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https://www.readbyqxmd.com/read/28938517/green-tea-camellia-sinensis-and-l-theanine-medicinal-values-and-beneficial-applications-in-humans-a-comprehensive-review
#1
REVIEW
Muhammad Saeed, Muhammad Naveed, Muhammad Arif, Mohib Ullah Kakar, Robina Manzoor, Mohamed Ezzat Abd El-Hack, Mahmoud Alagawany, Ruchi Tiwari, Rekha Khandia, Ashok Munjal, Kumaragurubaran Karthik, Kuldeep Dhama, Hafiz M N Iqbal, Maryam Dadar, Chao Sun
Green tea (Camellia sinensis) is a famous herb, and its extract has been extensively used in traditional Chinese medicinal system. In this context, several studies have revealed its health benefits and medicinal potentialities for several ailments. With ever increasing scientific knowledge, search for safer, potential and novel type of health-related supplements quest, scientists are re-directing their research interests to explore natural resources i.e. medicinal herbs/plant derived compounds. Green tea consumption has gained a special attention and popularity in the modern era of changing lifestyle...
September 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28938417/new-perspectives-on-pheochromocytoma-and-paraganglioma-towards-a-molecular-classification
#2
Joakim Crona, David Taïeb, Karel Pacak
A new molecular biology based taxonomy has been proposed for pheochromocytoma and paraganglioma (PPGL). Data from the Cancer Genome Atlas revealed clinically relevant prognostic and predictive biomarkers and stratified PPGLs into three main clusters. Each subgroup has a distinct molecular-biochemical-imaging signature. Concurrently, new methods for biochemical analysis, functional imaging, and medical therapies have also become available. The research community now strives to match the cluster biomarkers with the most superior intervention...
August 4, 2017: Endocrine Reviews
https://www.readbyqxmd.com/read/28938218/late-life-suicide-prevention-strategies-current-status-and-future-directions
#3
REVIEW
Kim Van Orden, Charlene Deming
Late life suicide prevention differs from suicide prevention for other age groups: first, the number of older adults worldwide is on the rise; second, late-life suicide receives much less attention in all societal spheres, from the media, to federal funding agencies, to healthcare initiatives. Recent findings indicate an association between internalized ageist stereotypes and reduced will to live. Recent research also addresses the role of cognitive control as a contributor to risk and as an intervention target (e...
September 8, 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28938122/genome-regulation-by-polycomb-and-trithorax-70-years-and-counting
#4
REVIEW
Bernd Schuettengruber, Henri-Marc Bourbon, Luciano Di Croce, Giacomo Cavalli
Polycomb (PcG) and Trithorax (TrxG) group proteins are evolutionarily conserved chromatin-modifying factors originally identified as part of an epigenetic cellular memory system that maintains repressed or active gene expression states. Recently, they have been shown to globally control a plethora of cellular processes. This functional diversity is achieved by their ability to regulate chromatin at multiple levels, ranging from modifying local chromatin structure to orchestrating the three-dimensional organization of the genome...
September 21, 2017: Cell
https://www.readbyqxmd.com/read/28937662/glucose-responsive-insulin-by-molecular-and-physical-design
#5
Naveed A Bakh, Abel B Cortinas, Michael A Weiss, Robert S Langer, Daniel G Anderson, Zhen Gu, Sanjoy Dutta, Michael S Strano
The concept of a glucose-responsive insulin (GRI) has been a recent objective of diabetes technology. The idea behind the GRI is to create a therapeutic that modulates its potency, concentration or dosing relative to a patient's dynamic glucose concentration, thereby approximating aspects of a normally functioning pancreas. From the perspective of the medicinal chemist, the GRI is also important as a generalized model of a potentially new generation of therapeutics that adjust potency in response to a critical therapeutic marker...
September 22, 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28937529/effects-of-propofol-on-wound-closure-and-barrier-function-of-cultured-endothelial-cells-an-in-vitro-experimental-study
#6
Karina Zitta, Lars Hummitzsch, Ole Broch, Matthias Gruenewald, Henning Ohnesorge, Kerstin Parczany, Markus Steinfath, Martin Albrecht
BACKGROUND: Propofol is widely used in routine clinical practice for the induction and maintenance of anaesthesia. Although propofol is regarded as a well tolerated anaesthetic, its effect on intact or damaged endothelial cells has not yet been elucidated. OBJECTIVE: The aim of this study was to investigate the effects of different concentrations of propofol on cell damage, metabolic activity, barrier function and wound healing capacity of human endothelial cells...
September 20, 2017: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/28937334/optimal-threshold-estimator-of-a-prognostic-marker-by-maximizing-a-time-dependent-expected-utility-function-for-a-patient-centered-stratified-medicine
#7
Etienne Dantan, Yohann Foucher, Marine Lorent, Magali Giral, Philippe Tessier
Defining thresholds of prognostic markers is essential for stratified medicine. Such thresholds are mostly estimated from purely statistical measures regardless of patient preferences potentially leading to unacceptable medical decisions. Quality-Adjusted Life-Years are a widely used preferences-based measure of health outcomes. We develop a time-dependent Quality-Adjusted Life-Years-based expected utility function for censored data that should be maximized to estimate an optimal threshold. We performed a simulation study to compare estimated thresholds when using the proposed expected utility approach and purely statistical estimators...
October 20, 2016: Statistical Methods in Medical Research
https://www.readbyqxmd.com/read/28936954/-role-of-serum-s1p-levels-during-asthma-attack-in-the-evaluation-of-asthma-severity
#8
Yunwei Zhao, Yiqin Xu, Shuang Li, Yu Wei, Chunling Wang
OBJECTIVE: To observe the changes of serum sphingosine-1-phosphate (S1P) level in asthmatic patients with different severity of bronchial asthma, and to explore the evaluation value of S1P on the severity of asthma. METHODS: A prospective observational study was conducted. Fifty-two patients with asthma admitted to Department of Respiratory Medicine of the First Affiliated Hospital of Jiamusi University from November 2015 to January 2017 were enrolled. According to the severity of the disease, the patients were divided into mild, moderate and severe groups...
September 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28936828/-efficacy-and-safety-of-smiltiorrhizadepsidesal-combined-with-conventional-western-medicine-treatment-for-stable-angina-pectoris
#9
Yuan Li, Lian-Xin Wang, Yan-Ming Xie
In recent years, Chinese patent medicines such as smiltiorrhizadepsidesal(SMDS) injection are combined with western medicine to achieve good clinical efficacy for stable angina pectoris(SAP). SMDS is prepared by the water-soluble active ingredients extracted from Salvia miltiorrhiza, with the functions of promoting blood circulation, removing blood stasis and activating blood vessels, and it is used to treat type ⅠSAP and type ⅡSAP. The efficacy and safety of SMDS combined with simple routine western medicine for SAP were investigated by searching PubMed, EMbase, the Cochrane Library, CNKI, VIP, WanFang Data and CBM Database...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28936695/early-application-of-airway-pressure-release-ventilation-may-reduce-the-duration-of-mechanical-ventilation-in-acute-respiratory-distress-syndrome
#10
Yongfang Zhou, Xiaodong Jin, Yinxia Lv, Peng Wang, Yunqing Yang, Guopeng Liang, Bo Wang, Yan Kang
PURPOSE: Experimental animal models of acute respiratory distress syndrome (ARDS) have shown that the updated airway pressure release ventilation (APRV) methodologies may significantly improve oxygenation, maximize lung recruitment, and attenuate lung injury, without circulatory depression. This led us to hypothesize that early application of APRV in patients with ARDS would allow pulmonary function to recover faster and would reduce the duration of mechanical ventilation as compared with low tidal volume lung protective ventilation (LTV)...
September 22, 2017: Intensive Care Medicine
https://www.readbyqxmd.com/read/28935954/process-signatures-in-glatiramer-acetate-synthesis-structural-and-functional-relationships
#11
Víctor R Campos-García, Daniel Herrera-Fernández, Carlos E Espinosa-de la Garza, German González, Luis Vallejo-Castillo, Sandra Avila, Leslie Muñoz-García, Emilio Medina-Rivero, Néstor O Pérez, Isabel Gracia-Mora, Sonia Mayra Pérez-Tapia, Rodolfo Salazar-Ceballos, Lenin Pavón, Luis F Flores-Ortiz
Glatiramer Acetate (GA) is an immunomodulatory medicine approved for the treatment of multiple sclerosis, whose mechanisms of action are yet to be fully elucidated. GA is comprised of a complex mixture of polypeptides with different amino acid sequences and structures. The lack of sensible information about physicochemical characteristics of GA has contributed to its comprehensiveness complexity. Consequently, an unambiguous determination of distinctive attributes that define GA is of highest relevance towards dissecting its identity...
September 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28935595/plasma-treatment-as-an-efficient-tool-for-controlled-drug-release-from-polymeric-materials-a-review
#12
REVIEW
D G Petlin, S I Tverdokhlebov, Y G Anissimov
One of the most actively developing fields in modern medicine is controlled drug delivery, an ability to keep optimal concentration of a drug at the desired body location. In particular, the most attention for potential use as drug delivery vehicles is drawn towards biodegradable polymeric materials. This is due to the versatility of tools for their fabrication, as well as due to the need to extract them after implantation being eliminated. In order to enhance polymer characteristics in terms of biocompatibility their surface can be functionalized...
September 18, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28935552/natural-products-applied-against-hydatid-cyst-protoscolices-a-review-of-past-to-present
#13
REVIEW
Mohammad Hasan Kohansal Koshki, Abbasali Nourian, Mohammad Taghi Rahimi, Ahmad Daryani, Adel Spotin, Ehsan Ahmadpour
Echinococcus granulosus is the causative agent of cystic echinococcosis (CE), which is distributed all around the world. CE is one of the most important global parasitic infectious diseases, both in humans and animals. This parasite causes hydatid cysts that can be lodge at different organs of host such as liver, lung even in heart and brain which may lead to death. Presently, numerous scolicidal chemical agents have been administrated for inactivation of the hydatid cyst contents. Because of increasing resistance and adverse effects of medications include abnormalities of liver function, abdominal pain, diarrhea, nausea, vomiting, dizziness, and headache; there is a need to find alternative therapies either with the least or without side effects...
September 18, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28935204/the-taishan-robinia-pseudoacacia-polysaccharides-enhance-immune-effects-of-rabbit-haemorrhagic-disease-virus-inactivated-vaccines
#14
Shifa Yang, Guiming Li, Zengcheng Zhao, Minyan Feng, Jian Fu, Zhongli Huang, Minxun Song, Shuqian Lin
Robinia pseudoacacia flower, a common component in traditional Chinese medicine, has long been well-known for its high pharmaceutical value. This study aimed to assess the immunopotentiating effects of Taishan Robinia Pseudoacacia polysaccharides (TRPPS) in rabbits inoculated with a rabbit haemorrhagic disease virus (RHDV) inactivated vaccine. The rabbits were administered with the RHDV vaccine in conjunction with varying concentrations of TRPPS, and their blood samples were collected at different time points to analyze the ratio and number of blood lymphocytes...
September 18, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28935152/i-ching-dyadic-groups-of-binary-numbers-and-the-geno-logic-coding-in-living-bodies
#15
REVIEW
Zhengbing Hu, Sergey V Petoukhov, Elena S Petukhova
The ancient Chinese book I-Ching was written a few thousand years ago. It introduces the system of symbols Yin and Yang (equivalents of 0 and 1). It had a powerful impact on culture, medicine and science of ancient China and several other countries. From the modern standpoint, I-Ching declares the importance of dyadic groups of binary numbers for the Nature. The system of I-Ching is represented by the tables with dyadic groups of 4 bigrams, 8 trigrams and 64 hexagrams, which were declared as fundamental archetypes of the Nature...
September 18, 2017: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/28933978/the-glycosidase-treatment-of-gentianae-scabrae-radix-converts-trifloroside-into-deglucosyltrifloroside-with-an-enhancement-of-antioxidative-effects
#16
Eun-Ju Yang, Ju-Gyeong Lee, Kyung-Sik Song
Herbal medicines were subjected to enzyme reaction by using a commercial glycosidase AMG-300L, and were evaluated for enhancement of their antioxidative activities. The methanolic extract of Gentianae Scabrae Radix (GSR) showed the most dramatic changes after enzyme reaction, as seen in the high-performance liquid chromatography profiles and an increase in the 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging effect. Trifloroside (1, TF) was identified as being significantly decreased by enzyme reaction, whereas deglucosyltrifloroside (2, DTF) increased...
September 21, 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28933856/understanding-the-coordination-modes-of-cu-acac-2-imidazole-n-1-2-adducts-by-epr-endor-hyscore-and-dft-analysis
#17
Nadine Ritterskamp, Katherine Sharples, Emma Richards, Andrea Folli, Mario Chiesa, James A Platts, Damien M Murphy
The interaction of imidazole with a [Cu(acac)2] complex was studied using electron paramagnetic resonance (EPR), electron nuclear double resonance (ENDOR), hyperfine sublevel correlation spectroscopy (HYSCORE), and density functional theory (DFT). At low Im ratios (Cu:Im 1:10), a 5-coordinate [Cu(acac)2Imn=1] monoadduct is formed in frozen solution with the spin Hamiltonian parameters g1 = 2.063, g2 = 2.063, g3 = 2.307, A1 = 26, A2 = 15, and A3 = 472 MHz with Im coordinating along the axial direction. At higher Im concentrations (Cu:Im 1:50), a 6-coordinate [Cu(acac)2Imn=2] bis-adduct is formed with the spin Hamiltonian parameters g1 = 2...
September 21, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28933792/a-common-haplotype-containing-functional-cacna1h-variants-is-frequently-coinherited-with-increased-tpsab1-copy-number
#18
Jonathan J Lyons, Stephanie C Stotz, Jack Chovanec, Yihui Liu, Katie L Lewis, Celeste Nelson, Thomas DiMaggio, Nina Jones, Kelly D Stone, Heejong Sung, Leslie G Biesecker, Michael A Colicos, Joshua D Milner
PurposeCaV3.2 signaling contributes to nociception, pruritus, gastrointestinal motility, anxiety, and blood pressure homeostasis. This calcium channel, encoded by CACNA1H, overlaps the human tryptase locus, wherein increased TPSAB1 copy number causes hereditary α-tryptasemia. Germ-line CACNA1H variants may contribute to the variable expressivity observed with this genetic trait.MethodsTryptase-encoding sequences at TPSAB1 and TPSB2, and TPSG1 and CACNA1H variants were genotyped in 46 families with hereditary α-tryptasemia syndrome...
September 21, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28933605/early-active-rehabilitation-after-arthroscopic-rotator-cuff-repair-a-prospective-randomized-pilot-study
#19
Rudolf Raschhofer, Nikos Poulios, Wolfgang Schimetta, Rüdiger Kisling, Christian Mittermaier
OBJECTIVE: To compare two different rehabilitation strategies, primary passive motion versus early isometric loading of the rotator cuff. DESIGN: Prospective randomized controlled observer-blinded pilot study. SETTING: Institute of Physical Medicine and Rehabilitation. SUBJECTS: Thirty patients after rotator cuff surgery. INTERVENTION: All participants were randomly assigned to one of the two outpatient treatment groups: primary passive motion versus early isometric loading of the rotator cuff...
October 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28933478/natural-product-modulators-of-human-sensations-and-mood-molecular-mechanisms-and-therapeutic-potential
#20
REVIEW
Tomáš Pluskal, Jing-Ke Weng
Humans perceive physical information about the surrounding environment through their senses. This physical information is registered by a collection of highly evolved and finely tuned molecular sensory receptors. A multitude of bioactive, structurally diverse ligands have evolved in nature that bind these molecular receptors. The complex, dynamic interactions between the ligands and the receptors lead to changes in our sensory perception or mood. Here, we review our current knowledge of natural products and their derived analogues that interact specifically with human G protein-coupled receptors, ion channels, and nuclear hormone receptors to modulate the sensations of taste, smell, temperature, pain, and itch, as well as mood and its associated behaviour...
September 21, 2017: Chemical Society Reviews
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