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https://www.readbyqxmd.com/read/28433680/organocatalyzed-and-mechanochemical-solvent-free-synthesis-of-novel-and-functionalized-bis-biphenyl-substituted-thiazolidinones-as-potent-tyrosinase-inhibitors-sar-and-molecular-modeling-studies
#1
Sadaf Mutahir, Muhammad Asim Khan, Islam Ullah Khan, Muhammad Yar, Muhammad Ashraf, Sidra Tariq, Ren-Long Ye, Bao-Jing Zhou
Eluding the involvement of solvents in organic synthesis and introducing environment friendly procedures can control environmental problems. A facile and an efficient solvent free mechanochemical method (grinding) is achieved to synthesize novel bis-biphenyl substituted thiazolidinones using non-toxic and cheap N-acetyl glycine (NAG). Organocatalytic condensation of a series of Schiff's bases bearing different substituents with thioglycolic acid produces a variety of thiazolidinones derivatives in good to excellent yield...
April 13, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28433521/determination-of-cyclopeptide-toxins-in-amanita-subpallidorosea-and-amanita-virosa-by-high-performance-liquid-chromatography-coupled-with-high-resolution-mass-spectrometry
#2
Jiahui Wei, Jianfeng Wu, Jia Chen, Bidong Wu, Zhengmi He, Ping Zhang, Haijiao Li, Chengye Sun, Chang Liu, Zuohong Chen, Jianwei Xie
Amanita subpallidorosea is a recently discovered lethal Amanita sect. Phalloideae species found in China that is clustered with A. virosa in the same clade based on molecular phylogenetic analysis. However, the cyclopeptide toxin contents of these lethal mushrooms remain poorly studied. In this study, the cyclopeptide toxins in A. subpallidorosea were reported for the first time and the cyclopeptide compositions of A. subpallidorosea and A. virosa species were systematically analyzed. Thirteen cyclopeptides and two unknown compounds were identified or observed from these two lethal mushrooms by high-performance liquid chromatography coupled with high-resolution mass spectrometry...
April 19, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28433182/vitamin-d-fortified-chitosan-films-from-mushroom-waste
#3
Cristina Bilbao-Sainz, Bor-Sen Chiou, Tina Williams, Delilah Wood, Wen-Xian Du, Ivana Sedej, Zhaojun Ban, Victor Rodov, Elena Poverenov, Yakov Vinokur, Tara McHugh
Brown mushroom (Agaricus bisporus) stalk bases from mushroom waste were treated with UV-B light to rapidly increase vitamin D2 content. Chitin was also recovered from this waste and converted into chitosan by N-deacetylation. FTIR spectra showed that the mushroom chitosan were similar to chitosan from animal sources. Chitosan films were prepared using high molecular weight (HW), low molecular weight (LW) and fungal chitosan. UV-B treated mushroom particles were also incorporated into fungal chitosan films. The fungal chitosan films showed similar density, porosity and water vapor barrier properties to the LW and HW chitosan films...
July 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28432095/mushroom-emergence-detected-by-combining-spore-trapping-with-molecular-techniques
#4
Carles Castaño, Jonàs Oliva, Juan Martínez de Aragón, Josu G Alday, Javier Parladé, Joan Pera, José Antonio Bonet
Obtaining reliable and representative mushroom production data requires time-consuming sampling schemes. In this paper, we assessed a simple methodology to detect mushroom emergence by trapping the fungal spores of the fruiting body community in plots where mushroom production was determined weekly. We compared the performance of filter paper traps with that of funnel traps and combined these spore trapping methods with species-specific quantitative real-time PCR and Illumina MiSeq to determine the spore abundance...
April 21, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28430887/measurement-of-forces-and-moments-around-the-maxillary-arch-for-treatment-of-a-simulated-lingual-incisor-and-high-canine-malocclusion-using-straight-and-mushroom-archwires-in-fixed-lingual-appliances
#5
Brandon Owen, Geoffry Gullion, Giseon Heo, Jason P Carey, Paul W Major, Dan L Romanyk
Introduction: An Orthodontic SIMulator (OSIM) was used to investigate the propagation of forces and moments around a simulated archform for a gingival displaced canine and lingual displaced lateral incisor using fixed lingual orthodontic appliances. Methods: In-Ovation L self-ligating lingual brackets were bonded to anatomically shaped teeth on the OSIM, and the teeth were positioned such that a G4 NiTi 0.016" large maxillary mushroom archwire could be ligated in passive position...
April 20, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28427938/ganoderma-lucidum-reishi-suppresses-proliferation-and-migration-of-breast-cancer-cells-via-inhibiting-wnt-%C3%AE-catenin-signaling
#6
Yu Zhang
The medical mushroom Ganoderma lucidum (Reishi), a traditional Chinese medicine, has exhibited a promising anti-cancer effect. However, the molecular mechanism of its action on cancer cells remains unclear. Aberrant activation of Wnt/β-catenin signaling pathway is the cause of many types of cancer, including breast cancer. Here we investigated the effect of Reishi on Wnt/β-catenin signaling pathway and elucidated the molecular mechanism of its function in inhibiting breast cancer cells. We found that Reishi blocked Wnt/β-catenin signaling through inhibiting the phosphorylation of Wnt co-receptor LRP6...
April 17, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28426415/detection-of-echinococcus-multilocularis-dna-in-fruit-vegetable-and-mushroom-samples-collected-in-the-non-endemic-territory-of-the-pomerania-province-and-comparison-of-the-results-with-data-from-rural-areas-of-the-neighbouring-highly-endemic-warmia-masuria
#7
Anna Lass, Beata Szostakowska, Przemyslaw Myjak, Krzysztof Korzeniewski
Echinococcus multilocularis is a tapeworm that may cause alveolar echinococcosis (AE), one of the most dangerous parasitic zoonoses. As in the case of some foodborne diseases, unwashed fruits and vegetables contaminated with eggs of E. multilocularis may serve as an important transmission route for this parasite. The aim of this study was to investigate the presence of E. multilocularis DNA in fruit, vegetables, and mushrooms in rural areas of the Pomerania province, Poland (non-endemic territory). In total, 104 environmental fruit, vegetable, and mushroom samples collected in forests, plantations, and kitchen gardens were analysed using nested PCR based on the mitochondrial 12S rRNA gene...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28424791/antifatigue-effects-of-antrodia-cinnamomea-cultured-mycelium-via-modulation-of-oxidative-stress-signaling-in-a-mouse-model
#8
Yange Liu, Lanzhou Li, Shengshu An, Yuanzhu Zhang, Shiwei Feng, Lu Zhao, Lirong Teng, Di Wang
Antrodia cinnamomea, a folk medicinal mushroom, has numerous biological effects. In this study, we aim to assess whether the antifatigue effects of A. cinnamomea mycelia (AC) and its underlying mechanisms are related to oxidative stress signaling using behavioral mouse models and biochemical indices detection. Mice were orally treated with AC at doses of 0.1, 0.3, and 0.9 g/kg for three weeks. AC had no effect on the spontaneous activities of mice indicating its safety on central nervous system. Furthermore, results obtained from weight-loaded forced swimming test, rotary rod test, and exhausted running test confirmed that AC significantly enhanced exercise tolerance of mice...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28422185/improved-ganoderic-acids-production-in-ganoderma-lucidum-by-wood-decaying-components
#9
Yanru Hu, Shakeel Ahmed, Jiawei Li, Biaobiao Luo, Zengyan Gao, Qiyun Zhang, Xiaohua Li, Xuebo Hu
Ganoderma lucidum is a legendary Traditional Chinese Medicine (TCM) over a few thousands of years and one kind of its major active components are Ganoderic acids (GAs). GAs are largely produced in the mushroom primordium and fruiting body but much less in mycelium stage. However, little is known on the underlying regulatory mechanism. As a saprophytic fungus, G. lucidum solely obtains nutrients by wood decaying. Wood in general contains sophisticated chemical components with diverse structural units. To explore a strategy that extensively leads to GAs induction in the submerged liquid fermentation, all chemical components that might be possibly from the wood decaying were tested individually as GAs inducers...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28422148/chemical-and-bioactive-profiling-and-biological-activities-of-coral-fungi-from-northwestern-himalayas
#10
Sapan Kumar Sharma, Nandini Gautam
Ramaria Fr. and Clavaria L. are the two major genera of coral mushrooms within families Gomphaceae and Clavariaceae, respectively. Besides having important role in forest ecology, some species of these are reported to possess high nutraceutical and bioactive potential. There is a hidden diversity of coral mushrooms in Northwestern Himalayas. Present studies describe the detailed biochemical profiling and antioxidant, and antibacterial activities of twelve coral mushroom species. Biochemical profiling of nutrients and nutraceuticals was done with standard techniques and by using HPLC, UPLC and GC...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28421412/bioactive-compounds-and-antioxidant-activity-exhibit-high-intraspecific-variability-in-pleurotus-ostreatus-mushrooms-and-correlate-well-with-cultivation-performance-parameters
#11
Georgios Koutrotsios, Nick Kalogeropoulos, Pantelis Stathopoulos, Andriana C Kaliora, Georgios I Zervakis
Experimental data related with oyster mushroom production and nutritional properties usually derive from the examination of only one strain, and hence their representativeness/usefulness is questionable. This work aims at assessing intraspecific variability in Pleurotus ostreatus by studying 16 strains, under the same conditions, in respect to essential cultivation and mushroom quality aspects, and by defining the impact of intrinsic/genetic factors on such parameters. Hence, mushroom yield, earliness, crop length, biological efficiency, productivity, and their content in selected macro and microconstituents (e...
May 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28420993/phellinus-linteus-mycelium-alleviates-myocardial-ischemia-reperfusion-injury-through-autophagic-regulation
#12
Hsing-Hui Su, Ya-Chun Chu, Jiuan-Miaw Liao, Yi-Hsin Wang, Ming-Shiou Jan, Chia-Wei Lin, Chiu-Yeh Wu, Chin-Yin Tseng, Jiin-Cherng Yen, Shiang-Suo Huang
The incidence of myocardial ischemia-reperfusion (IR) injury is rapidly increasing around the world and this disease is a major contributor to global morbidity and mortality. It is known that regulation of programmed cell death including apoptosis and autophagy reduces the impact of myocardial IR injury. In this study, the cardioprotective effects and underlying mechanisms of Phellinus linteus (Berk. and Curt.) Teng, Hymenochaetaceae (PL), a type of medicinal mushroom, were examined in rats subjected to myocardial IR injury...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28416764/a-recombinant-fungal-compound-induces-anti-proliferative-and-pro-apoptotic-effects-on-colon-cancer-cells
#13
Lili Nimri, Orly Spivak, Dana Tal, Dominik Schälling, Irena Peri, Lutz Graeve, Tomer M Salame, Oded Yarden, Yitzhak Hadar, Betty Schwartz
Finding intracellular pathways and molecules that can prevent the proliferation of colon cancer cells can provide significant bases for developing treatments for this disease. Ostreolysin (Oly) is a protein found in the mushroom Pleurotus ostreatus, and we have produced a recombinant version of this protein (rOly).We measured the viability of several colon cancer cells treated with rOly. Xenografts and syngeneic colon cancer cells were injected into in vivo mouse models, which were then treated with this recombinant protein...
March 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416632/null-epac-mutants-reveal-a-sequential-order-of-versatile-camp-effects-during-drosophila-aversive-odor-learning
#14
Antje Richlitzki, Philipp Latour, Martin Schwärzel
Here, we define a role of the cAMP intermediate EPAC in Drosophila aversive odor learning by means of null epac mutants. Complementation analysis revealed that EPAC acts downstream from the rutabaga adenylyl cyclase and in parallel to protein kinase A. By means of targeted knockdown and genetic rescue we identified mushroom body Kenyon cells (KCs) as a necessary and sufficient site of EPAC action. We provide mechanistic insights by analyzing acquisition dynamics and using the "performance increment" as a means to access the trial-based sequential organization of odor learning...
May 2017: Learning & Memory
https://www.readbyqxmd.com/read/28416593/two-components-of-aversive-memory-in-drosophila-anesthesia-sensitive-and-anesthesia-resistant-memory-require-distinct-domains-within-the-rgk1-small-gtpase
#15
Satoshi Murakami, Maki Minami-Ohtsubo, Ryuichiro Nakato, Katsuhiko Shirahige, Tetsuya Tabata
For aversive olfactory memory in Drosophila, multiple components have been identified that exhibit different stabilities. These components have been defined by behavioral and genetic studies, and genes specifically required for a specific component have also been identified. Intermediate-term memory generated after single cycle conditioning is divided into anesthesia-sensitive memory (ASM) and anesthesia-resistant memory (ARM), with the latter being more stable. We determined that the ASM and ARM pathways converged on the Rgk1 small GTPase and that the N-terminal domain-deleted Rgk1 was sufficient for ASM formation, whereas the full-length form was required for ARM formation...
April 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28416390/fluoroscopy-guided-placement-of-pull-type-mushroom-retained-gastrostomy-tubes-in-102-patients
#16
G Kahriman, N Ozcan, H Donmez
PURPOSE: The purpose of this study was to evaluate the technical and clinical results of fluoroscopy-guided placement of pull-type mushroom-retained gastrostomy tubes. MATERIALS AND METHODS: This retrospective study included 102 patients (61 men, 41 women) with a mean age of 59years±16.3 (SD) (range, 18-94years) who had fluoroscopy-guided placement of pull-type mushroom-retained gastrostomy tubes. All procedures were performed after inflating the stomach with air via an orally inserted 5-Fr catheter by retrograde catheterization of the esophagogastric junction...
April 14, 2017: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/28416007/disseminated-alveolar-echinococcosis-resembling-metastatic-malignancy-a-case-report
#17
Laura Caire Nail, Ezequiel Rodríguez Reimundes, Christelle Weibel Galluzzo, Dan Lebowitz, Yasmine Lucile Ibrahim, Johannes Alexander Lobrinus, François Chappuis
BACKGROUND: Alveolar echinococcosis is a potentially lethal zoonosis caused by larval forms of the tapeworm Echinococcus multilocularis. Humans are aberrant intermediate hosts who become infected by ingestion of egg-contaminated food or water or via physical contact with domestic or wild animals that carry the parasite in their small intestine. In humans, the disease usually affects the liver and can spread to other organs causing metastatic infiltration. In this report, we describe an advanced presentation of human alveolar echinococcosis mimicking metastatic malignancy...
April 18, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28414956/geosmin-as-a-source-of-the-earthy-musty-smell-in-fruits-vegetables-and-water-origins-impact-on-foods-and-water-and-review-of-the-removing-techniques
#18
REVIEW
Viacheslav Liato, Mohammed Aïder
The earthy-musty smell produced by Streptomyces sp. is assigned to geosmin and is responsible for the major organoleptic defects found in drinking water, fruits and vegetables such as grapes, mushrooms, carrots, and beet. Geosmin is also found in juices and musts before fermentation and its presence has been associated with partial presence of Botrytis cinerea. It has a variable detection threshold depending on the matrix and the detection level ranges from 5 to 50 ng/L. On the sensory level, very few individuals are immune to geosmin and although the intensity of the defect caused by this molecule decreases rapidly in the nose, a bad taste is very persistent in the mouth...
April 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28412877/retrospective-time-perception-in-korsakoff-s-syndrome
#19
Mohamad El Haj, Jean-Louis Nandrino, Roy P C Kessels, Christian Matton, Jean-Eudes Bacquet, Laurent Urso, Pascal Antoine
The authors investigated retrospective timing in participants with Korsakoff's syndrome. Patients were assessed on four retrospective tasks on which they were instructed to read three-digit numbers aloud (15 seconds), fill connected squares (30 seconds), decide whether words were abstract or concrete (45 seconds), or read aloud a text about mushroom picking (60 seconds). Participants were not aware of the task's timing until the end of the tasks, when they were asked to estimate the elapsed time. Results revealed an underestimation of the elapsed time in Korsakoff participants, suggesting that time is perceived to pass quickly for these participants...
April 17, 2017: Journal of Neuropsychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/28412218/evaluation-of-the-combined-use-of-metronomic-zoledronic-acid-and-coriolus-versicolor-in-intratibial-breast-cancer-mouse-model
#20
Chun-Hay Ko, Grace Gar-Lee Yue, Si Gao, Ke-Wang Luo, Wing-Sum Siu, Wai-Ting Shum, Hoi-Ting Shiu, Julia Kin-Ming Lee, Gang Li, Ping-Chung Leung, Andreas Evdokiou, Clara Bik-San Lau
ETHNOPHARMACOLOGICAL RELEVANCE: Coriolus versicolor (CV) is a mushroom traditionally used for strengthening the immune system and nowadays used as immunomodulatory adjuvant in anticancer therapy. Breast cancer usually metastasizes to the skeleton, interrupts the normal bone remodeling process and causes osteolytic bone lesions. The aims of the present study were to evaluate its herb-drug interaction with metronomic zoledronate in preventing cancer propagation, metastasis and bone destruction...
April 12, 2017: Journal of Ethnopharmacology
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