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https://www.readbyqxmd.com/read/27911921/what-is-the-economic-burden-of-subsidized-hiv-aids-treatment-services-on-patients-in-nigeria-and-is-this-burden-catastrophic-to-households
#1
Enyi Etiaba, Obinna Onwujekwe, Kwasi Torpey, Benjamin Uzochukwu, Robert Chiegil
BACKGROUND: A gap in knowledge exists regarding the economic burden on households of subsidized anti-retroviral treatment (ART) programs in Nigeria. This is because patients also incur non-ART drug costs, which may constrain the delivery and utilisation of subsidized services. METHODS: An exit survey of adults (18+years) attending health facilities for HIV/AIDS treatment was conducted in three states in Nigeria (Adamawa, Akwa Ibom and Anambra). In the states, ART was fully subsidized but there were different payment modalities for other costs of treatment...
2016: PloS One
https://www.readbyqxmd.com/read/27908758/thermally-triggered-release-of-the-bacteriophage-endolysin-chapk-and-the-bacteriocin-lysostaphin-for-the-control-of-methicillin-resistant-staphylococcus-aureus-mrsa
#2
Hollie Hathaway, Jude Ajuebor, Liam Stephens, Aidan Coffey, Ursula Potter, J Mark Sutton, A Toby A Jenkins
Staphylococcus aureus infections of the skin and soft tissue pose a major concern to public health, largely owing to the steadily increasing prevalence of drug resistant isolates. As an alternative mode of treatment both bacteriophage endolysins and bacteriocins have been shown to possess antimicrobial efficacy against multiple species of bacteria including otherwise drug resistant strains. Despite this, the administration and exposure of such antimicrobials should be restricted until required in order to discourage the continued evolution of bacterial resistance, whilst maintaining the activity and stability of such proteinaceous structures...
November 28, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/27907859/near-infrared-mediated-quantum-dots-and-paclitaxel-co-loaded-nanostructured-lipid-carriers-for-cancer-theragnostic
#3
Livesey David Olerile, Yongjun Liu, Bo Zhang, Tianqi Wang, Shengjun Mu, Jing Zhang, Lesego Selotlegeng, Na Zhang
Timing is an important factor in cancer management. Theragnostic systems have benefit of improving patients' life-quality by expediting therapeutic decisions. The objective of this study was to explore the potential of co-loaded [quantum dots (CdTe/CdS/ZnS) and paclitaxel] NLC (nanostructured lipid carriers) as a parenteral multifunctional delivery system. The co-loaded NLC was prepared by emulsion-evaporation and low temperature-solidification method utilising glyceryl monostearate, oleic acid, and soya phosphatidylcholine as lipid matrix...
November 24, 2016: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/27906136/rapid-synthesis-of-silver-nanoparticles-by-pseudomonas-stutzeri-isolated-from-textile-soil-under-optimised-conditions-and-evaluation-of-their-antimicrobial-and-cytotoxicity-properties
#4
Nishant Rajora, Sanket Kaushik, Anupam Jyoti, Shanker L Kothari
Present study utilised textile soil isolated bacterium Pseudomonas stutzeri to synthesise extracellular silver nanoparticles (AgNPs) under optimised conditions. The synthesised AgNPs were characterised using ultraviolet-visible spectroscopy, Fourier transform infrared spectroscopy (FTIR) and transmission electron microscopy (TEM). Optimisation showed AgNPs synthesis within 8 h using 2mM Ag nitrate at pH9, temperature 80°C and maximum absorbance toward 400 nm. TEM analysis revealed spherical shape AgNPs and reduction in size upto 8 nm was observed under optimised conditions...
December 2016: IET Nanobiotechnology
https://www.readbyqxmd.com/read/27903663/beyond-a-single-pathway-combination-therapy-in-pulmonary-arterial-hypertension
#5
REVIEW
Olivier Sitbon, Sean Gaine
There is a strong rationale for combining therapies to simultaneously target three of the key pathways implicated in the pathogenesis of pulmonary arterial hypertension (PAH). Evidence to support this strategy is growing, and a number of studies have demonstrated that combination therapy, administered as either a sequential or an initial regimen, can improve long-term outcomes in PAH. Dual combination therapy with a phosphodiesterase-5 inhibitor and an endothelin receptor antagonist is the most widely utilised combination regimen...
December 2016: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/27903276/accurate-prediction-of-response-to-endocrine-therapy-in-breast-cancer-patients-current-and-future-biomarkers
#6
REVIEW
Cigdem Selli, J Michael Dixon, Andrew H Sims
Approximately 70% of patients have breast cancers that are oestrogen receptor alpha positive (ER+) and are therefore candidates for endocrine treatment. Many of these patients relapse in the years during or following completion of adjuvant endocrine therapy. Thus, many ER+ cancers have primary resistance or develop resistance to endocrine therapy during treatment. Recent improvements in our understanding of how tumours evolve during treatment with endocrine agents have identified both changes in gene expression and mutational profiles, in the primary cancer as well as in circulating tumour cells...
December 1, 2016: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/27886625/culturally-construed-beliefs-and-perceptions-of-nursing-students-and-the-stigma-impacting-on-people-living-with-aids-a-qualitative-study
#7
David Pickles, Lindy King, Sheryl de Lacey
BACKGROUND: Since HIV and AIDS were discovered, studies have demonstrated that negative perceptions and reluctance to provide care to affected people persist among nursing students throughout the world. This leads to poor quality care. OBJECTIVES: To report on a study that explored socio-cultural influences on the perceptions of international nursing students toward caring for people living with HIV/AIDS. METHODS: A qualitative descriptive research design, guided by stigma theory, was utilised...
November 16, 2016: Nurse Education Today
https://www.readbyqxmd.com/read/27883036/the-mevalonate-pathway-regulates-primitive-streak-formation-via-protein-farnesylation
#8
Yoshimi Okamoto-Uchida, Ruoxing Yu, Norio Miyamura, Norie Arima, Mari Ishigami-Yuasa, Hiroyuki Kagechika, Suguru Yoshida, Takamitsu Hosoya, Makiko Nawa, Takeshi Kasama, Yoichi Asaoka, Reiner Wimmer Alois, Ulrich Elling, Josef M Penninger, Sachiko Nishina, Noriyuki Azuma, Hiroshi Nishina
The primitive streak in peri-implantation embryos forms the mesoderm and endoderm and controls cell differentiation. The metabolic cues regulating primitive streak formation remain largely unknown. Here we utilised a mouse embryonic stem (ES) cell differentiation system and a library of well-characterised drugs to identify these metabolic factors. We found that statins, which inhibit the mevalonate metabolic pathway, suppressed primitive streak formation in vitro and in vivo. Using metabolomics and pharmacologic approaches we identified the downstream signalling pathway of mevalonate and revealed that primitive streak formation requires protein farnesylation but not cholesterol synthesis...
November 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27878313/targeting-renal-glucose-reabsorption-to-treat-hyperglycaemia-the-pleiotropic-effects-of-sglt2-inhibition
#9
REVIEW
Volker Vallon, Scott C Thomson
Healthy kidneys filter ∼160 g/day of glucose (∼30% of daily energy intake) under euglycaemic conditions. To prevent valuable energy from being lost in the urine, the proximal tubule avidly reabsorbs filtered glucose up to a limit of ∼450 g/day. When blood glucose levels increase to the point that the filtered load exceeds this limit, the surplus is excreted in the urine. Thus, the kidney provides a safety valve that can prevent extreme hyperglycaemia as long as glomerular filtration is maintained. Most of the capacity for renal glucose reabsorption is provided by sodium glucose cotransporter (SGLT) 2 in the early proximal tubule...
November 22, 2016: Diabetologia
https://www.readbyqxmd.com/read/27876275/development-of-leishmania-donovani-stably-expressing-dsred-for-flow-cytometry-based-drug-screening-using-chalcone-thiazolyl-hydrazone-as-a-new-antileishmanial-target
#10
Anil Kumar Jaiswal, K Bhaskara Rao, Pragati Kushwaha, Keerti Rawat, Ram K Modukuri, Prashant Khare, Sumit Joshi, Shikha Mishra, Ambak Rai, Koneni V Sashidhara, Anuradha Dube
Green fluorescent protein produces significant fluorescence and is extremely stable, however its excitation maximum is close to the ultraviolet range and thus can damage living cells. Hence, Leishmania donovani stably expressing DsRed were developed and their suitability for flow cytometry-based antileishmanial screening was assessed by evaluating the efficacies of standard drugs as well as newly synthesised chalcone thiazolyl-hydrazone compounds. The DsRed gene was successfully integrated at the 18S rRNA locus of L...
November 2, 2016: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/27871607/highly-sensitive-determination-of-atropine-using-cobalt-oxide-nanostructures-influence-of-functional-groups-on-the-signal-sensitivity
#11
Razium Ali Soomro, Ayman Nafady, Keith Richard Hallam, Sana Jawaid, Abdullah Al Enizi, Syed Tufail Hussain Sherazi, Sirajuddin, Zafar Hussain Ibupoto, Magnus Willander
This study describes sensitive determination of atropine using glassy carbon electrodes (GCE) modified with Co3O4 nanostructures. The as-synthesised nanostructures were grown using cysteine (CYS), glutathione (GSH) and histidine (HYS) as effective templates under hydrothermal action. The obtained morphologies revealed interesting structural features, including both cavity-based and flower-shaped structures. The as-synthesised morphologies were noted to actively participate in electro-catalysis of atropine (AT) drug where GSH-assisted structures exhibited the best signal response in terms of current density and over-potential value...
December 15, 2016: Analytica Chimica Acta
https://www.readbyqxmd.com/read/27868309/an-examination-of-how-alcohol-brands-use-sport-to-engage-consumers-on-social-media
#12
Kate Westberg, Constantino Stavros, Aaron C T Smith, Geoff Munro, Kevin Argus
INTRODUCTION AND AIMS: To examine how alcohol brands use sport in their communication activities on social media. Despite extensive research exploring alcohol advertising and sponsorship through sport, minimal attention has been given to digital platforms. DESIGN AND METHODS: This study undertakes a qualitative content analysis to examine the social media activity of alcohol brands sponsoring the three largest spectator sports in Australia: Australian rules football, rugby league and cricket...
November 20, 2016: Drug and Alcohol Review
https://www.readbyqxmd.com/read/27868256/ice-and-the-outback-patterns-and-prevalence-of-methamphetamine-use-in-rural-australia
#13
Ann Roche, Alice McEntee
OBJECTIVE: This study investigated whether lifetime and recent methamphetamine use (including crystal methamphetamine) differed among city, regional and rural residents and whether particular subpopulations were more at-risk. DESIGN: Secondary analyses of the last three National Drug Strategy Household Surveys and corresponding Alcohol and Other Drug Treatment Services National Minimum Data Sets (AODTS NMDS). SETTING: Australian general population...
November 21, 2016: Australian Journal of Rural Health
https://www.readbyqxmd.com/read/27863988/ibuprofen-delivery-into-and-through-the-skin-from-novel-oxidized-cellulose-based-gels-and-conventional-topical-formulations
#14
Duygu Celebi, Richard H Guy, Karen J Edler, Janet L Scott
The delivery of ibuprofen into and through the skin from novel formulations containing TEMPO-oxidized cellulose nanofibril-based (TOCN) gels was compared to that from two conventional and commercially available products. The gels were evaluated in-vitro (using both silicone membranes, and pig skin) and in-vivo in human volunteers. All gels showed consistent behaviour in a standard in vitro release test. The stratum corneum (SC) uptake and skin penetration of ibuprofen in vitro from the novel gels and the marketed formulations were generally comparable even though the drug loading in the TOCN-based vehicles was only 20% of that in the 'reference' products...
September 20, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27863667/ibuprofen-delivery-into-and-through-the-skin-from-novel-oxidized-cellulose-based-gels-and-conventional-topical-formulations
#15
Duygu Celebi, Richard H Guy, Karen J Edler, Janet L Scott
The delivery of ibuprofen into and through the skin from novel formulations containing TEMPO-oxidized cellulose nanofibril-based (TOCN) gels was compared to that from two conventional and commercially available products. The gels were evaluated in-vitro (using both silicone membranes, and pig skin) and in-vivo in human volunteers. All gels showed consistent behaviour in a standard in vitro release test. The stratum corneum (SC) uptake and skin penetration of ibuprofen in vitro from the novel gels and the marketed formulations were generally comparable even though the drug loading in the TOCN-based vehicles was only 20% of that in the 'reference' products...
November 30, 2016: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/27859259/vessel-co-option-is-common-in-human-lung-metastases-and-mediates-resistance-to-anti-angiogenic-therapy-in-preclinical-lung-metastasis-models
#16
Victoria L Bridgeman, Peter B Vermeulen, Shane Foo, Agnes Bilecz, Frances Daley, Eleftherios Kostaras, Mark R Nathan, Elaine Wan, Sophia Frentzas, Thomas Schweiger, Balazs Hegedus, Konrad Hoetzenecker, Ferenc Renyi-Vamos, Elizabeth A Kuczynski, Naveen S Vasudev, James Larkin, Martin Gore, Harold F Dvorak, Sandor Paku, Robert S Kerbel, Balazs Dome, Andrew R Reynolds
Anti-angiogenic therapies have shown limited efficacy in the clinical management of metastatic disease, including lung metastases. Moreover, the mechanisms via which tumours resist anti-angiogenic therapies are poorly understood. Importantly, rather than utilising angiogenesis, some metastases may instead incorporate pre-existing vessels from surrounding tissue (vessel co-option). Since anti-angiogenic therapies were designed to target only new blood vessel growth, vessel co-option has been proposed as a mechanism that could drive resistance to anti-angiogenic therapy...
November 9, 2016: Journal of Pathology
https://www.readbyqxmd.com/read/27855325/-not-human-dead-already-perceptions-and-experiences-of-drug-related-stigma-among-opioid-using-young-adults-from-the-former-soviet-union-living-in-the-u-s
#17
Alana Gunn, Honoria Guarino
BACKGROUND: Young people from the former Soviet Union (FSU) in the U.S. are engaging in opioid and injection drug use (IDU) in substantial numbers, paralleling nationwide trends. Yet opioid-using FSU immigrants face distinctive acculturation challenges, including perceived stigmatisation as drug users within their immigrant communities, which may exacerbate the negative health and psychosocial consequences of such use. METHODS: This qualitative study draws on semi-structured interviews with 26 FSU immigrant young adults (ages 18-29) living in New York City who reported opioid use in the past month and/or were currently in treatment for opioid use disorder...
November 14, 2016: International Journal on Drug Policy
https://www.readbyqxmd.com/read/27825361/cancer-stem-cell-metabolism-a-potential-target-for-cancer-therapy
#18
REVIEW
Abhijeet Deshmukh, Kedar Deshpande, Frank Arfuso, Philip Newsholme, Arun Dharmarajan
Cancer Stem cells (CSCs) are a unipotent cell population present within the tumour cell mass. CSCs are known to be highly chemo-resistant, and in recent years, they have gained intense interest as key tumour initiating cells that may also play an integral role in tumour recurrence following chemotherapy. Cancer cells have the ability to alter their metabolism in order to fulfil bio-energetic and biosynthetic requirements. They are largely dependent on aerobic glycolysis for their energy production and also are associated with increased fatty acid synthesis and increased rates of glutamine utilisation...
November 8, 2016: Molecular Cancer
https://www.readbyqxmd.com/read/27821437/curcumin-piperine-and-capsaicin-a-comparative-study-of-spice-mediated-inhibition-of-human-cytochrome-p450-isozyme-activities
#19
Suhaili Shamsi, Huong Tran, Renee Siok Jin Tan, Zee Jian Tan, Lee Yong Lim
Inhibition of the cytochrome P450 (CYP) enzymes has been shown to enhance the metabolism of drugs that are CYP substrates, and to consequently alter their pharmacokinetic profiles. Curcumin (CUR), piperine (PIP) and capsaicin (CAP) are spice components (SC) that inhibit the activities of a range of CYP enzymes, but the selection of which SC to be prioritised for further development as adjuvant will depend on the ranking order of inhibitory potential of the SCs on specific CYP isozymes. This paper aimed to utilise common human recombinant enzyme platforms to provide a comparative evaluation of the inhibitory activities of CUR, PIP and CAP on the principal drug-metabolising CYP enzymes...
November 7, 2016: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/27821153/methods-for-estimating-the-burden-of-antimicrobial-resistance-a-systematic-literature-review-protocol
#20
Nichola R Naylor, Sachin Silva, Kavian Kulasabanathan, Rifat Atun, Nina Zhu, Gwenan M Knight, Julie Robotham
BACKGROUND: Estimates of the burden of antimicrobial resistance (AMR) are needed to ascertain AMR impact, to evaluate interventions, and to allocate resources efficiently. Recent studies have estimated health, cost, and economic burden relating to AMR, with outcomes of interest ranging from drug-bug resistance impact on mortality in a hospital setting to total economic impact of AMR on the global economy. However, recent collation of this information has been largely informal, with no formal quality assessment of the current evidence base (e...
November 8, 2016: Systematic Reviews
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