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https://www.readbyqxmd.com/read/29776011/predicting-nonadherence-to-adjuvant-endocrine-therapy-in-women-with-early-stage-breast-cancer
#1
Arden L Corter, Reuben Broom, David Porter, Vernon Harvey, Michael Findlay
BACKGROUND: Failing to take endocrine therapy (ET) as prescribed (nonadherence) increases risk of morbidity and mortality from breast cancer recurrence. We explored predictors of nonadherence, including demographic, clinical, treatment and personal factors, among women newly prescribed ET for early stage breast cancer. We also examined predictors of their thoughts about stopping treatment (TST). METHODS: A baseline survey prior to ET assessed demographics, illness beliefs, beliefs about medicines, fear of recurrence, symptoms and negative affect...
May 18, 2018: Psycho-oncology
https://www.readbyqxmd.com/read/29775842/retention-of-neodymium-by-dolomite-at-variable-ionic-strength-as-probed-by-batch-and-column-experiments
#2
H P Emerson, F Zengotita, M Richmann, Y Katsenovich, D T Reed, T M Dittrich
The results presented in this paper highlight the complexity of adsorption and incorporation processes of Nd with dolomite and significantly improve upon previous work investigating trivalent actinide and lanthanide interactions with dolomite. Both batch and mini column experiments were conducted at variable ionic strength. These data highlight the strong chemisorption of Nd to the dolomite surface (equilibrium Kd 's > 3000 mL/g) and suggest that equilibrium adsorption processes may not be affected by ionic strength based on similar results at 0...
May 15, 2018: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/29775741/replacement-of-fishmeal-by-spirulina-arthrospira-platensis-affects-growth-immune-related-gene-expression-in-gibel-carp-carassius-auratus-gibelio-var-cas-iii-and-its-challenge-against-aeromonas-hydrophila-infection
#3
Shenping Cao, Peiyu Zhang, Tao Zou, Shuzhan Fei, Dong Han, Junyan Jin, Haokun Liu, Yunxia Yang, Xiaoming Zhu, Shouqi Xie
The present study examined the effect of dietary spirulina, Arthrospira platensis on growth performance, blood physiological indices, immune-related gene expressions and resistance of juvenile gibel carp against Aeromonas hydrophila infection. Four isonitrogenous (360 g kg-1 ) and isolipidic (90 g kg-1 ) diets were formulated with containing different levels of spirulina powder of 0 g (SP0, the control diet), 3.38 g (SP3.38), 6.76 g (SP6.76) and 13.52 g (SP13.52) per 100 g diet to replace 0%, 25%, 50% and 100% of fishmeal protein, respectively...
May 15, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29775668/current-approaches-to-the-discovery-of-novel-inhaled-medicines
#4
REVIEW
Peter Strong, Kazuhiro Ito, John Murray, Garth Rapeport
Inhaled administration is underutilised because the drug discovery process is viewed as challenging, risky, and expensive. However, unmet medical need continues to grow, and significant opportunities exist to discover novel inhaled medicines delivering the required lung concentrations while minimising systemic exposure. This profile could be achieved by a combination of properties, including lung retention and low oral bioavailability. Property-based rules exist for orally administered compounds, but there has been limited progress defining in silico predictors to guide the discovery of novel inhaled drugs...
May 15, 2018: Drug Discovery Today
https://www.readbyqxmd.com/read/29775645/mesenchymal-stromal-cells-induce-a-permissive-state-in-the-bone-marrow-that-enhances-g-csf-induced-hematopoietic-stem-cell-mobilization-in-mice
#5
Evert-Jan F M de Kruijf, Rob Zuijderduijn, Marjolein C Stip, Willem E Fibbe, Melissa van Pel
Mesenchymal stromal cells (MSC) support hematopoietic stem cells (HSC) in vivo and enhance HSC engraftment and hematopoietic recovery upon co-transplantation with HSC. These data have led to the hypothesis that MSC may impact the HSC niche, leading to changes in HSC retention and trafficking. We studied the effect of MSC administration on the HSC compartment in the bone marrow (BM) in mice. Following injection of MSC, HSC numbers in the BM were decreased coinciding with an increased cell cycle activity compared to PBS-injected controls...
May 15, 2018: Experimental Hematology
https://www.readbyqxmd.com/read/29775467/interactions-among-poverty-gender-and-health-systems-affect-women-s-participation-in-services-to-prevent-hiv-transmission-from-mother-to-child-a-causal-loop-analysis
#6
Jennifer Yourkavitch, Kristen Hassmiller Lich, Valerie L Flax, Elialilia S Okello, John Kadzandira, Anne Ruhweza Katahoire, Alister C Munthali, James C Thomas
Retention in care remains an important issue for prevention of mother-to-child transmission (PMTCT) programs according to WHO guidelines, formerly called the "Option B+" approach. The objective of this study was to examine how poverty, gender, and health system factors interact to influence women's participation in PMTCT services. We used qualitative research, literature, and hypothesized variable connections to diagram causes and effects in causal loop models. We found that many factors, including antiretroviral therapy (ART) use, service design and quality, stigma, disclosure, spouse/partner influence, decision-making autonomy, and knowledge about PMTCT, influence psychosocial health, which in turn affects women's participation in PMTCT services...
2018: PloS One
https://www.readbyqxmd.com/read/29775457/potassium-and-sodium-microdomains-in-thin-astroglial-processes-a-computational-model-study
#7
Kevin Breslin, John Joseph Wade, KongFatt Wong-Lin, Jim Harkin, Bronac Flanagan, Harm Van Zalinge, Steve Hall, Matthew Walker, Alexei Verkhratsky, Liam McDaid
A biophysical model that captures molecular homeostatic control of ions at the perisynaptic cradle (PsC) is of fundamental importance for understanding the interplay between astroglial and neuronal compartments. In this paper, we develop a multi-compartmental mathematical model which proposes a novel mechanism whereby the flow of cations in thin processes is restricted due to negatively charged membrane lipids which result in the formation of deep potential wells near the dipole heads. These wells restrict the flow of cations to "hopping" between adjacent wells as they transverse the process, and this surface retention of cations will be shown to give rise to the formation of potassium (K+) and sodium (Na+) microdomains at the PsC...
May 18, 2018: PLoS Computational Biology
https://www.readbyqxmd.com/read/29775049/bandgap-tunable-porous-borocarbonitrides-nanosheets-for-high-energy-density-supercapacitors
#8
Shouzhi Wang, Fukun Ma, Hehe Jiang, Yongliang Shao, Yongzhong Wu, Xiaopeng Hao
Bandgap tunable porous borocarbonitride (BCN) nanosheets were successfully fabricated with cheap and readily available precursors by annealing and exfoliating. The bandgap of the as-prepared BCN materials ranges from 5.5 eV to 1.0 eV, these samples exhibit beneficial structural features suitable for the application in supercapacitors (SCs). Especially, the BCN material with a bandgap of 1.0 eV exhibits great specific surface area (600.9 m2 g‒1), massive active sites and excellent conductivity (10.8 S m‒1)...
May 18, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29774991/aggregate-mesenchymal-stem-cell-delivery-ameliorates-the-regenerative-niche-for-muscle-repair
#9
Marissa A Ruehle, Hazel Y Stevens, Aaron M Beedle, Robert E Guldberg, Jarrod A Call
Duchenne muscular dystrophy (DMD) is a severe muscle wasting disease due to the absence of the dystrophin protein from the muscle cell membrane which renders the muscle susceptible to continuous damage. In DMD patients, muscle weakness, together with cycles of degeneration/regeneration and replacement with non-contractile tissue, limit mobility and lifespan. Since the loss of dystrophin result in loss of polarity and a reduction in the number of self-renewing satellite cells, it is postulated that these patients could achieve an improved quality of life if delivered cells could restore satellite cell function...
May 18, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29774893/prevalence-and-antimicrobial-sensitivity-pattern-of-urinary-tract-infection-among-children-with-cerebral-palsy-moshi-tanzania
#10
Amon Ryakitimbo, Rune Philemon, Festo Mazuguni, Levina Msuya
Background: Urinary tract infection (UTI) in children with cerebral palsy (CP) is a challenging yet common clinical condition. Children with CP bare the greatest risk of contracting UTI because of their difficulties in neuromotor control which lead to delay of bladder control, causing incomplete bladder emptying and urine retention. Method: This was an analytical cross-sectional study that was conducted from September 2016 to March 2017 at Comprehensive Community Based Rehabilitation in Tanzania - Moshi and Kilimanjaro Christian Medical Centre Neurological Pediatrics Outpatient Clinic...
2018: Pediatric Health, Medicine and Therapeutics
https://www.readbyqxmd.com/read/29774812/robot-assisted-simple-prostatectomy-by-an-extraperitoneal-approach
#11
Jens-Uwe Stolzenburg, Panagiotis Kallidonis, Iason Kyriazis, Dimitrios Kotsiris, Panteleimon Ntasiotis, Evangelos N Liatsikos
The incidence of symptomatic benign prostate hyperplasia and bladder outlet obstruction has increased during the last two decades. Most of men are treated conservatively. When medical therapy is inadequate to relief symptoms, surgical treatment is necessary. Absolute indications for surgical treatment are gross hematuria, recurrent urinary infections and retentions as well as bladder stones. With advent of minimally invasive surgery, large prostates tend to be treated either endoscopically or laparoscopically (including robotic assistance)...
May 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29774544/functional-molecules-in-mesothelial-to-mesenchymal-transition-revealed-by-transcriptome-analyses
#12
Sara Namvar, Adrian S Woolf, Leo A H Zeef, Thomas Wilm, Bettina Wilm, Sarah E Herrick
Peritoneal fibrosis is a common complication of abdominal and pelvic surgery, and can also be triggered by peritoneal dialysis, resulting in treatment failure. In these settings, fibrosis is driven by activated myofibroblasts that are considered to be partly derived by mesothelial-to-mesenchymal transition (MMT). We hypothesised that if the molecular signature of MMT could be better defined, these insights could be exploited to block this pathological cellular transition. Rat peritoneal mesothelial cells were purified, using an antibody to HBME1, a protein present on mesothelial cell microvilli, and streptavidin nanobead technology...
May 17, 2018: Journal of Pathology
https://www.readbyqxmd.com/read/29774188/gadofosveset-enhanced-magnetic-resonance-imaging-as-a-problem-solving-tool-for-diagnosing-colorectal-liver-metastases-a-case-report
#13
Helen Cheung, Paul Karanicolas, Natalie Coburn, Calvin Law, Laurent Milot
Due to significant improvements in morbidity and mortality, surgery with curative intent is now the standard of care for patients with colorectal liver metastases who are surgical candidates. As a result, highly accurate preoperative per-lesion diagnosis is crucial. However, in some instances, this remains limited with standard techniques, including magnetic resonance imaging (MRI) with conventional contrast agents. Delayed retention of contrast of fibrotic liver metastases on MRI with extracellular contrast agents may mimic the late retention of contrast in hemangiomas and represent a diagnostic pitfall that limits diagnosis...
April 2018: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/29774097/natriuretic-peptides-system-in-the-pulmonary-tissue-of-rats-with-heart-failure-potential-involvement-in-lung-edema-and-inflammation
#14
Emad E Khoury, Safa Kinaneh, Doron Aronson, Offer Amir, Diab Ghanim, Natalia Volinsky, Zaher Azzam, Zaid Abassi
Congestive heart failure (CHF) often leads to progressive cardiac hypertrophy and salt/water retention as evident by peripheral and lung edema. Although the pathogenesis of CHF remains largely unclarified, it is widely accepted that neurohormonal changes and inflammatory processes are profoundly involved in structural and functional deterioration of vital organs including, heart, kidney and lungs. Corin, a cardiac serine protease, is responsible for converting pro-ANP and pro-BNP to biologically active natriuretic peptides (NPs)...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29774064/tumour-homing-chimeric-polypeptide-conjugated-polypyrrole-nanoparticles-for-imaging-guided-synergistic-photothermal-and-chemical-therapy-of-cancer
#15
Mengmeng Sun, Jianwen Guo, Hanjun Hao, Tong Tong, Kun Wang, Weiping Gao
Near-infrared (NIR)-absorbing conjugated polymer nanoparticles are interesting for imaging-guided combination therapy, especially for synergistic photothermal therapy and chemotherapy; however, most of them target tumours passively through the enhanced permeability and retention (EPR) effect, leading to low utilization efficiency. To address this problem, we report an active tumour-targeting strategy of tumour-homing chimeric polypeptide-conjugated NIR-absorbing conjugated-polymer nanoparticles as a new class of drug nanocarriers for imaging-guided combination therapy of cancer...
2018: Theranostics
https://www.readbyqxmd.com/read/29773974/orexin-a-differentially-influences-the-extinction-retention-of-recent-and-remote-fear-memory
#16
Le Shi, Wenhao Chen, Jiahui Deng, Sijing Chen, Ying Han, Muhammad Z Khan, Jiajia Liu, Jianyu Que, Yanping Bao, Lin Lu, Jie Shi
Recently the role of the orexin system in the learning and memory, especially orexin A, which could enhance fear memory through regulating the activity of amygdala, has drawn considerable attention. However, the relationship between orexin A and extinction memory remains unclear. To investigate the effect of orexin A on extinction memory in humans, we recruited 43 male subjects and divided them into a recent group and remote group. After acquiring Pavlovian fear conditioning, individuals in recent group experienced fear extinction 24 h after acquisition, and remote group underwent extinction 2 weeks later...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29773453/a-structured-bowel-management-program-for-patients-with-severe-functional-constipation-can-help-decrease-emergency-department-visits-hospital-admissions-and-healthcare-costs
#17
Carlos A Reck-Burneo, Alejandra Vilanova-Sanchez, Alessandra C Gasior, Alexander J M Dingemans, Victoria A Lane, Robert Dyckes, Onnalisa Nash, Laura Weaver, Tassiana Maloof, Richard J Wood, Sarah Zobell, Michael D Rollins, Marc A Levitt
BACKGROUND: Published health-care costs related to constipation in children in the USA are estimated at $3.9 billion/year. We sought to assess the effect of a bowel management program (BMP) on health-care utilization and costs. METHODS: At two collaborating centers, BMP involves an outpatient week during which a treatment plan is implemented and objective assessment of stool burden is performed with daily radiography. We reviewed all patients with severe functional constipation who participated in the program from March 2011 to June 2015 in center 1 and from April 2014 to April 2016 in center 2...
March 24, 2018: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29773187/gd-accumulation-in-tissues-of-healthy-mice-upon-repeated-administrations-of-gadodiamide-and-gadoteridol
#18
Enza Di Gregorio, Rebecca Iani, Giuseppe Ferrauto, Raffaele Nuzzi, Silvio Aime, Eliana Gianolio
The aim of this work was to investigate, by five different administration protocols, the impact of the dosage, the time passed after the last injection and the frequency of injections, on accumulation and distribution of Gd-containing species in the body tissues of healthy mice upon repeated injections of Gadolinium Based Contrast Agents (GBCAs). Gadodiamide and Gadoteridol have been compared. The amount of Gd retained in several tissues/organs (cerebrum, cerebellum, spleen, liver, kidneys, eyes, skin, bone and muscle) has been assessed by ICP-MS upon administration of the GBCAs i) at three weeks or three months after the last administration, ii) when one, three or twelve doses of GBCA were administered and iii) when administrations were made every two weeks...
July 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29772960/is-music-a-memory-booster-in-normal-aging-the-influence-of-emotion
#19
Stéphie Ratovohery, Alexia Baudouin, Aude Gachet, Juliette Palisson, Pauline Narme
Age-related differences in episodic memory have been explained by a decrement in strategic encoding implementation. It has been shown in clinical populations that music can be used during the encoding stage as a mnemonic strategy to learn verbal information. The effectiveness of this strategy remains equivocal in older adults (OA). Furthermore, the impact of the emotional valence of the music used has never been investigated in this context. Thirty OA and 24 young adults (YA) learned texts that were either set to music that was positively or negatively valenced, or spoken only...
May 17, 2018: Memory
https://www.readbyqxmd.com/read/29772791/compounds-identification-in-semen-cuscutae-by-ultra-high-performance-liquid-chromatography-uplcs-coupled-to-electrospray-ionization-mass-spectrometry
#20
Ying Zhang, Hui Xiong, Xinfang Xu, Xue Xue, Mengnan Liu, Shuya Xu, Huan Liu, Yan Gao, Hui Zhang, Xiangri Li
Semen Cuscutae is commonly used in traditional Chinese medicine and contains a series of compounds such as flavonoids, chlorogenic acids and lignans. In this study, we identified different kinds of compositions by ultra-high-performance liquid chromatography (UPLC) coupled to electrospray ionization mass spectrometry (MS). A total of 45 compounds were observed, including 20 chlorogenic acids, 23 flavonoids and 2 lignans. 23 of them are reported for the first time including 6- O -caffeoyl- β -glucose, 3- O -(4'- O -Caffeoylglucosyl) quinic acid, etc...
May 17, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
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