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https://www.readbyqxmd.com/read/28728596/implementation-of-longevity-promoting-supplements-and-medications-in-public-health-practice-achievements-challenges-and-future-perspectives
#1
REVIEW
Alexander Vaiserman, Oleh Lushchak
BACKGROUND: Most modern societies undergo rapid population aging. The rise in life expectancy, nevertheless, is not accompanied, to date, by the same increment of healthspan. Efforts to increase healthspan by means of supplements and pharmaceuticals targeting aging-related pathologies are presently in spotlight of a new branch in geriatric medicine, geroscience, postulating that aging could be manipulated in such a way that will in parallel allow delay the onset of all age-associated chronic disorders...
July 20, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28715245/enhanced-rutin-accumulation-in-tobacco-leaves-by-overexpressing-the-ntfls2-gene
#2
Junli Shi, Wenzheng Li, Yulong Gao, Bingwu Wang, Yong Li, Zhongbang Song
Rutin, one of the metabolites of the flavonoid pathway, shows great potential in industrial applications as a key component in pharmaceutical medicines and biological pesticides. Although the genetic manipulation of transcription factors (TFs) could increase rutin levels in plants, the accompanying accumulation of structurally similar chemicals complicates industrial rutin extraction. In this study, we demonstrated remarkably elevated rutin content (3.5-4.4-fold relative to controls) in transgenic tobacco plants by overexpressing NtFLS2...
July 17, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28698243/influence-of-de-qi-on-the-immediate-analgesic-effect-of-sp6-acupuncture-in-patients-with-primary-dysmenorrhoea-and-cold-and-dampness-stagnation-a-multicentre-randomised-controlled-trial
#3
Min-Yi Zhao, Peng Zhang, Jing Li, Lin-Peng Wang, Wei Zhou, Yan-Xia Wang, Yan-Fen She, Liang-Xiao Ma, Pei Wang, Ni-Juan Hu, Chi Lin, Shang-Qin Hu, Gui-Wen Wu, Ya-Feng Wang, Jun-Jun Sun, Si-Zhu Jiang, Jiang Zhu
OBJECTIVE: The aim of this multicentre randomised controlled trial was to investigate the contribution of de qi to the immediate analgesic effect of acupuncture in patients with primary dysmenorrhoea and the specific traditional Chinese medicine diagnosis cold and dampness stagnation. METHOD: Eighty-eight patients with primary dysmenorrhoea and cold and dampness stagnation were randomly assigned to de qi (n=43) or no de qi (n=45) groups and underwent 30 min of SP6 acupuncture...
July 11, 2017: Acupuncture in Medicine: Journal of the British Medical Acupuncture Society
https://www.readbyqxmd.com/read/28674807/an-efficient-transfection-method-for-differentiation-and-cell-proliferation-of-mouse-embryonic-stem-cells
#4
Jun-Yang Liou, Bor-Sheng Ko, Tzu-Ching Chang
Embryonic stem (ES) cells are an important source of stem cells in tissue engineering and regenerative medicine because of their high self-renewal capacities and differentiation potentials. However, the detailed molecular mechanisms controlling the differentiation and renewal programs in ES cells remained unclear. One of the difficulties in understanding these mechanisms substantially results from the low efficacies of gene manipulation by delivering exogenous gene expression or knockdown of endogenous gene expression with small interfering RNA (siRNA) in ES cells...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28673241/effects-of-melanin-from-sepiella-maindroni-ink-msmi-on-the-intestinal-microbiome-of-mice
#5
Hui Dong, Weiwei Song, Chunlin Wang, Changkao Mu, Ronghua Li
BACKGROUND: By the search for new natural compounds with beneficial health effects, cephalopod ink has been considered as an attempt to develop new drugs and functional foods, which is an especially active field in Asia, where cephalopods are a major fishery catch, for which ink sacs are a bi-product and where homeopathic medicine has deep roots. There is a demand to evaluate the safety and influence to the organism. The specific composition and relative abundance of the gut microbiota, which is potentially a major modulator of host metabolism, drives the interaction between functional foods and host health...
July 3, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28665819/targeting-ezh2-in-cancer-therapy
#6
Makoto Yamagishi, Kaoru Uchimaru
PURPOSE OF REVIEW: The present review introduces recent outstanding progress pertaining to Enhancer of zeste homolog 2 (EZH2), especially regarding its mode of action as a master regulator of chromatin, and provides molecular-based evidence for targeting EZH2 in cancer therapy. We discuss the active development of small molecules targeting the enzymatic activity of EZH2/polycomb repressive complex 2 (PRC2). RECENT FINDINGS: Genetic, transcriptional, and posttranscriptional dysregulation of EZH2 is frequently observed in many cancer types...
July 13, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28665581/pathways-to-structure-property-relationships-of-peptide-materials-interfaces-challenges-in-predicting-molecular-structures
#7
Tiffany R Walsh
An in-depth appreciation of how to manipulate the molecular-level recognition between peptides and aqueous materials interfaces, including nanoparticles, will advance technologies based on self-organized metamaterials for photonics and plasmonics, biosensing, catalysis, energy generation and harvesting, and nanomedicine. Exploitation of the materials-selective binding of biomolecules is pivotal to success in these areas and may be particularly key to producing new hierarchically structured biobased materials...
June 30, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28656709/zingiberis-siccatum-rhizoma-the-active-component-of-the-kampo-formula-daikenchuto-induces-anti-inflammatory-actions-through-%C3%AE-7-nicotinic-acetylcholine-receptor-activation
#8
M Endo, M Hori, T Mihara, H Ozaki, T Oikawa, H Odaguchi, T Hanawa
BACKGROUND: We previously reported that Daikenchuto (DKT), a gastrointestinal prokinetic Japanese herbal (Kampo) medicine used for the treatment of postoperative ileus (POI), has characteristic potent anti-inflammatory activity. This effect may be partly mediated by the activation of α7 nicotinic acetylcholine receptor (nAChR). In this study, we identified the specific herbs in DKT that induce anti-inflammatory action. METHODS: The herbal components of DKT were individually administered orally to each mouse four times before and after intestinal manipulation (IM) was carried out on the distal ileum...
June 28, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28649981/a-practical-and-catalyst-free-trifluoroethylation-reaction-of-amines-using-trifluoroacetic-acid
#9
Keith G Andrews, Radmila Faizova, Ross M Denton
Amines are a fundamentally important class of biologically active compounds and the ability to manipulate their physicochemical properties through the introduction of fluorine is of paramount importance in medicinal chemistry. Current synthesis methods for the construction of fluorinated amines rely on air and moisture sensitive reagents that require special handling or harsh reductants that limit functionality. Here we report practical, catalyst-free, reductive trifluoroethylation reactions of free amines exhibiting remarkable functional group tolerance...
June 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28649794/inverse-opal-scaffolds-and-their-biomedical-applications
#10
REVIEW
Yu Shrike Zhang, Chunlei Zhu, Younan Xia
Three-dimensional porous scaffolds play a pivotal role in tissue engineering and regenerative medicine by functioning as biomimetic substrates to manipulate cellular behaviors. While many techniques have been developed to fabricate porous scaffolds, most of them rely on stochastic processes that typically result in scaffolds with pores uncontrolled in terms of size, structure, and interconnectivity, greatly limiting their use in tissue regeneration. Inverse opal scaffolds, in contrast, possess uniform pores inheriting from the template comprised of a closely packed lattice of monodispersed microspheres...
June 26, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28648253/statistical-validation-of-1-h-nmr-protocol-vs-standard-biochemical-assay-in-quality-control-of-rbc-packed-units
#11
Thelma A Pertinhez, Emanuela Casali, Laura Zambianchi, Alberto Spisni, Roberto Baricchi
BACKGROUND: Time dependent quantification of endogenous metabolites in biological samples (blood, urine, biological tissues extracts) in normal and pathological conditions as well as following therapeutic protocols is well established. In the clinical practice, such a dynamic flux of information allows the physician to identify and appreciate alterations associated to biochemical pathways of specific organs. In the years, many biochemical assays have been developed to detect, selectively, this vast array of molecules...
June 15, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28643832/metasurface-integrated-high-energy-efficient-and-high-linearly-polarized-ingan-gan-light-emitting-diode
#12
Miao Wang, Fuyang Xu, Yu Lin, Bing Cao, Linghua Chen, Chinhua Wang, Jianfeng Wang, Ke Xu
We proposed and demonstrated an integrated high energy efficient and high linearly polarized InGaN/GaN green LED grown on (0001) oriented sapphire with combined metasurface polarizing converter and polarizer system. It is different from those conventional polarized light emissions generated with plasmonic metallic grating in which at least 50% high energy loss occurs inherently due to high reflection of the transverse electric (TE) component of an electric field. A reflecting metasurface, with a two dimensional elliptic metal cylinder array (EMCA) that functions as a half-wave plate, was integrated at the bottom of a LED such that the back-reflected TE component, that is otherwise lost by a dielectric/metal bi-layered wire grids (DMBiWG) polarizer on the top emitting surface of the LED, can be converted to desired transverse magnetic (TM) polarized emission after reflecting from the metasurface...
July 6, 2017: Nanoscale
https://www.readbyqxmd.com/read/28634952/high-throughput-3d-tumor-culture-in-a-recyclable-microfluidic-platform
#13
Wenming Liu, Jinyi Wang
Three-dimensional (3D) tumor culture miniaturized platforms are of importance to biomimetic model construction and pathophysiological studies. Controllable and high-throughput production of 3D tumors is desirable to make cell-based manipulation dynamic and efficient at micro-scale. Moreover, the 3D culture platform being reusable is convenient to research scholars. In this chapter, we describe a dynamically controlled 3D tumor manipulation and culture method using pneumatic microstructure-based microfluidics, which has potential applications in the fields of tissue engineering, tumor biology, and clinical medicine in a high-throughput way...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28632820/the-nexus-of-stem-cell-derived-beta-cells-and-genome-engineering
#14
Sara D Sackett, Aida Rodriguez, Jon S Odorico
Diabetes, type 1 and type 2 (T1D and T2D), are diseases of epidemic proportions, which are complicated and defined by genetics, epigenetics, environment, and lifestyle choices. Current therapies consist of whole pancreas or islet transplantation. However, these approaches require life-time immunosuppression, and are compounded by the paucity of available donors. Pluripotent stem cells have advanced research in the fields of stem cell biology, drug development, disease modeling, and regenerative medicine, and importantly allows for the interrogation of therapeutic interventions...
2017: Review of Diabetic Studies: RDS
https://www.readbyqxmd.com/read/28627365/mitochondria-metabolic-reprogramming-in-the-formation-of-neurons-from-peripheral-cells-cause-or-consequence-and-the-implications-to-their-utility
#15
REVIEW
Gary E Gibson, Ankita Thakkar
The induction of pluripotent stem cells (iPSC) from differentiated cells such as fibroblasts and their subsequent conversion to neural progenitor cells (NPC) and finally to neurons is intriguing scientifically, and its potential to medicine nearly infinite, but unrealized. A better understanding of the changes at each step of the transformation will enable investigators to use them better to model neurological disease. Each step of conversion from a differentiated cell to an iPSC to a NPC to neurons requires large changes in glycolysis including aerobic glycolysis, the pentose shunt, the tricarboxylic acid cycle, the electron transport chain and in the production of reactive oxygen species (ROS)...
June 13, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28621412/the-not-so-long-history-of-zebrafish-research-in-israel
#16
Janna Blechman, Gil Levkowitz, Yoav Gothilf
The zebrafish has become a model of choice in fundamental and applied life sciences and is widely used in various fields of biomedical research as a human disease model for cancer, metabolic and neurodegenerative diseases, and regenerative medicine. The transparency of the zebrafish embryo allows real-time visualization of the development and morphogenesis of practically all of its tissues and organs. Zebrafish are amenable to genetic manipulation, for which innovative genetic and molecular techniques are constantly being introduced...
2017: International Journal of Developmental Biology
https://www.readbyqxmd.com/read/28618993/new-perspectives-on-biomedical-applications-of-iron-oxide-nanoparticles
#17
Massimiliano Magro, Davide Baratella, Emanuela Bonaiuto, Jessica de Almeida Roger, Fabio Vianello
Iron oxide nanomaterials are considered promising tools for improved therapeutic efficacy and diagnostic applications in biomedicine. Accordingly, engineered iron oxide nanomaterials are increasingly proposed in biomedicine, and the interdisciplinary researches involving physics, chemistry, biology (nanotechnology) and medicine have led to exciting developments in the last decades. The progresses of the development of magnetic nanoparticles with tailored physico-chemical and surface properties produced a variety of clinically relevant applications, spanning from magnetic resonance imaging (MRI), drug delivery, magnetic hyperthermia, to in vitro diagnostics...
June 16, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28618985/dendrimers-general-aspects-applications-and-structural-exploitations-as-prodrug-drug-delivery-vehicles-in-current-medicine
#18
Merina Mariyam, Kajal Ghosal, Anne George, Sabu Thomas, Nandakumar Kalarikkal, Mahima S Latha
Dendrimers are hyper branched macro molecules with well-defined structure and high degree of functionality on the surface. The dendrimer architecture allows control over properties such as shape, size, density, polarity, reactivity, solubility etc. This can be manipulated to design molecules with desired properties in biomedical applications. Recent advancement in correlating structure to biodegradability and invivo performance opens up new avenue for these molecules in biological applications like drug delivery and tissue engineering...
May 11, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28616042/cerebral-mechanism-of-puncturing-at-he-mu-point-combination-for-functional-dyspepsia-study-protocol-for-a-randomized-controlled-parallel-trial
#19
Shuai Yin, Yuan Chen, Du Lei, Rui-Rui Sun, Ting-Ting Ma, Pei-Min Feng, Zhao-Xuan He, Xue-Ling Suo, Pei-Hong Ma, Yu-Zhu Qu, Ke Qiu, Miao-Miao Jing, Qi-Yong Gong, Fan-Rong Liang, Jiao Chen, Fang Zeng
Acupuncture is widely used to treat functional dyspepsia with satisfactory outcomes. Combination of the He and Mu acupoints is commonly used and has a synergistic effect on functional dyspepsia; however, its underlying mechanisms remain unclear. Therefore, a randomized controlled parallel clinical trial is currently underway at Chengdu University of Traditional Chinese Medicine, China. This trial is designed to explore the efficacy of and central responses to the He-Mu point combination in patients with functional dyspepsia using functional magnetic resonance imaging...
May 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28614379/microbiome-restoration-diet-improves-digestion-cognition-and-physical-and-emotional-wellbeing
#20
Kate Lawrence, Jeannette Hyde
Manipulating gut bacteria in the microbiome, through the use of probiotics and prebiotics, has been found to have an influence on both physical and emotional wellbeing. This study uses a dietary manipulation 'The Gut Makeover' designed to elicit positive changes to the gut bacteria within the microbiome. 21 healthy participants undertook 'The Gut Makeover' for a four week period. Weight and various aspects of health were assessed pre and post intervention using the Functional Medicine Medical Symptoms Questionnaire (MSQ)...
2017: PloS One
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