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https://www.readbyqxmd.com/read/28646896/detection-of-the-plasmodium-falciparum-kelch-13-gene-p553l-mutation-in-sporozoites-isolated-from-mosquito-salivary-glands-in-south-central-vietnam
#1
Yoshimasa Maeno, Nguyen Tuyen Quang, Richard Culleton, Satoru Kawai, Gaku Masuda, Kaoru Hori, Shusuke Nakazawa, Ron P Marchand
BACKGROUND: Plasmodium falciparum has developed resistance against artemisinin in Southeast Asia. Mutations in the P. falciparum Kelch-13 (Pfk13) gene are associated with artemisinin resistance in vitro and in vivo. We investigated the prevalence of mutations in PfK13 from sporozoite-stage parasites isolated from the salivary glands of Anopheles dirus mosquitoes. METHODS: Mosquitoes were caught by human-landing catches at two locations within the Khanh Phu commune, South-Central Vietnam...
June 24, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28646728/evaluation-of-the-impact-of-vasa-previa-on-feto-placental-hormonal-synthesis-and-fetal-growth
#2
Yaakov Melcer, Ron Maymon, Marina Pekar-Zlotin, Orna Levinsohn-Tavor, Josef Tovbin, Eric Jauniaux
INTRODUCTION: A vasa previa (VP) refers to aberrant chorionic vessels which can either connect the chorionic plate to a velamentous cord (type I) or a succenturiate or accessory lobe to the main placental mass (type II). METHODS: We performed retrospective cohort study of 32 singleton pregnancies diagnosed with VP. The levels of maternal serum alpha-fetoprotein (AFP), human chorionic gonadotropin (hCG) and unconjugated estriol (uE3) were measured at 15-18 weeks as part of the triple test screening for Trisomy 21...
June 16, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28645275/rapid-monocyte-infiltration-following-retinal-detachment-is-dependent-on-non-canonical-il6-signaling-through-gp130
#3
Xinlei Wang, Eric B Miller, Mayank Goswami, Pengfei Zhang, Kaitryn E Ronning, Sarah J Karlen, Robert J Zawadzki, Edward N Pugh, Marie E Burns
BACKGROUND: Retinal detachment (RD) can lead to proliferative vitreoretinopathy (PVR), a leading cause of intractable vision loss. PVR is associated with a cytokine storm involving common proinflammatory molecules like IL6, but little is known about the source and downstream signaling of IL6 and the consequences for the retina. Here, we investigated the early immune response and resultant cytokine signaling following RD in mice. METHODS: RD was induced in C57BL/6 J and IL6 knockout mice, and the resulting inflammatory response was examined using immunohistochemistry and flow cytometry...
June 23, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28645206/catheter-based-renal-denervation-as-therapy-for-chronic-severe-kidney-related-pain
#4
Rosa L de Jager, Niek F Casteleijn, Esther de Beus, Michiel L Bots, Evert-Jan E Vonken, Ron T Gansevoort, Peter J Blankestijn
Background: Loin pain haematuria syndrome (LPHS) and autosomal dominant polycystic kidney disease (ADPKD) are the most important non-urological conditions to cause chronic severe kidney-related pain. Multidisciplinary programmes and surgical methods have shown inconsistent results with respect to pain reduction. Percutaneous catheter-based renal denervation (RDN) could be a less invasive treatment option for these patients. Methods: Our aim was to explore the change in perceived pain and use of analgesic medication from baseline to 3, 6 and 12 months after RDN...
June 22, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28644833/quantifying-the-web-browser-ecosystem
#5
Sela Ferdman, Einat Minkov, Ron Bekkerman, David Gefen
Contrary to the assumption that web browsers are designed to support the user, an examination of a 900,000 distinct PCs shows that web browsers comprise a complex ecosystem with millions of addons collaborating and competing with each other. It is possible for addons to "sneak in" through third party installations or to get "kicked out" by their competitors without user involvement. This study examines that ecosystem quantitatively by constructing a large-scale graph with nodes corresponding to users, addons, and words (terms) that describe addon functionality...
2017: PloS One
https://www.readbyqxmd.com/read/28642940/mass-spectrometry-imaging-for-clinical-research-latest-developments-applications-and-current-limitations
#6
REVIEW
Pierre-Maxence Vaysse, Ron M A Heeren, Tiffany Porta, Benjamin Balluff
Mass spectrometry is being used in many clinical research areas ranging from toxicology to personalized medicine. Of all the mass spectrometry techniques, mass spectrometry imaging (MSI), in particular, has continuously grown towards clinical acceptance. Significant technological and methodological improvements have contributed to enhance the performance of MSI recently, pushing the limits of throughput, spatial resolution, and sensitivity. This has stimulated the spread of MSI usage across various biomedical research areas such as oncology, neurological disorders, cardiology, and rheumatology, just to name a few...
June 23, 2017: Analyst
https://www.readbyqxmd.com/read/28642710/tacrolimus-updated-guidelines-through-poppk-modeling-how-to-benefit-more-from-cyp3a-pre-emptive-genotyping-prior-to-kidney-transplantation
#7
Jean-Baptiste Woillard, Michel Mourad, Michael Neely, Arnaud Capron, Ron H van Schaik, Teun van Gelder, Nuria Lloberas, Dennis A Hesselink, Pierre Marquet, Vincent Haufroid, Laure Elens
Tacrolimus (Tac) is a profoundly effective immunosuppressant that reduces the risk of rejection after solid organ transplantation. However, its use is hampered by its narrow therapeutic window along with its highly variable pharmacological (pharmacokinetic [PK] and pharmacodynamic [PD]) profile. Part of this variability is explained by genetic polymorphisms affecting the metabolic pathway. The integration of CYP3A4 and CY3A5 genotype in tacrolimus population-based PK (PopPK) modeling approaches has been proven to accurately predict the dose requirement to reach the therapeutic window...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28641153/lipoprotein-a-and-coronary-atheroma-progression-rates-during-long-term-high-intensity-statin-therapy-insights-from-saturn
#8
Rishi Puri, Christie M Ballantyne, Ron C Hoogeveen, Mingyuan Shao, Philip Barter, Peter Libby, M John Chapman, Raimund Erbel, Benoit J Arsenault, Joel S Raichlen, Steven E Nissen, Stephen J Nicholls
BACKGROUND & AIMS: Lipoprotein(a) [Lp(a)] is a low-density lipoprotein (LDL)-like particle that associates with major adverse cardiovascular events (MACE). We examined relationships between Lp(a) measurements and changes in coronary atheroma volume following long-term maximally-intensive statin therapy in coronary artery disease patients. METHODS: Study of coronary atheroma by intravascular ultrasound: Effect of Rosuvastatin Versus Atorvastatin (SATURN) used serial intravascular ultrasound measures of coronary atheroma volume in patients treated with rosuvastatin 40 mg or atorvastatin 80 mg for 24 months...
June 15, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28637770/analgesia-and-opioids-a-pharmacogenetics-shortlist-for-implementation-in-clinical-practice
#9
REVIEW
Maja Matic, Saskia N de Wildt, Dick Tibboel, Ron H N van Schaik
BACKGROUND: The use of opioids to alleviate pain is complicated by the risk of severe adverse events and the large variability in dose requirements. Pharmacogenetics (PGx) could possibly be used to tailor pain medication based on an individual's genetic background. Many potential genetic markers have been described, and the importance of genetic predisposition in opioid efficacy and toxicity has been demonstrated in knockout mouse models and human twin studies. Such predictors are especially of value for neonates and young children, in whom the assessment of efficacy or side effects is complicated by the inability of the patient to communicate this properly...
June 21, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28637294/over-time-impacts-of-pictorial-health-warning-labels-and-their-differences-across-smoker-subgroups-results-from-adult-smokers-in-canada-and-australia
#10
Kamala Swayampakala, James F Thrasher, Hua-Hie Yong, Gera E Nagelhout, Lin Li, Ron Borland, David Hammond, Richard J O'Connor, James W Hardin
Introduction: This study examines patterns of change in different smoker subgroups' responses to new pictorial health warning labels (HWLs) over the initial, two year post-implementation period in Canada, where HWLs include package inserts with cessation messages, and Australia, where "plain" packaging (i.e., prohibition of brand imagery) was also implemented. Methods: Data were collected from online consumer panels in Canada (nsmokers=3,153; nobservations=5,826) and Australia (nsmokers=2,699; nobservations=5,818) from September 2012 to September 2014, with approximately 1,000 adult smokers surveyed in each country every four months, using replenishment to maintain sample size...
June 16, 2017: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
https://www.readbyqxmd.com/read/28636208/a-phase-i-trial-of-prn1008-a-novel-reversible-covalent-inhibitor-of-bruton-s-tyrosine-kinase-in-healthy-volunteers
#11
Patrick F Smith, Janakan Krishnarajah, Philip A Nunn, Ron J Hill, Dane Karr, D Tam, Mohammad Masjedizadeh, Jens O Funk, Steve G Gourlay
AIM: To evaluate the safety, tolerability, and PK/PD of PRN1008, a novel BTK inhibitor, in healthy volunteers, and thus determine the dose range for future clinical studies. METHODS: This was a two-part randomized, placebo controlled study in healthy volunteers using a liquid formulation. Part I was a single ascending dose design with dose levels of 50 to 1200 mg (n=6 active, 2 placebo per cohort); Part II was a multiple ascending dose design, with dose regimens ranging from 300 mg to 900 mg daily, either qd or bd for 10 days...
June 21, 2017: British Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28636070/development-of-a-population-based-microsimulation-model-of-body-mass-index
#12
Deirdre Hennessy, Rochelle Garner, William M Flanagan Ron Wall And Claude Nadeau M Flanagan, Ron Wall, Claude Nadeau
BACKGROUND: The increasing prevalence of overweight and obesity has necessitated the development of body mass index (BMI) projection models such as the POpulation HEalth Model (POHEM). This study describes the POHEM-BMI model, a microsimulation tool that can be used to support evidence-based health policy making for obesity reduction. DATA AND METHODS: The National Population Health Survey, the Canadian Community Health Survey (CCHS), and the Canadian Health Measures Survey (CHMS) were used to develop and validate a predictive model of BMI for adults and childhood BMI history...
June 21, 2017: Health Reports
https://www.readbyqxmd.com/read/28635529/major-obstetric-hemorrhage-a-follow-up-survey-on-quality-of-life-of-women-and-their-partners
#13
Giel van Stralen, Laurine L M Ruijten, Ad A Kaptein, Ron Wolterbeek, Jos van Roosmalen
INTRODUCTION: A description is given of the quality of life (QOL) of women who were treated with peripartum embolization or hysterectomy for major obstetric hemorrhage (MOH). METHODS: Questionnaires assessing QOL, combined with questionnaires and drawings assessing illness perceptions, were used to compare women with MOH to reference groups provided by the questionnaires. RESULTS: Women who experienced MOH have similar scores on QOL questionnaires compared to reference groups...
February 9, 2017: Journal of Psychosomatic Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28634266/30-years-of-the-mineralocorticoid-receptor-the-brain-mineralocorticoid-receptor-a-saga-in-three-episodes
#14
REVIEW
Marian Joëls, E Ronald de Kloet
In 1968, Bruce McEwen discovered that (3)H-corticosterone administered to adrenalectomised rats is retained in neurons of hippocampus rather than those of hypothalamus. This discovery signalled the expansion of endocrinology into the science of higher brain regions. With this in mind, our contribution highlights the saga of the brain mineralocorticoid receptor (MR) in three episodes. First, the precloning era dominated by the conundrum of two types of corticosterone-binding receptors in the brain, which led to the identification of the high-affinity corticosterone receptor as the 'promiscuous' MR cloned in 1987 by Jeff Arriza and Ron Evans in addition to the classical glucocorticoid receptor (GR)...
July 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28633442/continuous-glucose-monitoring-in-female-nod-mice-reveals-daily-rhythms-and-a-negative-correlation-with-body-temperature
#15
Ron Korstanje, Jennifer L Ryan, Holly S Savage, Bonnie L Lyons, Kevin G Kane, Stacey J Sukoff Rizzo
Previous studies with continuous glucose monitoring in mice have been limited to several days or weeks, with the mouse's physical attachment to the equipment impacting behavior and measurements. In the current study we measured blood glucose and body temperature at 10-second intervals for 12 weeks in a cohort of NOD/ShiLtJ female mice using wireless telemetry. This allowed us, for the first time, to obtain a high-resolution profile of the circadian rhythm of these two parameters and the onset of hyperglycemic development in real time...
June 19, 2017: Endocrinology
https://www.readbyqxmd.com/read/28633383/commentary-utilization-of-quantitative-susceptibility-mapping-for-direct-targeting-of-the-subthalamic-nucleus-during-deep-brain-stimulation-surgery
#16
Ron L Alterman
No abstract text is available yet for this article.
June 14, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28631804/mandarin-fruit-quality-a-review
#17
REVIEW
Livnat Goldenberg, Yossi Yaniv, Ron Porat, Nir Carmi
During the last decade, there has been a continuous rise in consumption and global marketing of fresh, easy-to-peel mandarins, with current annual production of nearly 29 million tons. Nevertheless, most of the existing knowledge on quality traits of citrus fruit comes from research conducted on oranges and grapefruit, which are the main products for the citrus juice manufacturing industry; relatively little is yet known regarding the unique fruit quality traits of mandarins, nor about the great diversity in these traits among the various natural sub-groups and varieties of mandarins...
June 20, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28630880/prominent-lateral-spread-of-imaged-evoked-activity-beyond-cortical-columns-in-barrel-cortex-provides-foundation-for-coding-whisker-identity
#18
Nathan S Jacobs, Ron D Frostig
The posterior medial barrel subfield (PMBSF) of a rat primary somatosensory cortex exquisitely demonstrates topography and columnar organization, defining features of sensory cortices in the mammalian brain. Optical imaging and neuronal recordings in rat PMBSF demonstrate how evoked cortical activity following single whisker stimulation also rapidly spreads laterally into surrounding cortices, disregarding columnar and modality boundaries. The current study quantifies the spatial prominence of such lateral activity spreads by demonstrating that functional connectivity between laterally spaced cortical locations is actually stronger than between vertically spaced cortical locations...
July 2017: Neurophotonics
https://www.readbyqxmd.com/read/28630879/imaging-cajal-s-neuronal-avalanche-how-wide-field-optical-imaging-of-the-point-spread-advanced-the-understanding-of-neocortical-structure-function-relationship
#19
REVIEW
Ron D Frostig, Cynthia H Chen-Bee, Brett A Johnson, Nathan S Jacobs
This review brings together a collection of studies that specifically use wide-field high-resolution mesoscopic level imaging techniques (intrinsic signal optical imaging; voltage-sensitive dye optical imaging) to image the cortical point spread (PS): the total spread of cortical activation comprising a large neuronal ensemble evoked by spatially restricted (point) stimulation of the sensory periphery (e.g., whisker, pure tone, point visual stimulation). The collective imaging findings, combined with supporting anatomical and electrophysiological findings, revealed some key aspects about the PS including its very large (radius of several mm) and relatively symmetrical spatial extent capable of crossing cytoarchitectural borders and trespassing into other cortical areas; its relationship with underlying evoked subthreshold activity and underlying anatomical system of long-range horizontal projections within gray matter, both also crossing borders; its contextual modulation and plasticity; the ability of its relative spatiotemporal profile to remain invariant to major changes in stimulation parameters; its potential role as a building block for integrative cortical activity; and its ubiquitous presence across various cortical areas and across mammalian species...
July 2017: Neurophotonics
https://www.readbyqxmd.com/read/28630553/australia-abortion-and-human-rights
#20
Ronli Sifris, Suzanne Belton
This article adopts a human rights lens to consider Australian law and practice regarding elective abortion. As such, it considers Australian laws within the context of the right to equality, right to privacy, right to health, and right to life. After setting out the human rights framework and noting the connected nature of many of the rights (and their corresponding violations), the article shifts its focus to analyzing Australian law and practice within the framework of these rights. It considers the importance of decriminalizing abortion and regulating it as a standard medical procedure...
June 2017: Health and Human Rights
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