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https://www.readbyqxmd.com/read/29454237/liposomes-of-dimeric-artesunate-phospholipid-a-combination-of-dimerization-and-self-assembly-to-combat-malaria
#1
Muhammad Ismail, Longbing Ling, Yawei Du, Chen Yao, Xinsong Li
Artemisinin and its derivatives are highly effective drugs in the treatment of P. falciparum malaria. However, their clinical applications face challenges because of short half-life, poor bioavailability and growing drug resistance. In this article, novel dimeric artesunate phospholipid (Di-ART-GPC) based liposomes were developed by combination of dimerization and self-assembly to address these shortcomings. Firstly, Di-ART-GPC conjugate was synthesized by a facile esterification of artesunate (ART) and glycerophosphorylcholine (GPC) and confirmed by MS, 1 H NMR and 13 C NMR...
February 10, 2018: Biomaterials
https://www.readbyqxmd.com/read/29453651/neurotrophins-in-asthma
#2
REVIEW
Juliana Barrios, Xingbin Ai
PURPOSE OF REVIEW: Asthma is a chronic airway disease that affects more than 300 million people worldwide. Current treatment focuses on symptomatic relief by temporally dampening inflammation and relaxing the airway. Novel combative strategies against asthma and hopefully a cure are yet to be developed. The goal of this review is to summarize recent literature on neurotrophins (NTs) in experimental models and clinical settings of asthma research. RECENT FINDINGS: We highlight studies of early phases of asthma that collectively reveal a profound impact of elevated NT levels following initial detrimental insults on long-term airway dysfunction...
February 16, 2018: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/29453411/the-impact-of-a-helminth-modified-microbiome-on-host-immunity
#3
REVIEW
Tara P Brosschot, Lisa A Reynolds
Intestinal helminths have well-characterized modulatory effects on mammalian immune pathways. Ongoing helminth infection has been associated with both the suppression of allergies and an altered susceptibility to microbial infections. Enteric helminths share a niche with the intestinal microbiota, and the presence of helminths alters the microbiota composition and the metabolic signature of the host. Recent studies have demonstrated that the helminth-modified intestinal microbiome has the capacity to modify host immune responses even in the absence of live helminth infection...
February 16, 2018: Mucosal Immunology
https://www.readbyqxmd.com/read/29453240/arvinas-pfizer-team-up-on-protacs
#4
(no author information available yet)
Biotechnology startup Arvinas is developing proteolysis-targeting chimeras (PROTAC) that combat cancer by degrading disease-causing proteins. The company's first PROTACs will target prostate and breast cancers, and a recent deal with Pfizer will allow Arvinas to develop PROTACs for other cancer types.
February 16, 2018: Cancer Discovery
https://www.readbyqxmd.com/read/29453006/illicit-and-prescription-drug-misuse-as-reported-to-the-maine-diversion-alert-program
#5
Brian J Piper, Michael J Suarez, John P Piserchio, Dipam T Shah, Olapeju M Simoyan, Kenneth L McCall, Clare E Desrosiers, Stephanie D Nichols
BACKGROUND: The opioid epidemic is rapidly evolving and new tools are needed to combat drug abuse. The Maine Diversion Alert Program (DAP) is an informational resource that facilitates communication about drug arrests between the criminal justice and healthcare fields. The objectives of this report were to: (1) describe the illegal and prescription pharmaceuticals reported to the DAP; (2) determine if the drugs implicated in arrests changed from the first to latter half of 2016; (3) identify the demographic and other characteristics of arrestees; and (4) outline the strengths and limitations of the DAP for other areas considering implementing similar programs...
February 6, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29452633/inflammation-nods-to-antagonists-of-rip2-xiap-interaction
#6
Shiyu Xia, Tian-Min Fu, Hao Wu
While innate immunity is crucial for host defense, dysregulated signaling activation leads to pathological inflammation. In this issue of Molecular Cell, Goncharov et al. (2018) present a strategy to combat inflammatory diseases by disrupting RIP2-XIAP interaction in NOD2-mediated signaling.
February 15, 2018: Molecular Cell
https://www.readbyqxmd.com/read/29452590/factors-associated-with-persistent-posttraumatic-stress-disorder-among-u-s-military-service-members-and-veterans
#7
Richard F Armenta, Toni Rush, Cynthia A LeardMann, Jeffrey Millegan, Adam Cooper, Charles W Hoge
BACKGROUND: Posttraumatic stress disorder (PTSD) can have long-term and far-reaching impacts on health and social and occupational functioning. This study examined factors associated with persistent PTSD among U.S. service members and veterans. METHODS: Using baseline and follow-up (2001-2013) questionnaire data collected approximately every 3 years from the Millennium Cohort Study, multivariable logistic regression was conducted to determine factors associated with persistent PTSD...
February 17, 2018: BMC Psychiatry
https://www.readbyqxmd.com/read/29452111/recent-progress-in-drug-targets-and-inhibitors-towards-combating-leishmaniasis
#8
REVIEW
Vijayakumar Saravanan, Pradeep Das
Lesihmaniasis is one of the major neglected tropical disease caused by the parasite of the genus Leishmania. The disease has more than one clinical forms and the visceral form is considered fatal. With the lack of potential vaccine, chemotherapy is the major treatment source considered for the control of the disease in the infected people. Drugs including amphotericin B and miltefosine are widely used for the treatment, however, development of resistance by the parasite towards the administered drug and high-toxicity of the drug are of major concern...
February 13, 2018: Acta Tropica
https://www.readbyqxmd.com/read/29451907/timber-isoscapes-a-case-study-in-a-mountain-area-in-the-italian-alps
#9
Yuri Gori, Ana Stradiotti, Federica Camin
BACKGROUND: Local timber is still one of the main sources of work and income for mountain communities. However, illegal logging is a major cause of deforestation in many countries and has significant impacts on local communities and biodiversity. Techniques for tracing timber would provide a useful tool to protect local timber industries and contribute to the fight against illegal logging. Although considerable progress has been made in food traceability, timber provenance is still a somewhat neglected research area...
2018: PloS One
https://www.readbyqxmd.com/read/29450935/community-violence-exposure-correlates-with-smaller-gray-matter-volume-and-lower-iq-in-urban-adolescents
#10
Oisin Butler, Xiao-Fei Yang, Corinna Laube, Simone Kühn, Mary Helen Immordino-Yang
Adolescents' exposure to community violence is a significant public health issue in urban settings and has been associated with poorer cognitive performance and increased risk for psychiatric illnesses, including PTSD. However, no study to date has investigated the neural correlates of community violence exposure in adolescents. Sixty-five healthy adolescents (age = 14-18 years; 36 females, 29 males) from moderate- to high-crime neighborhoods in Los Angeles reported their violence exposure, parents' education level, and free/reduced school lunch status (socio-economic status, SES), and underwent structural neuroimaging and intelligence testing...
February 15, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29450855/health-related-quality-of-life-among-us-military-personnel-injured-in-combat-findings-from-the-wounded-warrior-recovery-project
#11
Susan I Woodruff, Michael R Galarneau, Cameron T McCabe, Daniel I Sack, Mary C Clouser
PURPOSE: Little is known about the long-term, health-related quality of life (HRQOL) of those wounded in combat during Operations Enduring Freedom, Iraqi Freedom, and New Dawn. The present study described the overall HRQOL for a large group of US service members experiencing mild-to-severe combat-related injuries, and assessed the unique contribution of demographics, service- and injury-related characteristics, and mental health factors on long-term HRQOL. METHOD: The Wounded Warrior Recovery Project examines patient-reported outcomes in a cohort of US military personnel wounded in combat...
February 15, 2018: Quality of Life Research
https://www.readbyqxmd.com/read/29449785/a-systematic-review-of-burnout-among-doctors-in-china-a-cultural-perspective
#12
REVIEW
Dana Lo, Florence Wu, Mark Chan, Rodney Chu, Donald Li
Background: Numerous studies around the world has already suggested that burnout among doctors is a global phenomenon. However, studies for burnout in doctors are relatively limited in Chinese communities when compared to the West. As risk factors, barriers to intervention and strategies combatting burnout in different parts of the world can vary a lot due to different social culture and healthcare system, study with a focus at doctors in China from a cultural perspective is a worthful endeavor...
2018: Asia Pacific Family Medicine
https://www.readbyqxmd.com/read/29449565/amphibian-chytridiomycosis-outbreak-dynamics-are-linked-with-host-skin-bacterial-community-structure
#13
Kieran A Bates, Frances C Clare, Simon O'Hanlon, Jaime Bosch, Lola Brookes, Kevin Hopkins, Emilia J McLaughlin, Olivia Daniel, Trenton W J Garner, Matthew C Fisher, Xavier A Harrison
Host-associated microbes are vital for combatting infections and maintaining health. In amphibians, certain skin-associated bacteria inhibit the fungal pathogen Batrachochytrium dendrobatidis (Bd), yet our understanding of host microbial ecology and its role in disease outbreaks is limited. We sampled skin-associated bacteria and Bd from Pyrenean midwife toad populations exhibiting enzootic or epizootic disease dynamics. We demonstrate that bacterial communities differ between life stages with few shared taxa, indicative of restructuring at metamorphosis...
February 15, 2018: Nature Communications
https://www.readbyqxmd.com/read/29449148/therapeutic-targeting-of-long-non-coding-rnas-in-cancer
#14
REVIEW
Gayatri Arun, Sarah D Diermeier, David L Spector
Long non-coding RNAs (lncRNAs) represent a significant population of the human transcriptome. Many lncRNAs exhibit cell- and/or tissue/tumor-specific expression, making them excellent candidates for therapeutic applications. In this review we discuss examples of lncRNAs that demonstrate the diversity of their function in various cancer types. We also discuss recent advances in nucleic acid drug development with a focus on oligonucleotide-based therapies as a novel approach to inhibit tumor progression. The increased success rates of nucleic acid therapeutics provide an outstanding opportunity to explore lncRNAs as viable therapeutic targets to combat various aspects of cancer progression...
February 12, 2018: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/29448886/augmenting-treatment-efficiency-in-exposure-therapy-for-ptsd-a-randomized-double-blind-placebo-controlled-trial-of-yohimbine-hcl
#15
Peter W Tuerk, Bethany C Wangelin, Mark B Powers, Jasper A J Smits, Ron Acierno, Ursula S Myers, Scott P Orr, Edna B Foa, Mark B Hamner
The alpha-2 adrenergic receptor antagonist, yohimbine, can facilitate fear extinction in animals and humans. One potential mechanism is increased noradrenergic activity and associated arousal in the presence of conditioned stimuli. Accordingly, yohimbine might augment prolonged exposure (PE) therapy for posttraumatic stress disorder (PTSD), where heightened exposure-oriented arousal is a theorized driver and empirical predictor of treatment success. A double-blind placebo-controlled randomized trial (NCT 01031979) piloted yohimbine augmentation in 26 males with combat-related PTSD...
February 15, 2018: Cognitive Behaviour Therapy
https://www.readbyqxmd.com/read/29447961/a-physiologically-relevant-3d-collagen-based-scaffold-neuroblastoma-cell-system-exhibits-chemosensitivity-similar-to-orthotopic-xenograft-models
#16
C Curtin, J C Nolan, R Conlon, L Deneweth, C Gallagher, Y J Tan, B L Cavanagh, A Z Asraf, H Harvey, S Miller-Delaney, J Shohet, I Bray, F J O'Brien, R L Stallings, O Piskareva
3D scaffold-based in vitro cell culturing is a recent technological advancement in cancer research bridging the gap between conventional 2D culture and in vivo tumours. The main challenge in treating neuroblastoma, a paediatric cancer of the sympathetic nervous system, is to combat tumour metastasis and resistance to multiple chemotherapeutic drugs. The aim of this study was to establish a physiologically relevant 3D neuroblastoma tissue-engineered system and explore its therapeutic relevance. Two neuroblastoma cell lines, chemotherapeutic sensitive Kelly and chemotherapeutic resistant KellyCis83 were cultured in a 3D in vitro model on two collagen-based scaffolds containing either glycosaminoglycan (Coll-GAG) or nanohydroxyapatite (Coll-nHA) and compared to 2D cell culture and an orthotopic murine model...
February 12, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29447400/prevalence-and-clinical-correlation-of-superficial-fungal-foot-infection-in-thai-naval-rating-cadets
#17
Punyawee Ongsri, Sumanas Bunyaratavej, Charussri Leeyaphan, Penvadee Pattanaprichakul, Pattachee Ongmahutmongkol, Chulaluk Komoltri, Kanokvalai Kulthanan
Background: Superficial fungal foot infection is one of the most important dermatological diseases currently affecting military personnel. Many Thai naval rating cadets are found to suffer from superficial fungal foot infections and their sequels. Objective: To investigate prevalence, potent risk factors, responding pathogens and clinical correlation of superficial fungal foot infection in Thai naval rating cadets training in Naval rating school, Sattahip, Thailand...
February 13, 2018: Military Medicine
https://www.readbyqxmd.com/read/29447384/antimicrobial-prophylaxis-with-combat-related-open-soft-tissue-injuries
#18
Bradley A Lloyd, Clinton K Murray, Faraz Shaikh, M Leigh Carson, Dana M Blyth, Elizabeth R Schnaubelt, Timothy J Whitman, David R Tribble
Introduction: All Department of Defense (DoD) guidance documents recommend cefazolin or clindamycin as post-trauma antibiotic prophylaxis for open soft-tissue injuries. Although not advocated, some patients with open soft-tissue injuries also received expanded Gram-negative coverage (EGN) prophylaxis based on the judgment of front-line trauma providers. During the study period, revised guidelines in 2011/2012 re-emphasized recommendations for using cefazolin or clindamycin, and stewardship efforts in the DoD trauma community aimed to reduce the practice of adding EGN to guideline-recommended antibiotic prophylaxis...
February 13, 2018: Military Medicine
https://www.readbyqxmd.com/read/29447358/factors-associated-with-maternal-utilization-of-health-facilities-for-delivery-in-ethiopia
#19
Sanni Yaya, Ghose Bishwajit, Michael Ekholuenetale, Vaibhav Shah, Bernard Kadio, Ogochukwu Udenigwe
Background: As a signatory of the Millennium Development Goals, Ethiopia has made significant achievements towards meeting the maternal mortality related goals since 1990. Despite that, the country is still experiencing unacceptably high maternal mortality rates, and challenges to improving the coverage and utilisation of health facility delivery services which represent a key strategy to combat maternal mortality. Currently, there is limited evidence on the factors associated with health facility delivery in Ethiopia...
February 13, 2018: International Health
https://www.readbyqxmd.com/read/29446802/mechanisms-of-the-evolutionary-arms-race-between-vibrio-cholerae-and-vibriophage-clinical-isolates
#20
REVIEW
Minmin Yen, Andrew Camilli
This review highlights recent findings on the evolutionary arms race between the causative agent of cholera Vibrio cholerae and virulent bacteriophages (phages) ICP1, ICP2, and ICP3 isolated from cholera patient stool samples. We discuss mechanisms of phage resistance such as a unique phage-inhibitory chromosomal island and mutations that affect phage receptor expression. We also discuss the molecular characterization of ICP1 and its unique CRISPR-Cas system, which it uses to combat the phage-inhibitory chromosomal island...
September 2017: International Microbiology: the Official Journal of the Spanish Society for Microbiology
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