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https://www.readbyqxmd.com/read/29786901/degradable-polymers-and-nanoparticles-built-from-salicylic-acid
#1
Saeed Akkad, Christopher J Serpell
As more evidence emerges supporting the possibility that nonsteroidal anti-inflammatory drugs, especially aspirin (acetyl salicylic acid), might have a role in the prevention and management of certain types of cancer, there have been several attempts to fabricate salicylic acid-based polymers that can be employed in the targeted therapy of tumors. The primary disadvantage so far has been in use of nontherapeutic polymeric backbones that constitute the majority of the therapeutic particle's size. The focus of this research is the creation of a biodegradable polymer consisting only of salicylic acid, and its use as the main building block in targeted nanotherapeutics that would consequently provide both high local dose and sustained release of the active moiety...
May 22, 2018: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/29781353/clinical-trials-with-multiple-endpoints-can-establish-a-correlation-but-not-yet-causality-between-dietary-supplementation-with-omega-3-fatty-acids-and-keratoconjunctivitis-sicca
#2
Roger Lee Mendoza
AIM: We review clinical evidence of therapeutic efficacy and effectiveness of omega-3 fatty acids (omega-3s) in keratoconjunctivitis sicca, colloquially known as dry eye disease. In doing so, we identify relevant literature to address the following questions: 1) What definitive guidance can clinical evidence offer eye physicians and their patients? 2) What aspects of omega-3 supplementation lack definitive evidence, and how might economic assessments help? METHODS: A targeted and systematic search strategy based on PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) was designed in this study for refereed clinical trials of omega-3s in dry eye treatment...
May 21, 2018: Journal of Medical Economics
https://www.readbyqxmd.com/read/29781069/dual-and-triple-antithrombotic-therapies-current-patterns-of-practice-and-controversies
#3
Mark Crowther, John Eikelboom
Dual antiplatelet therapy (DAPT) has been the cornerstone of antithrombotic management for patients undergoing percutaneous coronary intervention (PCI). Despite low-quality evidence, triple antithrombotic therapy involving acetylsalicylic acid, clopidogrel and warfarin or non-vitamin K antagonist oral anticoagulant (NOAC) has been recommended in patients with concomitant atrial fibrillation undergoing PCI, who require long-term oral anticoagulation, although such strategy is associated with a substantially increased risk of bleeding compared with DAPT...
May 21, 2018: Kardiologia Polska
https://www.readbyqxmd.com/read/29780901/nocardial-scleritis-a-case-report-and-a-suggested-algorithm-for-disease-management-based-on-a-literature-review
#4
Laura Pires da Cunha, Verena Juncal, Cecília Godoy Carvalhaes, Sylvia Cardoso Leão, Erica Chimara, Denise Freitas
Purpose: To report a case of nocardial scleritis and to propose a logical treatment algorithm based on a literature review. Observations: It is important to suspect a nocardial infection when evaluating anterior unilateral scleritis accompanied by multiple purulent or necrotic abscesses, especially in male patients with a history of chronic ocular pain and redness, trauma inflicted by organic materials, or recent ophthalmic surgery. A microbiological investigation is essential...
June 2018: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29777151/integrated-proteomics-genomics-metabolomics-approaches-reveal-oxalic-acid-as-pathogenicity-factor-in-tilletia-indica-inciting-karnal-bunt-disease-of-wheat
#5
Vishakha Pandey, Manoj Singh, Dinesh Pandey, Anil Kumar
Tilletia indica incites Karnal bunt (KB) disease in wheat. To date, no KB resistant wheat cultivar could be developed due to non-availability of potential biomarkers related to pathogenicity/virulence for screening of resistant wheat genotypes. The present study was carried out to compare the proteomes of T. indica highly (TiK) and low (TiP) virulent isolates. Twenty one protein spots consistently observed as up-regulated/differential in the TiK proteome were selected for identification by MALDI-TOF/TOF. Identified sequences showed homology with fungal proteins playing essential role in plant infection and pathogen survival, including stress response, adhesion, fungal penetration, invasion, colonization, degradation of host cell wall, signal transduction pathway...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29776628/molecular-pathology-techniques-advances-in-2018
#6
REVIEW
Mark J Bluth, Martin H Bluth
Molecular pathology techniques continue to evolve. Although polymerase chain reaction (PCR) remains the cornerstone methodology for nucleic acid amplification, improvements in nucleic acid detection methodologies (i.e. PCR) have increased the detection sensitivity by using fluorescent and bead based array technologies. Single base pair lesions can be detected via sequencing and related techniques to discern point mutations in disease pathogenesis. Novel technologies, such as high- resolution melting analysis, provide fast high throughput post PCR analysis of genetic mutations or variance in nucleic acid sequences...
June 2018: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/29775695/pulsatilla-decoction-inhibits-candida-albicans-proliferation-and-adhesion-in-a-mouse-model-of-vulvovaginal-candidiasis-via-the-dectin-1-signaling-pathway
#7
Lilin Yang, Haiwang Wu, Weiyu Qiu, Longyi Guo, Xin Du, Qingying Yu, Jie Gao, Songping Luo
ETHNOPHARMACOLOGICAL RELEVANCE: Pulsatilla decoction (PD) is a classical prescription in Traditional Chinese Medicine (TCM) and has been reported to have inhibitory effects on Candida albicans proliferation. STUDY AIM: To investigate the therapeutic effects of PD in the treatment of Vulvovaginal candidiasis (VVC) and elucidate the potential mechanism. MATERIALS AND METHODS: Female BALB/c mice (N=90) were randomized to six treatment groups, including the Control group, Model group, three PD groups and Fluconazole group which served as a positive control (20mg/kg weekly)...
May 15, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29772177/capture-ferment-upgrade-a-three-step-approach-for-the-valorization-of-sewage-organics-as-commodities
#8
Abbas Alloul, Ramon Ganigue, Marc Spiller, Francis A Meerburg, Cristina Cagnetta, Korneel Rabaey, Siegfried E Vlaeminck
This critical review outlines a roadmap for the conversion of chemical oxygen demand (COD) contained in sewage to commodities based on three-steps: capture COD as sludge, ferment it to volatile fatty acids (VFA), and upgrade VFA to products. The article analyzes the state-of-the-art of this three-step approach and discusses the bottlenecks and challenges. The potential of this approach is illustrated for the European Union's 28 member states (EU-28) through Monte Carlo simulations. High-rate contact stabilization captures the highest amount of COD (66-86 gCOD person equivalent-1 day-1 in 60% of the iterations)...
May 17, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29769740/identification-of-a-s-aureus-virulence-factor-by-activity-based-protein-profiling-abpp
#9
Christian S Lentz, Jessica R Sheldon, Lisa A Crawford, Rachel Cooper, Megan Garland, Manuel R Amieva, Eranthie Weerapana, Eric P Skaar, Matthew Bogyo
Serine hydrolases play diverse roles in regulating host-pathogen interactions in a number of organisms, yet few have been characterized in the human pathogen Staphylococcus aureus. Here we describe a chemical proteomic screen that identified ten previously uncharacterized S. aureus serine hydrolases that mostly lack human homologs. We termed these enzymes fluorophosphonate-binding hydrolases (FphA-J). One hydrolase, FphB, can process short fatty acid esters, exhibits increased activity in response to host cell factors, is located predominantly on the bacterial cell surface in a subset of cells, and is concentrated in the division septum...
May 16, 2018: Nature Chemical Biology
https://www.readbyqxmd.com/read/29765379/-vitis-vinifera-l-fruit-diversity-to-breed-varieties-anticipating-climate-changes
#10
Antoine Bigard, Dargie T Berhe, Eleonora Maoddi, Yannick Sire, Jean-Michel Boursiquot, Hernan Ojeda, Jean-Pierre Péros, Agnès Doligez, Charles Romieu, Laurent Torregrosa
The wine industry is facing critical issues due to climate changes since production is established on very tight Genotype × Environment interaction bases. While, some cultivation practices may reduce adverse effects of abiotic stresses on the vines, e.g., the use of irrigation to mitigate drought, the deleterious impacts of warming on fruit development are difficult to manage. Elevated temperature alters grapevine fruit growth and composition, with a critical increase of the sugars/organic acids ratio. Select grapes with improved metabolite balances to offset high temperature effects is a valuable option to sustain viticulture...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29765296/peripartum-haemorrhage-haemostatic-aspects-of-the-new-german-pph-guideline
#11
REVIEW
Heiko Lier, Christian von Heymann, Wolfgang Korte, Dietmar Schlembach
Summary Peripartum haemorrhage remains one of the main causes of maternal mortality world-wide. The German, Austrian and Swiss Societies of Gynaecology and Obstetrics have updated the current guidelines for the treatment of peripartum haemorrhage together with the German Society of Anaesthesiology and Intensive Care Medicine and the Society of Thrombosis and Haemostasis Research. The recommendations have been the result of a thorough review of the available scientific literature and a consensus process involving all members of the guideline group...
April 2018: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/29764933/discovery-of-peroxisome-proliferator-activated-receptor-%C3%AE-ppar%C3%AE-activators-with-a-ligand-screening-system-using-a-human-ppar%C3%AE-expressing-cell-line
#12
Keisuke Tachibana, Tomohiro Yuzuriha, Ryotaro Tabata, Syohei Fukuda, Takashi Maegawa, Rika Takahashi, Keiichi Tanimoto, Hirofumi Tsujino, Kazuto Nunomura, Bangzhong Lin, Yoshiharu Matsuura, Toshiya Tanaka, Takao Hamakubo, Juro Js Sakai, Tatsuhiko Kodama, Tadayuki Kobayashi, Kenji Ishimoto, Hiroyuki Miyachi, Takefumi Doi
Peroxisome proliferator-activated receptor alpha (PPARα) is a ligand-activated transcription factor that belongs to the superfamily of nuclear hormone receptors. PPARα is mainly expressed in the liver, where it activates fatty acid oxidation and lipoprotein metabolism and improves plasma lipid profiles. Therefore, PPARα activators are often used to treat patients with dyslipidemia. To discover additional PPARα activators as potential compounds for use in hypolipidemic drugs, here we established human hepatoblastoma cell lines with luciferase reporter expression from the promoters containing peroxisome proliferator responsive elements (PPRE) and tetracycline-regulated expression of full-length human PPARα to quantify the effects of chemical ligands on PPARα activity...
May 15, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29761928/systematic-review-of-hypersensitivity-to-parenteral-nutrition
#13
REVIEW
Vikram J Christian, Matthew Tallar, Cassandra L S Walia, Rita Sieracki, Praveen S Goday
Hypersensitivity to the components of parenteral nutrition (PN) is a rare but important complication of PN. We performed a systematic review of hypersensitivity to PN to enable us to build an approach to the individual patient who presents with PN hypersensitivity. A systematic literature search was performed in Ovid Medline, CINAHL, Scopus, and Web of Science using terms for "hypersensitivity" AND "parenteral nutrition" and relevant synonyms. A total of 28 articles were analyzed, and 33 hypersensitivities to PN or components of PN were reported in these 28 articles...
May 15, 2018: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29760783/minor-digestive-symptoms-and-their-impact-in-the-general-population-a-cluster-analysis-approach
#14
Diane L'Heureux-Bouron, Sophie Legrain-Raspaud, Helen R Carruthers, P J Whorwell
Background: The classification and treatment of patients who do not meet the criteria for a functional gastrointestinal (GI) disorder has not been well established. This study aimed to record the prevalence of minor digestive symptoms (MDSs) in the general population attempting to divide them into symptom clusters as well as trying to assess their impact and the way sufferers cope with them. Methods: Following face-to-face interviews, a web-based, self-administered questionnaire was designed to capture a range of GI sensations using 34 questions and 12 images depicting abdominal symptoms...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29752091/tunable-sequential-drug-delivery-system-based-on-chitosan-hyaluronic-acid-hydrogels-and-plga-microspheres-for-management-of-non-healing-infected-wounds
#15
Jinjian Huang, Jianan Ren, Guopu Chen, Zongan Li, Yan Liu, Gefei Wang, Xiuwen Wu
Treatment of non-healing infected wounds is an arduous task in clinical practice. Early antibacterial strategy and subsequent promotion of granulation tissue growth facilitate to cure the wounds. For this purpose, we fabricated a sequential drug delivery system by incorporation of an injectable hydrogel with porous PLGA microspheres. Vancomycin was linked to the injectable hydrogel via the reversible Schiff's base reaction, and VEGF were encapsulated into PLGA microspheres. After adding vancomycin, the strength and elasticity of the hydrogel were improved, and the gelation time was shortened...
August 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29751418/in-vitro-ppar%C3%AE-agonistic-potential-of-chitin-synthesis-inhibitors-and-their-energy-metabolism-related-hepatotoxicity
#16
Xia Ning, Tingting Ku, Rui Gao, Xiaotong Ji, Guangke Li, Nan Sang
The extensive use of chitin synthesis inhibitors (CSIs) in integrated pest management programs has a detrimental effect on the surrounding environment. Recent studies reveal that CSIs may affect non-target organisms at sublethal concentrations, highlighting the need for further ecological and health risk investigations of these compounds. In this study, we characterized the peroxisome proliferator-activated receptor γ (PPARγ) agonistic activity of fourteen CSIs in HepG2 cells using an in vitro reporter gene assay...
February 15, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29750634/effectiveness-of-febuxostat-in-patients-with-allopurinol-refractory-hyperuricemic-chronic-kidney-disease
#17
Chae Hee Kwak, Minji Sohn, Nayoung Han, Yoon-Sook Cho, Yon Su Kim, Jung Mi Oh
OBJECTIVE: As uncontrolled hyperuricemia has been associated with an increased risk of cardiovascular disease and the progression of chronic kidney disease (CKD), management of serum uric acid levels is important. The aim of this study was to evaluate the effectiveness of febuxostat in regulating uncontrolled hyperuricemia in patients with renal dysfunction. MATERIALS AND METHODS: We included patients with CKD and persistent uncontrolled hyperuricemia despite treatment with allopurinol...
May 11, 2018: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29750443/s3-guideline-for-the-treatment-of-psoriasis-vulgaris-update-short-version-part-1-systemic-treatment
#18
Alexander Nast, Lasse Amelunxen, Matthias Augustin, Wolf-Henning Boehncke, Corinna Dressler, Matthew Gaskins, Peter Härle, Bernd Hoffstadt, Joachim Klaus, Joachim Koza, Ulrich Mrowietz, Hans-Michael Ockenfels, Sandra Philipp, Kristian Reich, Thomas Rosenbach, Berthold Rzany, Martin Schlaeger, Gerhard Schmid-Ott, Michael Sebastian, Ralph von Kiedrowski, Tobias Weberschock
The German guideline for the treatment of psoriasis vulgaris was updated using GRADE methodology. The guideline is based on a systematic literature review completed on December 1, 2016, and on a formal consensus and approval process. The first section of this short version of the guideline covers systemic treatment options considered relevant by the expert panel and approved in Germany at the time of the consensus conference (acitretin, adalimumab, apremilast, cyclosporine, etanercept, fumaric acid esters, infliximab, methotrexate, secukinumab and ustekinumab)...
May 2018: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/29748180/molecular-test-for-chlamydia-and-gonorrhoea-used-at-point-of-care-in-remote-primary-healthcare-settings-a-diagnostic-test-evaluation
#19
Louise M Causer, Rebecca J Guy, Sepehr N Tabrizi, David M Whiley, David John Speers, James Ward, Annie Tangey, Steven G Badman, Belinda Hengel, Lisa Jane Natoli, David A Anderson, Handan Wand, David Wilson, David G Regan, Mark Shephard, Basil Donovan, Christopher K Fairley, John M Kaldor
OBJECTIVES: A new molecular test for Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG) (GeneXpert CT/NG) has been demonstrated to be as accurate as conventional nucleic acid amplification tests (NAAT), but performance has not been evaluated in routine primary care, performed at the point of care by clinicians. We aimed to examine its diagnostic performance when used by clinicians in remote community health services in Australia with high prevalences of CT and NG infection. The trial was registered with the Australian and New Zealand Clinical Trials Registry (#12613000808741) METHODS: At 12 health services, training was provided to 99 clinicians in the use of the GeneXpert CT/NG assay who tested specimens from all patients undergoing STI screening...
May 10, 2018: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/29747494/comparison-of-meat-quality-fatty-acid-composition-and-aroma-volatiles-of-chikso-and-hanwoo-beef
#20
Dicky Tri Utama, Chang Woo Lee, Yeon Soo Park, Aera Jang, Sung Ki Lee
Objective: Although Hanwoo has been selected as the superior commercial beef cattle breed in Korea, Chikso (Korean brindle cattle) is still recognized as a valuable breed for beef production. The aim of this study was to compare the meat quality, fatty acid composition and aroma volatiles of beef from Chikso and Hanwoo steers maintained under identical feed management, as information regarding these characteristics is still limited. Methods: A total of 19 carcasses with a quality grade of 1 were selected, and strip loin (longissimus lumborum) cuts were collected from 11 Hanwoo carcasses and 8 Chikso carcasses...
April 25, 2018: Asian-Australasian Journal of Animal Sciences
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