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https://www.readbyqxmd.com/read/28105103/inhibition-of-p-glycoprotein-multidrug-resistance-associated-protein-2-and-cytochrome-p450-3a4-improves-the-oral-absorption-of-octreotide-in-rats-with-portal-hypertension
#1
Xiao-Yu Sun, Zhi-Jun Duan, Zhen Liu, Shun-Xiong Tang, Yang Li, Shou-Cheng He, Qiu-Ming Wang, Qing-Yong Chang
The aim of the present study was to increase the intestinal transport of octreotide (OCT) by targeting the first-pass impact to identify a potential method for decreasing portal vein pressure (PVP) using oral OCT. Thus, the bioavailability of intestinally absorbed OCT was evaluated in normal rats and rats with portal hypertension (PH) that had been administered P-glycoprotein/multidrug resistance-associated protein 2/cytochrome P450 3A4 (P-gp/MRP2/CYP3A4) inhibitors. The mRNA and protein expression levels of P-gp, MRP2 and CYP3A4 were evaluated in normal and PH rats with or without OCT and the inhibitors using RT-PCR, western blot and immunohistochemical analyses...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28104615/gp-workload-is-unsustainable-say-researchers
#2
Jacqui Wise
No abstract text is available yet for this article.
January 19, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28103848/the-crisp-colorectal-cancer-risk-prediction-tool-an-exploratory-study-using-simulated-consultations-in-australian-primary-care
#3
Jennifer G Walker, Adrian Bickerstaffe, Nadira Hewabandu, Sanjay Maddumarachchi, James G Dowty, Mark Jenkins, Marie Pirotta, Fiona M Walter, Jon D Emery
BACKGROUND: In Australia, screening for colorectal cancer (CRC) with colonoscopy is meant to be reserved for people at increased risk, however, currently there is a mismatch between individuals' risk of CRC and the type of CRC screening they receive. This paper describes the development and optimisation of a Colorectal cancer RISk Prediction tool ('CRISP') for use in primary care. The aim of the CRISP tool is to increase risk-appropriate CRC screening. METHODS: CRISP development was informed by previous experience with developing risk tools for use in primary care and a systematic review of the evidence...
January 19, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28103816/use-of-a-self-rating-scale-to-monitor-depression-severity-in-recurrent-gp-consultations-in-primary-care-does-it-really-make-a-difference-a-randomised-controlled-study
#4
C Wikberg, J Westman, E-L Petersson, M E H Larsson, M André, R Eggertsen, J Thorn, H Ågren, C Björkelund
BACKGROUND: Little information is available about whether the use of self-assessment instruments in primary care affects depression course and outcome. The purpose was to evaluate whether using a depression self-rating scale in recurrent person-centred GP consultations affected depression severity, quality of life, medication use, and sick leave frequency. METHODS: Patients in the intervention group met their GP regularly at least 4 times during the 3 months intervention...
January 19, 2017: BMC Family Practice
https://www.readbyqxmd.com/read/28103046/food-protein-based-core-shell-nanocarriers-for-oral-drug-delivery-effect-of-shell-composition-on-in-vitro-and-in-vivo-functional-performance-of-zein-nanocarriers
#5
Mohammed S Alqahtani, Md Saiful Islam, Satheesh Podaralla, Radhey S Kaushik, Joshua J Reineke, Tofuko Woyengo, Omathanu Perumal
The study was aimed at systematically investigating the influence of shell composition on the particle size, stability, release, cell uptake, permeability and in-vivo gastrointestinal distribution of food protein-based nanocarriers for oral delivery applications. Three different core-shell nanocarriers were prepared using food-grade biopolymers including zein-casein (ZC) nanoparticles, zein-lactoferrin (ZLF) nanoparticles and zein-PEG (ZPEG) micelles. Nile red was used as a model hydrophobic dye for in-vitro studies...
January 19, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28102715/capsaicin-pretreatment-enhanced-the-bioavailability-of-fexofenadine-in-rats-by-p-glycoprotein-modulation-in-vitro-in-situ-and-in-vivo-evaluation
#6
Satish Kumar Bedada, Ramgopal Appani, Praveen Kumar Boga
BACKGROUND AND OBJECTIVE: Capsaicin is the main pungent principle present in chilli peppers has been found to possess P-glycoprotein (P-gp) inhibition activity in vitro, which may have the potential to modulate bioavailability of P-gp substrates. Therefore, purpose of the present study was to evaluate the effect of capsaicin on intestinal absorption and bioavailability of fexofenadine, a P-gp substrate in rats. METHODS: The mechanistic evaluation was determined by non-everted sac and intestinal perfusion studies to explore the intestinal absorption of fexofenadine...
January 19, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28101824/empirically-derived-weights-for-gms-capitation-payments-to-general-practitioners
#7
B McElroy
AIM: Unlike other weighted capitation schemes used in Irish health service financing and in health systems internationally, the GMS capitation payments scheme for General Practitioners lacks transparency in both the data used and the model employed. In this study, evidence-based weights were generated and compared to current payment weights. METHODS: Four datasets on GP utilisation were interrogated. RESULTS: Evidence-based weights indicated that over 70s had higher payments per consultation than other groups...
January 18, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28101490/periodic-granulocyte-count-measuring-is-useful-for-detecting-asymptomatic-agranulocytosis-in-antithyroid-drug-treated-patients-with-graves-disease
#8
Hirotoshi Nakamura, Akane Ide, Takumi Kudo, Eijun Nishihara, Mitsuru Ito, Akira Miyauchi
OBJECTIVE: Finding agranulocytosis (AG) at an early stage is important to improve outcome, but periodic granulocyte count monitoring is not generally recommended for patients with Graves' disease, because AG develops suddenly. METHOD: At the Kuma Hospital, Graves' patients under antithyroid drug (ATD) treatment in an outpatient clinic have a granulocyte count examination during each visit, and if it is <1,000/μl, a warning is immediately sent to the patient's physician...
December 2016: European Thyroid Journal
https://www.readbyqxmd.com/read/28100345/-anti-%C3%AE-2-gp%C3%A2-antibodies-accelerate-the-formation-of-atherosclerosis-in-high-fat-diet-fed-apoe-deficient-mice
#9
X Y Wang, H Zhou, X J Zhu, L F Xia, C He, Q Q Cai, T Wang
Objective: To investigate the effects of anti-β(2) glycoprotein Ⅰ(β(2)GPⅠ) antibody on atherosclerosis in ApoE deficient mice. Methods: A total of 24 male ApoE deficient mice of specific pathogen free level(six to eight-week old)were divided into normal control group, high fat diet group, high fat diet with anti-β(2)GPⅠ group, high fat diet with homologous control antibody group (n=6 each group). During the feeding period, mice were weighed every 2 weeks and were intraperitoneally injected with anti-β(2)GPⅠIgG (100 μg/per) and homologous control IgG (100 μg/per) according to grouping once a week...
January 25, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28100232/equitable-health-services-for-the-young-a-decomposition-of-income-related-inequalities-in-young-adults-utilization-of-health-care-in-northern-sweden
#10
Paola A Mosquera, Anna-Karin Waenerlund, Isabel Goicolea, Per E Gustafsson
BACKGROUND: Despite the goal of the Swedish health system to offer health care according to the principle of horizontal equity, little is known about the equality in access to health care use among young people. To explore this issue, the present study aimed i) to assess horizontal inequity in health care utilization among young people in Northern Sweden; and ii) to explore the contribution of different factors to explain the observed inequalities. METHODS: Participants (N = 3016 youths aged 16-25 years) came from the "Health on Equal terms" survey conducted in 2014 in the four northernmost counties in Sweden...
January 18, 2017: International Journal for Equity in Health
https://www.readbyqxmd.com/read/28098156/sixfold-improved-single-particle-measurement-of-the-magnetic-moment-of-the-antiproton
#11
H Nagahama, C Smorra, S Sellner, J Harrington, T Higuchi, M J Borchert, T Tanaka, M Besirli, A Mooser, G Schneider, K Blaum, Y Matsuda, C Ospelkaus, W Quint, J Walz, Y Yamazaki, S Ulmer
Our current understanding of the Universe comes, among others, from particle physics and cosmology. In particle physics an almost perfect symmetry between matter and antimatter exists. On cosmological scales, however, a striking matter/antimatter imbalance is observed. This contradiction inspires comparisons of the fundamental properties of particles and antiparticles with high precision. Here we report on a measurement of the g-factor of the antiproton with a fractional precision of 0.8 parts per million at 95% confidence level...
January 18, 2017: Nature Communications
https://www.readbyqxmd.com/read/28097485/sorption-of-organic-phosphates-and-its-effects-on-aggregation-of-hematite-nanoparticles-in-monovalent-and-bivalent-solutions
#12
Chen-Yang Xu, Jiu-Yu Li, Ren-Kou Xu, Zhi-Neng Hong
Sorption of organic phosphates-myo-inositol hexakisphosphate (IHP) and glycerol phosphate (GP) and its effects on the early stage of hematite aggregation kinetics were investigated at different pH and electrolyte composition. KH2PO4 (KP) was taken as an inorganic P source for comparison. Results indicated that for all types of P, the sorption amounts decreased with increasing solution pH. Sorption amount of IHP was almost two times that of KP, while those of GP and KP were close. Both organic P and inorganic P interacted with hematite via ligand exchange through their phosphate groups, which conveyed negative charges to mineral surface and significantly decreased the zeta potential of hematite...
January 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28095510/screening-and-identifying-antioxidative-components-in-ginkgo-biloba-pollen-by-dpph-hplc-pad-coupled-with-hplc-esi-ms2
#13
Jiying Qiu, Xiangyan Chen, A I Netrusov, Qingxin Zhou, Danyang Guo, Xiaoyong Liu, Hailun He, Xue Xin, Yifen Wang, Leilei Chen
The Ginkgo biloba is one of ancient trees that exists from billions of years ago, its leaf and nut are used as herbs and foods in China, while so far its pollen does not have any application except pollination. In order to evaluate the antioxidant activity of Ginkgo biloba pollen, and rapidly screen its antioxidative components, the 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging ability, total flavonoid, total phenol, and proanthocyanidin of Ginkgo biloba pollen were determined and compared with those of Ginkgo biloba leaf and nut, and the off-line DPPH-HPLC-PAD and HPLC-ESI-MS2 were applied for screening and identifying the antioxidant flavonoids in Ginkgo biloba pollen...
2017: PloS One
https://www.readbyqxmd.com/read/28094893/a-comparison-of-skeletal-maturity-assessed-by-radiological-and-ultrasonic-methods
#14
Katinka Utczas, Agota Muzsnai, Noel Cameron, Annamaria Zsakai, Eva B Bodzsar
OBJECTIVES: The estimation of skeletal maturity is a useful tool in pediatric practice to determine the degree of delay or advancement in growth disorders and the effectiveness of treatment in conditions that influence linear growth. Skeletal maturity of children is commonly assessed using either Greulich-Pyle (GP) or Tanner-Whitehouse methods (TW2 and TW3). However, a less invasive ultrasonic method, that does not use ionizing radiation, has been suggested for use in epidemiological studies of skeletal maturity...
January 17, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28093773/establishment-of-a-cell-line-for-assessing-drugs-as-canine-p-glycoprotein-substrates-proof-of-principle
#15
K L Mealey, S Dassanayake, N S Burke
P-glycoprotein (P-gp), encoded by the ABCB1 (MDR1) gene, dramatically impacts drug disposition. P-gp is expressed in the intestines, biliary canaliculi, renal tubules, and brain capillaries where it functions to efflux substrate drugs. In this capacity, P-gp restricts oral absorption, enhances biliary and renal excretion, and inhibits central nervous system entry of substrate drugs. Many drugs commonly used in veterinary medicine are known substrates for canine P-gp (vincristine, loperamide, ivermectin, others)...
January 17, 2017: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28093442/rococo-study-a-real-world-evaluation-of-an-over-the-counter-medicine-in-acute-cough-a-multicentre-randomised-controlled-study
#16
S S Birring, J Brew, A Kilbourn, V Edwards, R Wilson, A H Morice
OBJECTIVES: To investigate the efficacy and safety of CS1002, an over-the-counter cough treatment containing diphenhydramine, ammonium chloride and levomenthol in a cocoa-based demulcent. DESIGN: A multicentre, randomised, parallel group, controlled, single-blinded study in participants with acute upper respiratory tract infection-associated cough. SETTING: 4 general practitioner (GP) surgeries and 14 pharmacies in the UK. PARTICIPANTS: Participants aged ≥18 years who self-referred to a GP or pharmacist with acute cough of <7 days' duration...
January 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/28093422/gps-perceptions-of-workload-in-england-a-qualitative-interview-study
#17
Caroline Hd Croxson, Helen F Ashdown, Fd Richard Hobbs
BACKGROUND: GPs report the lowest levels of morale among doctors, job satisfaction is low, and the GP workforce is diminishing. Workload is frequently cited as negatively impacting on commitment to a career in general practice, and many GPs report that their workload is unmanageable. AIM: To gather an in-depth understanding of GPs' perceptions and attitudes towards workload. DESIGN AND SETTING: All GPs working within NHS England were eligible...
January 16, 2017: British Journal of General Practice: the Journal of the Royal College of General Practitioners
https://www.readbyqxmd.com/read/28093421/gp-views-on-strategies-to-cope-with-increasing-workload-a-qualitative-interview-study
#18
Rebecca Fr Fisher, Caroline Hd Croxson, Helen F Ashdown, Fd Richard Hobbs
BACKGROUND: The existence of a crisis in primary care in the UK is in little doubt. GP morale and job satisfaction are low, and workload is increasing. In this challenging context, finding ways for GPs to manage that workload is imperative. AIM: To explore what existing or potential strategies are described by GPs for dealing with their workload, and their views on the relative merits of each. DESIGN AND SETTING: Semi-structured, qualitative interviews with GPs working within NHS England...
January 16, 2017: British Journal of General Practice: the Journal of the Royal College of General Practitioners
https://www.readbyqxmd.com/read/28093420/incidence-of-venous-thromboembolism-in-care-homes-a-prospective-cohort-study
#19
Patricia N Apenteng, Fd Richard Hobbs, Andrea Roalfe, Usman Muhammad, Carl Heneghan, David Fitzmaurice
BACKGROUND: Care home residents have venous thromboembolism (VTE) risk profiles similar to medical inpatients; however, the epidemiology of VTE in care homes is unclear. AIM: To determine the incidence of VTE in care homes. DESIGN AND SETTING: Observational cohort study of 45 care homes in Birmingham and Oxford, UK. METHOD: A consecutive sample of care home residents was enrolled and followed up for 12 months. Data were collected via case note reviews of care home and GP records; mortality information was supplemented with Health and Social Care Information Centre (now called NHS Digital) cause of death data...
January 16, 2017: British Journal of General Practice: the Journal of the Royal College of General Practitioners
https://www.readbyqxmd.com/read/28093288/assessing-the-impact-of-lithium-chloride-on-the-expression-of-p-glycoprotein-at-the-blood-brain-barrier
#20
Stephanie A Newman, Yijun Pan, Jennifer L Short, Joseph A Nicolazzo
In addition to extruding drugs from the brain, P-glycoprotein (P-gp) at the blood-brain barrier (BBB) facilitates the brain-to-blood clearance of β-amyloid (Aβ) and is down-regulated in Alzheimer's disease (AD). Studies suggest that the mood-stabilising drug lithium exerts a protective effect against AD. While the mechanisms underlying this effect are not fully understood, evidence suggests that lithium chloride (LiCl) increases P-gp expression in vitro, albeit at concentrations substantially outside the therapeutic window...
January 13, 2017: Journal of Pharmaceutical Sciences
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