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https://www.readbyqxmd.com/read/29785193/gallnuts-a-potential-treasure-in-anticancer-drug-discovery
#1
REVIEW
Jiayu Gao, Xiao Yang, Weiping Yin, Ming Li
Introduction. In the discovery of more potent and selective anticancer drugs, the research continually expands and explores new bioactive metabolites coming from different natural sources. Gallnuts are a group of very special natural products formed through parasitic interaction between plants and insects. Though it has been traditionally used as a source of drugs for the treatment of cancerous diseases in traditional and folk medicinal systems through centuries, the anticancer properties of gallnuts are barely systematically reviewed...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29784948/simultaneous-cell-disruption-and-semi-quantitative-activity-assays-for-high-throughput-screening-of-thermostable-l-asparaginases
#2
Xu Li, Xian Zhang, Shuqin Xu, Hengwei Zhang, Meijuan Xu, Taowei Yang, Li Wang, Haifeng Qian, Huiling Zhang, Haitian Fang, Tolbert Osire, Zhiming Rao, Shangtian Yang
L-asparaginase, which catalyses the hydrolysis of L-asparagine to L-aspartate, has attracted the attention of researchers due to its expanded applications in medicine and the food industry. In this study, a novel thermostable L-asparaginase from Pyrococcus yayanosii CH1 was cloned and over-expressed in Bacillus subtilis 168. To obtain thermostable L-asparaginase mutants with higher activity, a robust high-throughput screening process was developed specifically for thermophilic enzymes. In this process, cell disruption and enzyme activity assays are simultaneously performed in 96-deep well plates...
May 21, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29784464/-fluid-resuscitation-and-evidence-based-medicine-the-truth-is-rarely-pure-and-never-simple-oscar-wilde
#3
L Zieleskiewicz, M Leone
No abstract text is available yet for this article.
May 18, 2018: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/29783020/immune-modulation-of-a-novel-lipid-soluble-extract-of-pinellia-pedatisecta-schott-in-the-tumor-microenvironment-of-an-hpv-tumor-burdened-mouse-model
#4
Haixia Huang, Mingxing Zhang, Meng Zhang, Jing Peng, Guiling Li, Congjian Xu, Suiqi Gui
ETHNOPHARMACOLOGICAL RELEVANCE: Pinellia pedatisecta Schott extract (PE), a traditional Chinese medicine, has been used to reduce swelling, dry dampness and suppress cervical tumors. AIMS: To evaluate the roles of PE in the regulation of anti-tumor effects and the cellular immune response in the tumor microenvironment. METHODS: The immune microenvironment of HPV+ TC-1 tumors was examined by immunohistochemistry, real-time PCR and flow cytometry...
May 18, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29783018/tumor-inhibitory-effects-of-intravesical-ganoderma-lucidum-instillation-in-the-syngeneic-orthotopic-mb49-c57-bladder-cancer-mice-model
#5
J W M Yuen, D S Y Mak, E S Chan, M D I Gohel, C F Ng
ETHNOPHARMACOLOGICAL RELEVANCE: Ganoderma lucidum (GL) has been traditionally used in oriental medicine as superior health tonic, and there are numerous scientific evidences of its antitumorigenic activities. AIM OF THE STUDY: To evaluate the intravesical chemopreventive effects of ethanol extract of GL (GLe) on bladder cancer. MATERIALS AND METHODS: Intravesical therapy is defined as the direct instillation of a liquid drug into bladder through a catheter...
May 18, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29777161/genetic-diversity-analysis-reveals-genetic-differentiation-and-strong-population-structure-in-calotropis-plants
#6
Nkatha G Muriira, Alice Muchugi, Anmin Yu, Jianchu Xu, Aizhong Liu
The genus Calotropis (Asclepiadaceae) is comprised of two species, C. gigantea and C. procera, which both show significant economic potential for use of their seed fibers in the textile industry, and of their bioactive compounds as new medicinal resources. The available wild-sourced germplasm contains limited genetic information that restricts further germplasm exploration for the purposes of domestication. We here developed twenty novel EST-SSR markers and applied them to assess genetic diversity, population structure and differentiation within Calotropis...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29774115/an-improved-method-for-culturing-patient-derived-colorectal-cancer-spheroids
#7
Hiroyuki Miyoshi, Hisatsugu Maekawa, Fumihiko Kakizaki, Tadayoshi Yamaura, Kenji Kawada, Yoshiharu Sakai, M Mark Taketo
Recent advances allowed culturing and examination of patient-derived colorectal cancer (PD-CRC) cells as organoids or spheroids. To be applied to practical personalized medicine, however, current methods still need to be strengthened for higher efficiency. Here we report an improved method to propagate PD-CRC tumor initiating cells (TICs) in spheroid culture. We established > 100 cancer spheroid lines derived from independent colorectal cancer patients employing a serum-containing medium with additional inhibitors, Y27632 and SB431542...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29773007/cell-proliferation-and-dna-repair-ability-of-ganoderma-neo-japonicum-agaricomycetes-an-indigenous-medicinal-mushroom-from-malaysia
#8
Wee Cheat Tan, Umah Rani Kuppusamy, Chia Wei Phan, Vikineswary Sabaratnam
Ganoderma neo-japonicum is an annual polypore that grows on decaying bamboo in the forests of Malaysia. The indigenous Temuan tribe uses this species as a medicinal mushroom to cure fever and epilepsy and to improve body strength. The potential use of G. neo-japonicum in genoprotection and DNA repair was established using a single-cell gel electrophoresis (comet) assay. The effects of the ethanol and hot aqueous extracts from wild and cultivated basidiocarps, solid substrate-fermented (SSF) wheat grains, and mycelia via submerged culture on H2O2-damaged murine RAW264...
2018: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/29767754/mid-luteal-progesterone-a-marker-of-treatment-outcomes-in-couples-with-unexplained-infertility
#9
Karl R Hansen, Esther Eisenberg, Valerie Baker, Micah J Hill, Sixia Chen, Sara Talken, Michael P Diamond, Richard S Legro, Christos Coutifaris, Ruben Alvero, Randal D Robinson, Peter Casson, Gregory M Christman, Nanette Santoro, Heping Zhang, Robert A Wild
Context: Adequate luteal phase progesterone exposure is necessary to induce endometrial changes required for a successful pregnancy outcome. The relationship between low mid-luteal progesterone concentration and the outcome of live birth in ovarian stimulation with intrauterine insemination (OS-IUI) treatments is not defined. Objective: To determine the level of mid-luteal progesterone portending a low chance of live birth following OS-IUI in couples with unexplained infertility...
May 14, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29755562/investigation-of-%C3%AE-sitosterol-and-prangol-extracted-from-achillea-tenoifolia-along-with-whole-root-extract-on-isolated-rat-pancreatic-islets
#10
Mahban Rahimifard, Azadeh Manayi, Maryam Baeeri, Mahdi Gholami, Soodabeh Saeidnia, Mohammad Abdollahi
The genus Achillea (Asteraceae) consisting of important medicinal species, growing wildly in Iran, of which A. tenuifolia is found in Iran-o-Turan regions. Regarding the traditional use of Achillea species for treatment of diabetes and also lack of information on phyto-constituents of A. tenuifolia underground parts, in this study anti-diabetic activity of the plant have been reported. In order to find the main active components, underground parts of the plant were extracted with water and fractioned by hexane, ethyl acetate, and methanol and the separation of the main compounds were carried out via medium pressure liquid chromatography (MPLC)...
2018: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/29752731/metabolomic-comparison-between-wild-ophiocordyceps-sinensis-and-artificial-cultured-cordyceps-militaris
#11
Lin Chen, Yuetao Liu, Qingfeng Guo, Qingxia Zheng, Wancun Zhang
In this study, a systematic research on the metabolome differences between wild Ophiocordyceps sinensis (O. sinensis) and artificial cultured Cordyceps militaris (C. militaris) was conducted using liquid chromatography-mass spectrometry. Principal components analysis (PCA) and Orthogonal projection on latent structure-discriminant analysis (OPLS-DA) results showed that C. militaris grown on solid rice medium (R-CM) and C. militaris grown on tussah pupa (T-CM) evidently separated and individually separated from wild O...
May 11, 2018: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29751749/engineering-a-vitamin-b-12-high-throughput-screening-system-by-riboswitch-sensor-in-sinorhizobium-meliloti
#12
Yingying Cai, Miaomiao Xia, Huina Dong, Yuan Qian, Tongcun Zhang, Beiwei Zhu, Jinchuan Wu, Dawei Zhang
BACKGROUND: As a very important coenzyme in the cell metabolism, Vitamin B12 (cobalamin, VB12 ) has been widely used in food and medicine fields. The complete biosynthesis of VB12 requires approximately 30 genes, but overexpression of these genes did not result in expected increase of VB12 production. High-yield VB12 -producing strains are usually obtained by mutagenesis treatments, thus developing an efficient screening approach is urgently needed. RESULT: By the help of engineered strains with varied capacities of VB12 production, a riboswitch library was constructed and screened, and the btuB element from Salmonella typhimurium was identified as the best regulatory device...
May 11, 2018: BMC Biotechnology
https://www.readbyqxmd.com/read/29751123/high-altitude-species-high-profits-can-the-trade-in-wild-harvested-fritillaria-cirrhosa-liliaceae-be-sustained
#13
REVIEW
A B Cunningham, J A Brinckmann, S-J Pei, P Luo, U Schippmann, X Long, Y-F Bi
ETHNOPHARMACOLOGICAL RELEVANCE: Fritillaria cirrhosa D. Don bulbs contain alkaloids and are one of the most intensively exploited alpine Himalayan medicinal species. In terms of proprietary medicines, our study shows that 210 F. cirrhosa products are offered by 46 suppliers, most of which (44) are situated in China and two in Nepal. A widepread commercial use is as one of the main ingredients in cough syrups. A well known example is "Nin Jiom Pei Pa Koa Herbal Cough & Throat Syrup", which typically contains more F...
May 8, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29746995/rising-trade-declining-stocks-the-global-gugul-commiphora-wightii-trade
#14
REVIEW
A B Cunningham, J A Brinckmann, R N Kulloli, U Schippmann
ETHNOPHARMACOLOGICAL RELEVANCE: Commiphora wightii is exploited in India and Pakistan for an oleo-resin (gum guggul) traditionally used in Ayurvedic, Siddha and Unani medical systems. Processed C. wightii oleo-resin products are exported from India to 42 countries, including re-export to Pakistan, for anti-inflammatory use and as an anti-inflammatory and an anti-obesity treatment considered to lower cholesterol and lipid levels. The C. wightii export trade has particular relevance to the European Union because Belgium, France, Germany, Hungary, Italy, the Netherlands, and United Kingdom are importing countries...
May 7, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29738778/shikonin-enhances-sensitization-of-gefitinib-against-wild-type-egfr-non-small-cell-lung-cancer-via-inhibition-pkm2-stat3-cyclind1-signal-pathway
#15
Jian-Cai Tang, Yong-Gang Ren, Jia Zhao, Feng Long, Jian-Ye Chen, Zhen Jiang
AIMS: Mutant EGFR Non-small cell lung cancer has benefit from gefitinib, but it has limited effect for wild-type EGFR tumors. Shikonin, a natural naphthoquinone isolated from a traditional Chinese medicine, the plant Lithospermum erythrorhizon (zicao), not only can inhibit the tumor growth, but also overcome cancer drug resistance. Our aim is to investigate whether shikonin can enhance antitumor effect of gefitinib in EGFR wild-type lung cancer cells in vitro and in vivo. MATERIALS AND METHODS: CCK-8 was used to determine the proliferation of EGFR wild-type non-small cell lung cancer...
May 5, 2018: Life Sciences
https://www.readbyqxmd.com/read/29737458/dental-pulp-stem-cells-exploration-in-a-novel-animal-model-the-tasmanian-devil-sarcophilus-harrisii
#16
REVIEW
Chelsea M Graham, Karlea L Kremer, Simon A Koblar, Monica A Hamilton-Bruce, Stephen B Pyecroft
Dental pulp stem cells (DPSC) are a heterogeneous population of highly proliferative stem cells located in the soft inner pulp tissue of the tooth. Demonstrated to have an affinity for neural differentiation, DPSC have been reported to generate functional Schwann cells (SC) through in vitro differentiation. Both DPSC and SC have neural crest origins, recently a significant population of DPSC have been reported to derive from peripheral nerve-associated glia. The predisposition DPSC have towards the SC lineage is not only a very useful tool for neural regenerative therapies in the medical field, it also holds great promise in the veterinary field...
May 8, 2018: Stem Cell Reviews
https://www.readbyqxmd.com/read/29736623/in-vitro-plant-tissue-culture-means-for-production-of-biological-active-compounds
#17
REVIEW
Claudia A Espinosa-Leal, César A Puente-Garza, Silverio García-Lara
Plant tissue culture as an important tool for the continuous production of active compounds including secondary metabolites and engineered molecules. Novel methods (gene editing, abiotic stress) can improve the technique. Humans have a long history of reliance on plants for a supply of food, shelter and, most importantly, medicine. Current-day pharmaceuticals are typically based on plant-derived metabolites, with new products being discovered constantly. Nevertheless, the consistent and uniform supply of plant pharmaceuticals has often been compromised...
May 7, 2018: Planta
https://www.readbyqxmd.com/read/29735100/multidirectional-investigations-on-different-parts-of-allium-scorodoprasum-l-subsp-rotundum-l-stearn-phenolic-components-in-vitro-biological-and-in-silico-propensities
#18
Adriano Mollica, Gokhan Zengin, Marcello Locatelli, Carene Marie Nancy Picot-Allain, Mohamad Fawzi Mahomoodally
Allium species have been widely used for culinary and medicinal purposes. This study attempts for the first time to investigate into the enzyme inhibitory potential of different plant parts of Allium scorodoprasum L. subsp. rotundum (L.) Stearn, also known as wild garlic or leek in Turkey. The antioxidant and enzyme inhibitory potential of the flower, stem, and bulb extracts of A. scorodoprasum were assessed using in vitro bio-assays. The phenolic composition of the different plant parts was also established...
June 2018: Food Research International
https://www.readbyqxmd.com/read/29734778/antibiotic-sensitivity-profiling-and-virulence-potential-of-campylobacter-jejuni-isolates-from-estuarine-water-in-the-eastern-cape-province-south-africa
#19
Anthony C Otigbu, Anna M Clarke, Justine Fri, Emmanuel O Akanbi, Henry A Njom
Campylobacter jejuni (CJ) is a zoonotic microbe and a major causative organism of diarrheal infection in humans that often has its functional characteristics inactivated in stressed conditions. The current study assessed the correlation between recovered CJ and water quality parameters and the drug sensitivity patterns of the pathogen to frontline antibiotics in human and veterinary medicine. Water samples ( n = 244) from rivers/estuarines were collected from April⁻September 2016, and physicochemical conditions were recorded on-site...
May 6, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29730892/activation-of-p70s6-kinase-1-in-mesenchymal-stem-cells-is-essential-to-lung-tissue-repair
#20
Katsuyuki Takeda, Fangkun Ning, Joanne Domenico, Masakazu Okamoto, Shigeru Ashino, Sang-Ha Kim, Yi Yeong Jeong, Yoshiki Shiraishi, Naohiro Terada, Everett Rand Sutherland, Erwin W Gelfand
All-trans retinoic acid (ATRA) or mesenchymal stem cells (MSCs) have been shown to promote lung tissue regeneration in animal models of emphysema. However, the reparative effects of the combination of the two and the role of p70S6 kinase-1 (p70S6k1) activation in the repair process have not been defined. Twenty-one days after intratracheal instillation of porcine pancreatic elastase (PPE), MSC and/or 10 days of ATRA treatment was initiated. Thirty-two days later, static lung compliance (Cst), mean linear intercepts (MLIs), and alveolar surface area (S) were measured...
May 5, 2018: Stem Cells Translational Medicine
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