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Rational Use of medicines

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https://www.readbyqxmd.com/read/28441481/best-practices-of-computer-aided-drug-discovery-cadd-lessons-learned-from-the-development-of-a-preclinical-candidate-for-prostate-cancer-with-a-new-mechanism-of-action
#1
Fuqiang Ban, Kush Dalal, Huifang Li, Eric LeBlanc, Paul S Rennie, Artem Cherkasov
Small-molecule drug design is a complex and iterative decision-making process relying on pre-existing knowledge and driven by experimental data. Low molecular weight chemicals represent an attractive therapeutic option as they are readily accessible to organic synthesis and can easily be characterized.1 Their potency, as well as pharmacokinetic and pharmacodynamic properties can be systematically and rationally investigated, and ultimately optimized via expert science behind medicinal chemistry and methods of computer-aided drug design (CADD)...
April 25, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28423890/physicochemical-characteristics-and-fatty-acid-profiles-of-muscle-tissues-from-hanwoo-steers-fed-a-total-mixed-ration-supplied-with-medicinal-plant-by-products
#2
Shin Ja Lee, Do Hyung Kim, Han Sul Yang, Ki Chang Nam, Seung Kyu Ahn, Sung Kwon Park, Chang Weon Choi, Sung Sill Lee
Objective: Using medicinal plant by-products (MPBP) as feed additives may be an eco-friendly option as substitutes for feedstuffs and may assist in reducing the improper disposal of MPBP. Therefore, this study was conducted to evaluate the influences of medicinal plant by-products on the meat quality of Hanwoo steers fed a total mixed ration (TMR). Methods: Twenty seven steers (BW = 573 ± 57 kg) were randomly divided into three treatments with a control group and two tested groups as follows: control, 1000 g/kg TMR; treatment 1 (MPBP30), 970 g/kg TMR and 30 g/kg MPBP; treatment 2 (MPBP50), 950 g/kg TMR and 50 g/kg MPBP...
March 25, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28412804/-status-and-analysis-of-off-label-drug-use-in-department-of-ophthalmology
#3
F R Han, H Y Zhao, L Li, J W Wang
Objective: To investigate and analyze the status of off-label drug use in department of ophthalmology of Beijing Tongren Hospital. Methods: Cross-sectional study. Prescription evaluation, off-label drug use application and temporary medicine purchase application were collected from January 2013 to March 2015. The off-label use of medication in department of ophthalmology were filtered out and analyzed according to the category of medications, the category of the off-label use of medication and the strength of evidence for the off-label use of medication...
April 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28404519/proteasome-inhibitors-to-alleviate-aberrant-ikbkap-mrna-splicing-and-low-ikap-help1-synthesis-in-familial-dysautonomia
#4
Mylène Hervé, El Chérif Ibrahim
FD is a rare neurodegenerative disorder caused by a mutation of the IKBKAP gene, which induces low expression levels of the Elongator subunit IKAP/hELP1 protein. A rational strategy for FD treatment could be to identify drugs increasing IKAP/hELP1 expression levels by blocking protein degradation pathways such as the 26S proteasome. Proteasome inhibitors are promising molecules emerging in cancer treatment and could thus constitute an enticing pharmaceutical strategy for FD treatment. Therefore, we tested three proteasome inhibitors on FD human olfactory ecto-mesenchymal stem cells (hOE-MSCs): two approved by the Food and Drug Administration (FDA) and European Medicines Agency (EMA), bortezomib and carfilzomib, as well as epoxomicin...
April 9, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28400638/self-medication-for-acne-among-undergraduate-medical-students
#5
Varshaben Vejabhai Karamata, A M Gandhi, P P Patel, M K Desai
AIMS: This study aims to evaluate the knowledge and pattern of self-medication for acne among undergraduate medical students at a tertiary care teaching hospital. MATERIALS AND METHODS: This cross-sectional study was conducted in II MBBS (Group A), III MBBS Part I (Group B), and III MBBS Part II (Group C) students. Prevalidated questionnaire about knowledge, attitude, and practice of self-medication were administered to participants. Data were analyzed using one-way analysis of variance and Chi-square test...
March 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28398072/the-reactive-species-interactome-evolutionary-emergence-biological-significance-and-opportunities-for-redox-metabolomics-and-personalized-medicine
#6
Miriam Margherita Cortese-Krott, Anne Koning, Gunter Georg Kuhnle, Peter Nagy, Christopher Bianco, Andreas Pasch, David A Wink, Jon Fukuto, Alan A Jackson, Harry van Goor, Kenneth R Olson, Martin Feelisch
SIGNIFICANCE: Oxidative stress is thought to account for aberrant redox homeostasis and contribute to aging and disease. However, more often than not administration of antioxidants is ineffective, suggesting our current understanding of the underlying regulatory processes is incomplete. Recent Advances. Similar to reactive oxygen and nitrogen species (ROS, RNS), reactive sulfur species (RSS) are now emerging as important signaling molecules, targeting regulatory cysteine redox switches in proteins, affecting gene regulation, ion transport, intermediary metabolism and mitochondrial function...
April 11, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28397057/clinical-application-analysis-of-andrographolide-total-ester-sulfonate-injection-a-traditional-chinese-medicine-licensed-in-china
#7
Ying Zhao, Pu Huang, Zhe Chen, Si-Wei Zheng, Jin-Yang Yu, Chen Shi
Andrographolide total ester sulfonate (ATES) injection is one of the products of traditional Chinese medicine (TCM) currently used against viral infection in China. ATES injection was approved for manufacturing and marketing in January 2002. It is indicated for acute respiratory infections, tonsillitis, chronic obstructive pulmonary disease, influenza, foot and mouth disease, bronchiolitis, herpangina, mumps, infectious mononucleosis and psychosis. However, its usage also carries risk. We investigated the use of ATES at the Wuhan Union Hospital from January 2014 to December 2014 and evaluated its real-world clinical application using the hospital centralized monitoring method...
April 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28393856/toward-a-scientific-understanding-of-the-effectiveness-material-basis-and-prescription-compatibility-of-a-chinese-herbal-formula-dan-hong-injection
#8
Panlin Li, Weiwei Su, Sha Yun, Yiqiu Liao, Yinyin Liao, Hong Liu, Peibo Li, Yonggang Wang, Wei Peng, Hongliang Yao
Since traditional Chinese medicine (TCM) is a complex mixture of multiple components, the application of methodologies for evaluating single-components Western medicine in TCM studies may have certain limitations. Appropriate strategies that recognize the integrality of TCM and connect to TCM theories remain to be developed. Here we use multiple unique approaches to study the scientific connotation of a TCM formula Dan-hong injection (DHI) without undermining its prescription integrity. The blood circulation improving and healing promoting effects of DHI were assessed by a qi stagnation blood stasis rat model and a mouse model of laser irradiation induced cerebral microvascular thrombosis...
April 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28388297/cancer-transcriptome-dataset-analysis-comparing-methods-of-pathway-and-gene-regulatory-network-based-cluster-identification
#9
Seungyoon Nam
Cancer transcriptome analysis is one of the leading areas of Big Data science, biomarker, and pharmaceutical discovery, not to forget personalized medicine. Yet, cancer transcriptomics and postgenomic medicine require innovation in bioinformatics as well as comparison of the performance of available algorithms. In this data analytics context, the value of network generation and algorithms has been widely underscored for addressing the salient questions in cancer pathogenesis. Analysis of cancer trancriptome often results in complicated networks where identification of network modularity remains critical, for example, in delineating the "druggable" molecular targets...
April 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28372823/defining-precision-the-precision-medicine-initiative-trials-nci-mpact-and-nci-match
#10
Geraldine O'Sullivan Coyne, Naoko Takebe, Alice P Chen
"Precision" trials, using rationally incorporated biomarker targets and molecularly selective anticancer agents, have become of great interest to both patients and their physicians. In the endeavor to test the cornerstone premise of precision oncotherapy, that is, determining if modulating a specific molecular aberration in a patient's tumor with a correspondingly specific therapeutic agent improves clinical outcomes, the design of clinical trials with embedded genomic characterization platforms which guide therapy are an increasing challenge...
February 11, 2017: Current Problems in Cancer
https://www.readbyqxmd.com/read/28368852/biomedical-applications-of-nanodiamond-review
#11
Kostiantyn Turcheniuk, Vadym Mochalin
The interest to applications of nanodiamond in biology and medicine is on the rise over the recent years. This is due to the unique combination of properties that nanodiamond provides. Small size (~ 5 nm), low cost, scalable production, negligible toxicity, chemical inertness of diamond core and rich chemistry of nanodiamond surface, as well as bright and robust fluorescence resistant to photobleaching are the distinct parameters that render nanodiamond superior to any other nanomaterial when it comes to biomedical applications...
April 3, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28364251/allosteric-modulation-model-of-the-mu-opioid-receptor-by-herkinorin-a-potent-not-alkaloidal-agonist
#12
A F Marmolejo-Valencia, K Martínez-Mayorga
Modulation of opioid receptors is the primary choice for pain management and structural information studies have gained new horizons with the recently available X-ray crystal structures. Herkinorin is one of the most remarkable salvinorin A derivative with high affinity for the mu opioid receptor, moderate selectivity and lack of nitrogen atoms on its structure. Surprisingly, binding models for herkinorin are lacking. In this work, we explore binding models of herkinorin using automated docking, molecular dynamics simulations, free energy calculations and available experimental information...
March 31, 2017: Journal of Computer-aided Molecular Design
https://www.readbyqxmd.com/read/28363522/reversal-of-multidrug-resistance-by-marsdenia-tenacissima-and-its-main-active-ingredients-polyoxypregnanes
#13
Kenneth K W To, Xu Wu, Chun Yin, Stella Chai, Sheng Yao, Onat Kadioglu, Thomas Efferth, Yang Ye, Ge Lin
ETHNOPHARMACOLOGICAL RELEVANCE: Multidrug resistance (MDR) of cancer is often associated with the overexpression of ATP-binding cassette (ABC) transporters, such as P-glycoprotein (P-gp), multidrug resistance-associated protein-1 (MRP-1) and breast cancer resistance protein (BCRP or ABCG2), in cancer cells, which facilitates the active efflux of a wide variety of chemotherapeutic drugs out of the cells. Marsdenia tenacissima is a traditional Chinese medicinal herb that has long been clinically used for treatment of cancers, particularly in combinational use with anticancer drugs...
May 5, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28357128/impact-of-comorbidity-on-adverse-drug-reaction-profile-in-a-cohort-of-patients-treated-with-artemisinin-combination-therapies-for-uncomplicated-malaria-in-nigeria
#14
Peter U Bassi, Adeline I Osakwe, Comfort K Ogar, Cassandra Elagbaje, Biyaya B Nwankwo, Sulayman T Balogun, Godwin N Ntadom, Ambrose O Isah
Artemisinin-based combination antimalarial therapy (ACTs), is still highly effective in uncomplicated falciparum malaria, however, there remain some concerns in relation to its safety and tolerability. Comorbid disease conditions may influence susceptibility to adverse drug reactions (ADRs) as the presence of multiple disease conditions may predisposes patients to ADRs due to the use of many medicines. There is therefore need to assess the impact of comorbidities on the ADR profile of malaria patients treated with ACTs...
April 2017: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28347309/chemical-composition-and-pharmacological-activities-of-pisum-sativum
#15
Md Nazmul Hasan Zilani, Tamanna Sultana, S M Asabur Rahman, Md Anisuzzman, Md Amirul Islam, Jamil A Shilpi, Md Golam Hossain
BACKGROUND: Consumption of vegetables has been proven to be effective in the prevention of different diseases. Traditionally edible aerial part of Pisum sativum L. subsp. sativum (Fabaceae) is used to treat diabetes, heart diseases and as blood purifier. Present study was aimed to explore the traditional use of aerial parts of P. sativum as a source of antidiabetic agent. In addition, antioxidant activity and chemical composition was carried out. METHODS: Total polyphenol content was spectrophotometrically determined using Folin Chiocalteu's reagent while the flavonoids by aluminum chloride colorimetric assay...
March 27, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28345371/ewma-document-negative-pressure-wound-therapy
#16
Jan Apelqvist, Christian Willy, Ann-Mari Fagerdahl, Marco Fraccalvieri, Malin Malmsjö, Alberto Piaggesi, Astrid Probst, Peter Vowden
1. Introduction Since its introduction in clinical practice in the early 1990's negative pressure wounds therapy (NPWT) has become widely used in the management of complex wounds in both inpatient and outpatient care.(1) NPWT has been described as a effective treatment for wounds of many different aetiologies(2,3) and suggested as a gold standard for treatment of wounds such as open abdominal wounds,(4-6) dehisced sternal wounds following cardiac surgery(7,8) and as a valuable agent in complex non-healing wounds...
March 1, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28333241/dysmorphic-patterns-are-associated-with-cytoskeletal-alterations-in-human-oocytes
#17
Mariabeatrice Dal Canto, Maria Cristina Guglielmo, Mario Mignini Renzini, Rubens Fadini, Clarissa Moutier, Maria Merola, Elena De Ponti, Giovanni Coticchio
STUDY QUESTION: Are specific morphological anomalies in human mature oocytes, as revealed by transmitted light microscopy, associated with intrinsic damage to the meiotic spindle and actin cytoskeleton? SUMMARY ANSWER: Aggregates of smooth endoplasmic reticulum (SER) and domains of centrally localized granular cytoplasm (GC) reflect intrinsic damage to the oocyte cytoskeleton, namely alterations in spindle size, chromosome misalignment and cortical actin disorganization...
April 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333136/targeting-3-phosphoinositide-dependent-protein-kinase-1-associated-with-drug-resistant-renal-cell-carcinoma-using-new-oridonin-analogs
#18
Jiancheng Zhou, Eun-Jin Yun, Wei Chen, Ye Ding, Kaijie Wu, Bin Wang, Chunyong Ding, Elizabeth Hernandez, John Santoyo, Rey-Chen Pong, Haiying Chen, Dalin He, Jia Zhou, Jer-Tsong Hsieh
The current agents used for renal cell carcinoma (RCC) only exhibit the moderate response rate among patients. Development of drug resistance eventually fuels the need of either more potent drugs or new drugs to target the resistant pathways. Oridonin is a diterpenoid isolated from the Chinese medicinal herb Rabdosia rubescens and has been shown to have antitumor activities in many cancers. We previously developed new synthetic methodologies to modify structurally diversified diterpenoids and designed a series of nitrogen-enriched oridonin analogs...
March 23, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28325179/pain-management-in-horses
#19
REVIEW
Alonso Guedes
There has been great progress in the understanding of basic neurobiologic mechanisms of pain, but this body of knowledge has not yet translated into new and improved analgesics. Progress has been made regarding pain assessment in horses, but more work is needed until sensitive and accurate pain assessment tools are available for use in clinical practice. This review summarizes and updates the knowledge concerning the cornerstones of pain medicine (understand, assess, prevent, and treat). It highlights the importance of understanding pain mechanisms and expressions to enable a rational approach to pain assessment, prevention, and management in the equine patient...
April 2017: Veterinary Clinics of North America. Equine Practice
https://www.readbyqxmd.com/read/28317245/efficient-discovery-of-quality-control-markers-for-gastrodia-elata-tuber-by-fingerprint-efficacy-relationship-modelling
#20
Mingfang Li, Yuan Du, Long Wang, Lilong Jiang, Xiaodong Ma, Ping Zhou, Ping Li, Huijun Li
INTRODUCTION: Gastrodia elata tuber (GET) has been widely used in China as a famous herbal medicine. However, the quality control markers (QCMs) for GET still need further investigation. OBJECTIVE: To develop a rational strategy based on fingerprint-efficacy relationship modelling to discover the efficacy-related QCMs, using GET as a case study. METHODOLOGY: The high-performance liquid chromatography (HPLC) fingerprints of 13 batches of GET extracts were established and 10 common peaks were structurally characterised by HPLC coupled with quadrupole time-of-flight mass spectrometry (QTOF-MS)...
March 20, 2017: Phytochemical Analysis: PCA
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