lower in evergreen than in deciduous species. We selected three species pairs consisting of an evergreen and a related deciduous species: Mahonia aquifolium (Pursh) Nutt. and Berberis vulgaris L. (Berberidaceae), Prunus laurocerasus L...
May 2016: Tree Physiology
https://www.readbyqxmd.com/read/26387740/the-medicinal-uses-of-the-genus-mahonia-in-traditional-chinese-medicine-an-ethnopharmacological-phytochemical-and-pharmacological-review
#9
REVIEW
Jian-Ming He, Qing Mu
ETHNOPHARMACOLOGICAL RELEVANCE: Plants of the genus Mahonia Nuttall (Berberidaceae) have a long history of medical use in Traditional Chinese Medicine (TCM) for the treatment of a wide range of health disorders, such as tuberculosis, periodontitis, dysentery, pharyngolaryngitis, eczema, and wounds. In the theory of TCM, most Mahonia species exert the effects of relieving internal heat, eliminating dampness, removing toxins, suppressing pain, promoting blood circulation, inhibiting cough and alleviating inflammation...
December 4, 2015: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/26298606/a-series-of-strategies-for-solving-the-shortage-of-reference-standards-for-multi-components-determination-of-traditional-chinese-medicine-mahoniae-caulis-as-a-case
#10
Wenguang Wang, Xiaoli Ma, Xiaoyu Guo, Mingbo Zhao, Pengfei Tu, Yong Jiang
In order to solve the bottleneck of reference standards shortage for comprehensive quality control of traditional Chinese medicines (TCMs), a series of strategies, including one single reference standard to determine multi-compounds (SSDMC), quantitative analysis by standardized reference extract (QASRE), and quantitative nuclear magnetic resonance spectroscopy (qNMR) were proposed, and Mahoniae Caulis was selected as an example to develop and validate these methods for simultaneous determination of four alkaloids, columbamine, jatrorrhizine, palmatine, and berberine...
September 18, 2015: Journal of Chromatography. A
https://www.readbyqxmd.com/read/26186257/endophytic-diaporthe-sp-lg23-produces-a-potent-antibacterial-tetracyclic-triterpenoid
#11
Gang Li, Souvik Kusari, Parijat Kusari, Oliver Kayser, Michael Spiteller
A new lanostanoid, 19-nor-lanosta-5(10),6,8,24-tetraene-1α,3β,12β,22S-tetraol (1), characterized by the presence of an aromatic B ring and hydroxylated at C-1, C-3, C-12, and C-22, was isolated from an endophytic fungus, Diaporthe sp. LG23, inhabiting leaves of the Chinese medicinal plant Mahonia fortunei. Six biosynthetically related known steroids were also isolated in parallel. Their structures were confirmed on the basis of detailed spectroscopic analysis in conjunction with the published data. Compound 1, an unusual fungus-derived 19-nor-lanostane tetracyclic triterpenoid with an aromatic B-ring system, exhibited pronounced antibacterial efficacy against both Gram-positive and -negative bacteria, especially the clinical isolates of Streptococcus pyogenes and Pseudomonas aeruginosa as well as a human pathogenic strain of Staphylococcus aureus...
August 28, 2015: Journal of Natural Products
https://www.readbyqxmd.com/read/25917158/organ-specific-analysis-of-mahonia-using-gel-free-label-free-proteomic-technique
#12
Wei Zhu, Jin Hu, Xin Wang, Jingkui Tian, Setsuko Komatsu
Mahonia is an important medicinal plant used for the treatment of human diseases. To explore the molecular mechanisms underlying the different pharmacological functions of Mahonia, organ-specific proteomics was performed. Protein profiles of leaves, stems, and roots from 2-year-old Mahonia plants were determined using gel-free/label-free proteomic technique, and totals of 304, 314, and 182 proteins were identified, respectively, and included 36 common proteins. In leaves, the most abundant proteins related to photosynthesis...
June 5, 2015: Journal of Proteome Research
https://www.readbyqxmd.com/read/25904522/complementary-and-alternative-medicine-for-psoriasis-what-the-dermatologist-needs-to-know
#13
REVIEW
Whitney Talbott, Nana Duffy
Complementary and alternative medicine (CAM) use is common among patients with psoriasis. CAM modalities include traditional Chinese medicine (TCM), herbal therapies, dietary supplements, climatotherapy, and mind/body interventions. In this review, evidence from clinical trials investigating the efficacy of CAM for psoriasis is reviewed. There is a large amount of evidence from controlled trials that have shown that the combination of TCM with traditional therapies for psoriasis is more efficacious than traditional therapies alone...
June 2015: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/25784476/smilax-smilacaceae-from-the-miocene-of-western-eurasia-with-caribbean-biogeographic-affinities
#14
Thomas Denk, Dimitrios Velitzelos, H Tuncay Güner, Lilian Ferrufino-Acosta
UNLABELLED:PREMISE OF THE STUDY: Recent molecular studies provide a phylogenetic framework and some dated nodes for the monocot genus Smilax. The Caribbean Havanensis group of Smilax is part of a well-supported "New World clade" with a few disjunct taxa in the Old World. Although the fossil record of the genus is rich, it has been difficult to assign fossil taxa to extant groups based on their preserved morphological characters.• METHODS: Leaf fossils from Europe and Asia Minor were studied comparatively and put into a phylogenetic and biogeographic context using a molecular phylogeny of the genus...
March 2015: American Journal of Botany
https://www.readbyqxmd.com/read/25739096/rapid-screening-for-the-adulterants-of-berberis-aristata-using-direct-analysis-in-real-time-mass-spectrometry-and-principal-component-analysis-for-discrimination
#15
Vikas Bajpai, Awantika Singh, Kamal Ram Arya, Mukesh Srivastava, Brijesh Kumar
Adulteration or substitution of commercial Berberis aristata and its herbal products with inferior-quality substituents is very common. Metabolic profiling of B. aristata, along with its common adulterants/contaminants/substituents such as B. asiatica, Mahonia borealis and Coscinium fenestratum, was rapidly carried out using direct analysis in real-time mass spectrometry (DART MS) to generate the chemical fingerprints for the differentiation of these species. Phytochemical analysis showed the presence of mainly alkaloids...
2015: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/25172799/alkaloids-from-mahonia-bealei-posses-anti-h%C3%A2-%C2%BA-k%C3%A2-%C2%BA-atpase-and-anti-gastrin-effects-on-pyloric-ligation-induced-gastric-ulcer-in-rats
#16
Su-Li Zhang, Hui Li, Xin He, Run-Qi Zhang, Yu-He Sun, Chun-Feng Zhang, Chong-Zhi Wang, Chun-Su Yuan
The purpose of this study was to investigate the underlying mechanism(s) of the total alkaloids (TA) from Mahonia bealei in treating pyloric ligation-induced gastric ulcers in rats. Animals were sacrificed after 19 h of the ligation. Gastric acid, peptic activities, mucin levels, H(+)/K(+)-ATPase activities and the gastrin level were analyzed. To improve the accuracy of the observations, IPP 6.0 software was introduced to measure the area of ulcer. TA (18.56 mg/kg/day, i.g.) showed an antiulcer effect by significantly decreasing the gastric ulcer areas (11...
September 25, 2014: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/25109463/proteomics-analysis-of-mahonia-bealei-leaves-with-induction-of-alkaloids-via-combinatorial-peptide-ligand-libraries
#17
Lin Zhang, Wei Zhu, Yanzhen Zhang, Bingxian Yang, Zhirong Fu, Ximin Li, Jingkui Tian
UNLABELLED: Alkaloids are one of the most attractive sources for obtaining active natural products. However, alkaloids exist in the plants as the secondary metabolites with tracing amount, and there is an enormous demand for a large production. In the present study, we aimed to profile the modification of benzylisoquinoline alkaloids in Mahonia bealei seedlings under the binary stress of ultraviolet-B irradiation and dark incubation. Comparative proteomics analysis was carried out to address the underlying proteome variations that accounted for the alkaloid induction under treatment...
October 14, 2014: Journal of Proteomics
https://www.readbyqxmd.com/read/25053555/absorption-characteristics-of-the-total-alkaloids-from-mahonia-bealei-in-an-in-situ-single-pass-intestinal-perfusion-assay
#18
Yu-He Sun, Xin He, Xiao-Lin Yang, Cui-Lan Dong, Chun-Feng Zhang, Zi-Jing Song, Ming-Xing Lu, Zhong-Lin Yang, Ping Li
AIM: To investigate the absorption characteristics of the total alkaloids from Mahoniae Caulis (TAMC) through the administration of monterpene absorption enhancers or protein inhibitors. METHOD: The absorption behavior was investigated in an in situ single-pass intestinal perfusion (SPIP) assay in rats. RESULTS: The intestinal absorption of TAMC was much more than that of a single compound or a mixture of compounds (jatrorrhizine, palmatine, and berberine)...
July 2014: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/24779354/virulence-and-molecular-analyses-support-asexual-reproduction-of-puccinia-striiformis-f-sp-tritici-in-the-u-s-pacific-northwest
#19
P Cheng, X M Chen
Wheat stripe rust, caused by Puccinia striiformis f. sp. tritici, occurs every year and causes significant yield losses in the U.S. Pacific Northwest (PNW). A large number of P. striiformis f. tritici races are identified every year and predominant races have changed rapidly. Barberry and mahonia plants, which have been identified under controlled conditions as alternate hosts for the fungus, are found in the region. However, whether sexual reproduction occurs in the P. striiformis f. sp. tritici population under natural conditions is not clear...
November 2014: Phytopathology
https://www.readbyqxmd.com/read/24679815/composition-and-antioxidant-activity-of-red-fruit-liqueurs
#20
Anna Sokół-Łętowska, Alicja Z Kucharska, Katarzyna Wińska, Antoni Szumny, Agnieszka Nawirska-Olszańska, Paulina Mizgier, Dorota Wyspiańska
Fruits traditionally used for liqueurs are a good source of phenolic compounds endowed with antioxidant activity. The aim of this study was to compare the content of phenolic compounds and anthocyanins and the antioxidant capacity of liqueurs made from red fruits. The liqueurs were made from fruits of 10 species: chokeberry, cornelian cherry, black rose, blackcurrant, blackberry, raspberry, mahonia, sloe, strawberry, and sour cherry. The liqueurs from black rose, chokeberry, sloe and mahonia fruits contained the most of substances which react with the Folin-Ciocalteu reagent (671, 329, 271 and 218 mg GAE/100 mL, respectively) and had the highest antioxidant activity...
August 15, 2014: Food Chemistry
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