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https://www.readbyqxmd.com/read/28106305/diversity-oriented-peptide-stapling-a-third-generation-cuaac-stapling-and-functionalisation-strategy
#1
Thu Tran Phuong, Christian Ørnbøl Larsen, Tobias Røndbjerg, Martina De Foresta, Micha Ben Achim Kunze, Ales Marek, Jacob Hartvig Løper, Lotte-Emilie Boyhus, Astrid Knuhtsen, Kresten Lindorff-Larsen, Daniel Sejer Pedersen
The introduction of macrocyclic constraints in peptides (peptide stapling) is an important tool within peptide medicinal chemistry for stabilising and pre-organising peptides in a desired conformation. In recent years, the copper-catalysed azide-alkyne cycloaddition (CuAAC) has emerged as a powerful method for peptide stapling. However, to date CuAAC stapling has not provided a simple method for obtaining peptides that are easily diversified further. In the present study, we report a new diversity-oriented peptide stapling (DOPS) methodology based on CuAAC chemistry...
January 20, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28105862/structural-data-and-immunomodulatory-properties-of-a-water-soluble-heteroglycan-extracted-from-the-mycelium-of-an-italian-isolate-of-ganoderma-lucidum
#2
Raffaele Carrieri, Rosanna Manco, Daniela Sapio, Marco Iannaccone, Andrea Fulgione, Marina Papaianni, Bruna de Falco, Laura Grauso, Paola Tarantino, Flora Ianniello, Virginia Lanzotti, Ernesto Lahoz, Rosanna Capparelli
Mushrooms produce a wide range of bioactive polysaccharides, different from each other in chemical structure and biological effects. In the last years, the idea to develop functional foods or drugs containing fungal polysaccharides is attracting great attention. Fruiting bodies of Basidiomycetes Ganoderma lucidum are commonly used in Oriental medicine to treat several disorders. G. lucidum polysaccharides - mainly β-glucans and heteroglycans - have numerous biological properties such as antitumour and immunomodulatory activities...
January 20, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28105067/current-state-and-future-prospects-for-psychosomatic-medicine-in-japan
#3
REVIEW
Masato Murakami, Yoshihide Nakai
In this article, we describe the history and current state of psychosomatic medicine (PSM) in Japan and propose measures that could be considered based on our view of the future prospects of PSM in Japan. The Japanese Society of PSM (JSPM) was established in 1959, and the first Department of Psychosomatic Internal Medicine in Japan was established at Kyushu University In 1963. PSM in Japan has shown a prominent, unique development, with 3,300 members (as of March 2016), comprised of 71.6% of medical doctors including psychosomatic internal medicine (PIM) specialists, general internists, psychiatrists, pediatricians, obstetricians and gynecologists, dentists, dermatologists, and others...
2017: BioPsychoSocial Medicine
https://www.readbyqxmd.com/read/28100274/using-medical-specialty-and-selection-criteria-clusters-to-study-specialty-selection-by-israeli-medical-students
#4
Yoram G Weiss, Rachel Yaffa Zisk-Rony, Howard Tandeter, Uriel Elchalal, Alex Avidan, Josh E Schroeder, Charles Weissman
BACKGROUND: During their final year of medical school, Israeli students must consider which specialty to choose for residency. Based on the vocational counseling literature we presumed that choices are made by selecting from a cluster of related specialties while considering professional and socio-economic issues. METHODS: Questionnaires distributed to final-year medical students at two Israeli medical schools ascertained inclinations toward various medical specialties and the importance of various selection criteria...
January 18, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28097689/investigating-magnetic-susceptibility-of-human-knee-joint-at-7-tesla
#5
Hongjiang Wei, Russell Dibb, Kyle Decker, Nian Wang, Yuyao Zhang, Xiaopeng Zong, Weili Lin, Daniel B Nissman, Chunlei Liu
PURPOSE: To evaluate the magnetic susceptibility properties of different anatomical structures within the knee joint using quantitative susceptibility mapping (QSM). METHODS: A collagen tissue model was simulated and ex vivo animal cartilage experiments were conducted at 9.4 Tesla (T) to evaluate the B0 orientation-dependent magnetic susceptibility contrast observed in cartilage. Furthermore, nine volunteers (six healthy subjects without knee pain history and three patients with known knee injury, between 29 and 58 years old) were scanned using gradient-echo acquisitions on a high-field 7T MR scanner...
January 17, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28092770/magnolin-inhibits-prostate-cancer-cell-growth-in-vitro-and-in-vivo
#6
Yeqing Huang, Xiangyu Zou, Xiaowen Zhang, Feng Wang, Weidong Zhu, Guangyuan Zhang, Jun Xiao, Ming Chen
BACKGROUND: Magnolin is the most active ingredient in the herb Magnolia fargesii, which has been traditionally used in oriental medicine to treat headaches and nasal congestion. Recent researches demonstrate that Magnolin inhibits cancer cell migration and invasion. MATERIALS AND METHODS: This study used cell culture and the BALB/c nu/nu mouse xenograft model to investigate whether or not magnolin can inhibit the growth of PC3 and Du145 prostate cancer cells. MTT assay and flow cytometry were performed to estimate the proliferation, cycle, and apoptosis of the cells in vitro...
January 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28092440/molecular-interactions-between-graphene-and-biological-molecules
#7
Xingquan Zou, Shuai Wei, Joshua Jasensky, Minyu Xiao, Qiuming Wang, Charles L Brooks, Zhan Chen
Applications of graphene have extended into areas of nanobio-technology such as nanobio-medicine, nanobio-sensing, as well as nanoelectronics with biomolecules. These applications involve interactions between proteins, peptides, DNA, RNA etc. and graphene, therefore understanding such molecular interactions is essential. For example, many applications based on using graphene and peptides require peptides to interact with (e.g., noncovalently bind to) graphene at one end, while simultaneously exposing the other end to the surrounding medium (e...
January 16, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28090658/analysis-of-the-effects-of-noise-dwi-sampling-and-value-of-assumed-parameters-in-diffusion-mri-models
#8
Elizabeth B Hutchinson, Alexandru V Avram, M Okan Irfanoglu, C Guan Koay, Alan S Barnett, Michal E Komlosh, Evren Özarslan, Susan C Schwerin, Sharon L Juliano, Carlo Pierpaoli
PURPOSE: This study was a systematic evaluation across different and prominent diffusion MRI models to better understand the ways in which scalar metrics are influenced by experimental factors, including experimental design (diffusion-weighted imaging [DWI] sampling) and noise. METHODS: Four diffusion MRI models-diffusion tensor imaging (DTI), diffusion kurtosis imaging (DKI), mean apparent propagator MRI (MAP-MRI), and neurite orientation dispersion and density imaging (NODDI)-were evaluated by comparing maps and histogram values of the scalar metrics generated using DWI datasets obtained in fixed mouse brain with different noise levels and DWI sampling complexity...
January 16, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28088258/comparing-outcomes-from-the-two-most-recognized-acupuncturist-workforce-surveys
#9
Steven H Stumpf, Kory Ward-Cook, Clifford R Carr
OBJECTIVE: To determine the informational consistency produced by the two most recent independent surveys and draw a conclusion whether the data would be sufficient for the National Center for Health Workforce Analysis and Bureau of Labor and Statistics consideration. METHODS: This paper compares workforce outcomes collected by the two most prominent acupuncture entities that have produced the most useful acupuncturist workforce data (California Acupuncture Board 2015 Occupational Analysis and the National Certification Commission of Acupuncture and Oriental Medicine® 2013 Job Analysis) at national and state levels...
January 2017: Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28079727/how-supervisor-experience-influences-trust-supervision-and-trainee-learning-a-qualitative-study
#10
Leslie Sheu, Jennifer R Kogan, Karen E Hauer
PURPOSE: Appropriate trust and supervision facilitate trainees' growth toward unsupervised practice. The authors investigated how supervisor experience influences trust, supervision, and subsequently trainee learning. METHOD: In a two-phase qualitative inductive content analysis, phase one entailed reviewing 44 internal medicine resident and attending supervisor interviews from two institutions (July 2013 to September 2014) for themes on how supervisor experience influences trust and supervision...
January 10, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28078759/bufalin-a-bufanolide-steroid-from-the-parotoid-glands-of-the-chinese-toad-inhibits-l-type-ca-2-channels-and-contractility-in-rat-ventricular-myocytes
#11
Tao Song, Xi Chu, Xuan Zhang, Qiong Tao Song, Ying Zhang, Yuanyuan Zhang, Xue Han, Jianping Zhang, Li Chu
Bufalin is a bufanolide steroid compound in Chan Su. Chan Su is a traditional Chinese medicine prepared from the dried white secretion of the auricular and skin glands of toads, and has been used as an Oriental drug. However, the effect of bufalin on cardiac function and its underlying cellular mechanisms remain unclear. Here, we explore the cellular mechanisms of bufalin on myocardial protection via the whole-cell patch-clamp recording and video-based edge detection system. Exposure to bufalin resulted in a concentrated-dependent blockade of ICa-L , with the half-maximal inhibitory concentration (IC50 ) of 60 μM and the maximal inhibitory effect of 71...
January 11, 2017: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/28076758/polysaccharides-from-ganoderma-lucidum-promote-cognitive-function-and%C3%A2-neural-progenitor-proliferation-in-mouse-model-of-alzheimer-s-disease
#12
Shichao Huang, Jianxin Mao, Kan Ding, Yue Zhou, Xianglu Zeng, Wenjuan Yang, Peipei Wang, Cun Zhao, Jian Yao, Peng Xia, Gang Pei
Promoting neurogenesis is a promising strategy for the treatment of cognition impairment associated with Alzheimer's disease (AD). Ganoderma lucidum is a revered medicinal mushroom for health-promoting benefits in the Orient. Here, we found that oral administration of the polysaccharides and water extract from G. lucidum promoted neural progenitor cell (NPC) proliferation to enhance neurogenesis and alleviated cognitive deficits in transgenic AD mice. G. lucidum polysaccharides (GLP) also promoted self-renewal of NPC in cell culture...
January 10, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28074991/-factors-affecting-the-educational-environment-in-undergraduate-medical-schools
#13
Guisela Olave P, Cristhian Pérez V, Eduardo Fasce H, Liliana Ortiz M, Nancy Bastías V, Carolina Márquez U, Paula Parra P, Pilar Ibáñez G
BACKGROUND: Educational environment has an important effect on the quality of learning and student satisfaction in medicine. Most of previous studies have been conducted using questionnaires that assess the phenomenon considering overall dimensions, without paying attention to the specific manifestations of this topic, especially those aspects that are related to the protagonists of the learning process: teachers and students. AIM: To describe factors that affect the educational environment in the preclinical Medical formation, according to Medical teachers in Concepción, Chile...
October 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28066138/potentiation-of-decursinol-angelate-on-pentobarbital-induced-sleeping-behaviors-via-the-activation-of-gabaa-ergic-systems-in-rodents
#14
Jae Hoon Woo, Tae-Woo Ha, Jae-Seon Kang, Jin Tae Hong, Ki-Wan Oh
Angelicae Gigantis Radix (AGR, Angelica gigas) has been used for a long time as a traditional folk medicine in Korea and oriental countries. Decursinol angelate (DCA) is structurally isomeric decursin, one of the major components of AGR. This study was performed to confirm whether DCA augments pentobarbital-induced sleeping behaviors via the activation of GABAA-ergic systems in animals. Oral administration of DCA (10, 25 and 50 mg/kg) markedly suppressed spontaneous locomotor activity. DCA also prolonged sleeping time, and decreased the sleep latency by pentobarbital (42 mg/kg), in a dose-dependent manner, similar to muscimol, both at the hypnotic (42 mg/kg) and sub-hypnotic (28 mg/kg) dosages...
January 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28060984/-saints-in-medicine-during-the-great-wars-of-the-twentieth-century
#15
María Agustina Martini, Bárbara C Finn, Julio E Bruetman, Pablo Young
In the political and social context of World War periods and unstoppable technological advances, health professionals in the early twentieth century tried to orientate the practice of medicine towards a modern anthropological concept close to the biomedical perspective, which defends the dignity of a person. Threatened by the risks represented by collectivism and the meanness of the prevailing repressive governments, a personal struggle for the defense of life aroused, which was socially expressed by the advent of bioethics, psychoanalytic theories and the concept that environment has an important role in people’s health and welfare...
September 2016: Revista Médica de Chile
https://www.readbyqxmd.com/read/28046574/tu-h-206-01-an-automated-approach-for-identifying-geometric-distortions-in-gamma-cameras
#16
S Mann, J Nelson, E Samei
PURPOSE: To develop a clinically-deployable, automated process for detecting artifacts in routine nuclear medicine (NM) quality assurance (QA) bar phantom images. METHODS: An artifact detection algorithm was created to analyze bar phantom images as part of an ongoing QA program. A low noise, high resolution reference image was acquired from an x-ray of the bar phantom with a Philips Digital Diagnost system utilizing image stitching. NM bar images, acquired for 5 million counts over a 512×512 matrix, were registered to the template image by maximizing mutual information (MI)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28044459/species-level-identification-of-the-blowfly-chrysomya-megacephala-and-other-diptera-in-china-by-dna-barcoding
#17
Deyi Qiu, Charles E Cook, Qiaoyun Yue, Jia Hu, Xiaoya Wei, Jian Chen, Dexing Liu, Keliang Wu
The blowfly Chrysomya megacephala, or oriental latrine fly, is the most common human-associated fly of the oriental and Australasian regions. Chrysomya megacephala is of particular interest for its use in forensic entomology and because it is a disease vector. The larvae are economically important as feed for livestock and in traditional Chinese medicine. Identification of adults is straightforward, but larvae and fragments of adults are difficult to identify. We collected C. megacephala, its allies Chrysomya pinguis and Protophormia terraenovae, as well as flies from 11 other species from 52 locations around China, then sequenced 658 base pairs of the COI barcode region from 645 flies of all 14 species, including 208 C...
October 14, 2016: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/28032317/cinnamomulactone-a-new-butyrolactone-from-the-twigs-of-cinnamomum-cassia-and-its-inhibitory-activity-of-matrix-metalloproteinases
#18
Geum Jin Kim, Jong Yeong Lee, Hyun Gyu Choi, So Young Kim, Eonmi Kim, Sang Hee Shim, Joo-Won Nam, Sang-Hyun Kim, Hyukjae Choi
Cinnamomum cassia (Lauraceae) has long been used as one of the most frequently used traditional oriental medicines for the treatment of gastritis, diabetes, blood circulation disturbance and inflammatory diseases. Cinnamomulactone (1), a new butyrolactone was isolated from the twigs of C. cassia together with nine known compounds, coumarin (2), trans-cinnamic acid (3), cinnamaldehyde (4), 2-hydroxycinnamaldehyde (5), 2-methoxycinnamaldehyde (6), 2-hydroxy-cinnamyl alcohol (7), benzoic acid (8), (+)-syringaresinol (9) and phenethyl (E)-3-[4-methoxyphenyl]-2-propenoate (10)...
December 28, 2016: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/28032246/identification-and-characterization-of-diploid-and-tetraploid-in-platycodon-grandiflorum
#19
Jeoung-Hwa Shin, Yun Gyong Ahn, Ju-Hee Jung, Sun-Hee Woo, Hag-Hyun Kim, Shela Gorinstein, Hee-Ock Boo
Platycodon grandiflorum (PG), a species of herbaceous flowering perennial plant of the family Campanulaceae, has been used as a traditional oriental medicine for bronchitis, asthma, pulmonary tuberculosis, diabetes, hepatic fibrosis, bone disorders and many others similar diseases and as a food supplement. For the primary profiling of PG gas chromatography coupled with high resolution - time of flight mass spectrometry (GC/HR-TOF MS) was used as an analytical tool. A comparison of optimal extraction of metabolites was carried out with a number of solvents [hexane, methylene chloride, methanol, ethanol, methanol: ethanol (70:30, v:v)]...
December 28, 2016: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28031068/what-defines-mindfulness-based-programs-the-warp-and-the-weft
#20
R S Crane, J Brewer, C Feldman, J Kabat-Zinn, S Santorelli, J M G Williams, W Kuyken
There has been an explosion of interest in mindfulness-based programs (MBPs) such as Mindfulness-Based Stress Reduction (MBSR) and Mindfulness-Based Cognitive Therapy. This is demonstrated in increased research, implementation of MBPs in healthcare, educational, criminal justice and workplace settings, and in mainstream interest. For the sustainable development of the field there is a need to articulate a definition of what an MBP is and what it is not. This paper provides a framework to define the essential characteristics of the family of MBPs originating from the parent program MBSR, and the processes which inform adaptations of MBPs for different populations or contexts...
December 29, 2016: Psychological Medicine
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