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https://www.readbyqxmd.com/read/29150416/-bicarbonate-from-physiology-to-treatment-for-all-clinicians
#1
Julie Beaume, Antoine Braconnier, Thibault Dolley-Hitze, Jean-Philippe Bertocchio
Acid-base regulation is essential to maintain homeostasis in humans. Carbonic acid/bicarbonate (H2CO3/HCO3(-)) couple is the most predominant extracellular buffer to keep plasma pH within a physiological range. The ability to (re)generate such a buffer is a key milestone that necessitates to understand a precise physiology of both renal tubule and digestive tract. Here, we first reviewed renal and digestive cycles of bicarbonate in physiology. We also reviewed pathological findings where acid-base disequilibrium is involved and nutritional and/or alkali therapy could be necessary...
November 14, 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/29147578/modelling-historical-changes-in-the-force-of-infection-of-chagas-disease-to-inform-control-and-elimination-programmes-application-in-colombia
#2
Zulma M Cucunubá, Pierre Nouvellet, Lesong Conteh, Mauricio Javier Vera, Victor Manuel Angulo, Juan Carlos Dib, Gabriel Jaime Parra-Henao, María Gloria Basáñez
Background: WHO's 2020 milestones for Chagas disease include having all endemic Latin American countries certified with no intradomiciliary Trypanosoma cruzi transmission, and infected patients under care. Evaluating the variation in historical exposure to infection is crucial for assessing progress and for understanding the priorities to achieve these milestones. Methods: Focusing on Colombia, all the available age-structured serological surveys (undertaken between 1995 and 2014) were searched and compiled...
2017: BMJ Global Health
https://www.readbyqxmd.com/read/29146144/drosophila-adult-muscle-development-and-regeneration
#3
REVIEW
Rajesh D Gunage, Nagaraju Dhanyasi, Heinrich Reichert, K VijayRaghavan
Myogenesis is a highly orchestrated, complex developmental process by which cell lineages that are mesodermal in origin generate differentiated multinucleate muscle cells as a final product. Considerable insight into the process of myogenesis has been obtained for the embryonic development of the larval muscles of Drosophila. More recently, the postembryonic development of the muscles of the adult fly has become a focus of experimental investigation of myogenesis since specific flight muscles of the fly manifest remarkable similarities to vertebrate muscles in their development and organization...
November 13, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/29142081/genetic-and-molecular-regulation-of-extrasynaptic-gaba-a-receptors-in-the-brain-therapeutic-insights-for-epilepsy
#4
Shu-Hui Chuang, Doodipala Samba Reddy
GABA-A receptors play a pivotal role in many brain diseases. Epilepsy is caused by acquired conditions and genetic defects in GABA receptor channels regulating neuronal excitability in the brain. The latter is referred to as GABA channelopathies. In the last two decades, major advances have been made in the genetics of epilepsy. The presence of specific GABAergic genetic abnormalities leading to some of the classical epileptic syndromes has been identified. Advances in molecular cloning and recombinant systems have helped characterize mutations in GABA-A receptor subunit genes in clinical neurology...
November 15, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29141393/-the-role-of-myelin-oligodendrocyte-glycoprotein-antibodies-for-detection-of-demyelinating-optic-neuritis
#5
S H Wei, Y Zhao
The incidence of neuromyelitis optica spectrum disorders (NMOSD) in the Asian population is much higher than in Europe and North America. Optic neuritis is the first sign of NMOSD for some people. Identification of aquaporin 4 antibody is a milestone in the research of NMOSD and has been included in the diagnosis standard of NMOSD, but about 20% to 30% of NMOSD patients is aquaporin 4 antibody-negative. With the cell-based assays, oligodendrocyte glycoprotein antibodies in demyelinating diseases of the central nervous system have aroused the attention of researchers...
November 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29141084/association-of-obsessive-compulsive-disorder-with-objective-indicators-of-educational-attainment-a-nationwide-register-based-sibling-control-study
#6
Ana Pérez-Vigil, Lorena Fernández de la Cruz, Gustaf Brander, Kayoko Isomura, Andreas Jangmo, Inna Feldman, Eva Hesselmark, Eva Serlachius, Luisa Lázaro, Christian Rück, Ralf Kuja-Halkola, Brian M D'Onofrio, Henrik Larsson, David Mataix-Cols
Importance: To our knowledge, the association of obsessive-compulsive disorder (OCD) and academic performance has not been objectively quantified. Objective: To investigate the association of OCD with objectively measured educational outcomes in a nationwide cohort, adjusting for covariates and unmeasured factors shared between siblings. Design, Setting, And Participants: This population-based birth cohort study included 2 115 554 individuals who were born in Sweden between January 1, 1976, and December 31, 1998, and followed up through December 31, 2013...
November 15, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/29140824/beginnings-of-astigmatism-understanding-and-management-in-the-19th-century
#7
Andrzej Grzybowski, Piotr Kanclerz
Within the last 200 years, the perception of astigmatism has evolved from that of an infrequent and peculiar defect of the eye to a distortion almost as common as spherical refractive errors. Most of the significant findings on this condition were made in the 19th century, including the first description by Thomas Young (1773-1829) and the introduction of the treatment methods used today. The purpose of this study was to investigate the milestones in the understanding and management of astigmatism that occurred up to the year 1900...
November 14, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/29139595/structure-and-electronic-properties-of-unnatural-base-pairs-role-of-dispersion-interactions
#8
Ayan Datta, Sk Jahiruddin, Nilangshu Mandal
Recent report of the success of unnatural base pairs (UBPs) like d5SICS-dNaM to be incorporated within the gene sequence and get replicated with DNA is an important milestone in synthetic biology. Followed by this, several other UBPs like dTPT3-dNaM, dTPT3-dFIMO, dTPT3-IMO, dTPT3-FEMO, FTPT3-NaM, FTPT3-FIMO, FTPT3-IMO, FTPT3-FEMO, have demonstrated similar or better retention and fidelity inside cell. Among these base pairs, dNaM-dTPT3 has been optimized to be a better fit inside a pAIO plasmid. Based on both implicit and explicit dispersion corrected density functional theory (DFT) calculations, we show that although the set of UBPs are significantly diverse in their elemental and structural configuration they do share a common trait of favoring a slipped parallel stacked dimer arrangement...
November 15, 2017: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/29137208/asbestos-ban-in-italy-a-major-milestone-not-the-final-cut
#9
Daniela Marsili, Alessia Angelini, Caterina Bruno, Marisa Corfiati, Alessandro Marinaccio, Stefano Silvestri, Amerigo Zona, Pietro Comba
Background and history: Italy was the main asbestos producer and one of the greatest consumers in 20th century Europe until the asbestos ban was introduced in 1992. Asbestos exposure affected the population in a wide range of working environments, namely mining and marketing of asbestos, asbestos cement production, shipyards and textile industries. This also determined a widespread environmental asbestos exposure affecting the surrounding communities. Methods: To investigate the drivers and difficulties of the process leading to the asbestos ban and its subsequent implementation, we focused on stakeholder involvement, environmental health policies, capacity building and communication...
November 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29135239/advances-in-sulfidation-of-zerovalent-iron-for-water-decontamination
#10
Jinxiang Li, Xueying Zhang, Yuankui Sun, Liping Liang, Bing-Cai Pan, Weiming Zhang, Xiaohong Guan
Sulfidation has gained increasing interest in recent years for improving the sequestration of contaminants by zerovalent iron (ZVI). In view of the bright prospects of the sulfidated ZVI (S-ZVI), this review comprehensively summarized the latest developments in sulfidation of ZVI, particularly that of nanoscale ZVI (S-nZVI). The milestones in development of S-ZVI technology including its background, enlightenment, synthesis, characterization, water remediation and treatment, etc., are summarized. Under most circumstances, sulfidation can enhance the sequestration of various organic compounds and metal(loid)s by ZVI to various extents...
November 14, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/29134114/a-single-center-analysis-of-factors-influencing-study-start-up-timeline-in-clinical-trials
#11
Brianna M Krafcik, Gheorghe Doros, Marina A Malikova
Aim: Efficient start-up phase in clinical trials is crucial to execution. The goal was to determine factors contributing to delays. Materials & methods: The start-up milestones were assessed for 38 studies and analyzed. Results: Total start-up time was shorter for following studies: device trials, no outsourcing, fewer ancillary services used and in interventional versus observational designs. The use of a centralized Institutional Review Board (IRB) versus a local IRB reduced time to approval...
November 2017: Future Science OA
https://www.readbyqxmd.com/read/29132630/evaluating-e-consultation-implementations-based-on-use-and-time-line-across-various-specialties
#12
Pratik J Parikh, Corinne Mowrey, Jennie Gallimore, Stephen Harrell, Brian Burke
BACKGROUND: Electronic Consultation (e-consults) can provide improved access, enhance patient and provider satisfaction, and reduce beneficiary travel expenses. We explored how e-consults were implemented across three specialty areas, diabetes (Diab), gastroenterology (GI), and neurosurgery (Neuro), at two Veterans Affairs hospitals in terms of strategies for use and time-lines. METHODS: We conducted observations and electronically shadowed patient e-consultations submitted to a specialty care service by primary care provider(s) at the two sites during a thirteen-month period...
December 2017: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/29132503/gyrification-of-the-cerebral-cortex-requires-fgf-signaling-in-the-mammalian-brain
#13
Naoyuki Matsumoto, Yohei Shinmyo, Yoshie Ichikawa, Hiroshi Kawasaki
Although it has been believed that the evolution of cortical folds was a milestone, allowing for an increase in the number of neurons in the cerebral cortex, the mechanisms underlying the formation of cortical folds are largely unknown. Here we show regional differences in the expression of fibroblast growth factor receptors (FGFRs) in the developing cerebral cortex of ferrets even before cortical folds are formed. By taking the advantage of our in utero electroporation technique for ferrets, we found that cortical folding was impaired in the ferret cerebral cortex when FGF signaling was inhibited...
November 14, 2017: ELife
https://www.readbyqxmd.com/read/29131782/a-new-milestone-for-stis-in-the-usa
#14
EDITORIAL
The Lancet
No abstract text is available yet for this article.
October 7, 2017: Lancet
https://www.readbyqxmd.com/read/29128965/abemaciclib-first-global-approval
#15
Esther S Kim
Abemaciclib (Verzenio™) is an orally administered inhibitor of cyclin-dependent kinases 4 and 6 that is being developed by Eli Lilly and Company. Abemaciclib has been approved in the USA for the treatment of hormone receptor (HR)-positive, human epidermal growth factor receptor 2 (HER2)-negative advanced or metastatic breast cancer, in combination with fulvestrant in women with disease progression following endocrine therapy, and as monotherapy in adult patients with disease progression following endocrine therapy and prior chemotherapy in the metastatic setting...
November 11, 2017: Drugs
https://www.readbyqxmd.com/read/29127587/copanlisib-first-global-approval
#16
Anthony Markham
Bayer are developing copanlisib (Aliqopa™)-a pan-class I phosphoinositide 3-kinase (PI3K) inhibitor-as a treatment for various haematological and solid malignancies. The US FDA has granted copanlisib accelerated approval for the treatment of adults with relapsed follicular lymphoma who have received at least two prior systemic therapies based on the results of a phase II trial. Phase III trials are underway evaluating copanlisib as treatment for relapsed/refractory diffuse large B-cell lymphoma and in combination with rituximab or rituximab-based chemotherapy or standard immunochemotherapy in patients with relapsed indolent B-cell non-Hodgkin's lymphoma...
November 10, 2017: Drugs
https://www.readbyqxmd.com/read/29127019/a-survey-on-recent-medical-school-graduate-comfort-with-the-level-1-milestones
#17
Michael E Petravick, J Lawrence Marsh, Matthew D Karam, Douglas R Dirschl
OBJECTIVE: The Next Accreditation System implemented 5 levels of milestones for orthopedic surgery residents in 2013. The Level 1 milestones were noted as those "expected of an incoming resident." While the milestones were intended for assessing resident progression and readiness for independent practice, this designation can also be used to assess how well prepared graduating medical students are for beginning an orthopedic surgery residency. The primary objective of this paper is to measure recent medical school graduate comfort with the Level 1 milestones...
November 7, 2017: Journal of Surgical Education
https://www.readbyqxmd.com/read/29125615/towards-lab-on-a-chip-diagnostics-for-malaria-elimination
#18
REVIEW
N Kolluri, C M Klapperich, M Cabodi
Malaria continues to be one of the most devastating diseases impacting global health. Although there have been significant reductions in global malaria incidence and mortality rates over the past 17 years, the disease remains endemic throughout the world, especially in low- and middle-income countries. The World Health Organization has put forth ambitious milestones moving toward a world free of malaria as part of the United Nations Millennium Goals. Mass screening and treatment of symptomatic and asymptomatic malaria infections in endemic regions is integral to these goals and requires diagnostics that are both sensitive and affordable...
November 10, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/29123674/characterization-of-temporal-coherence-of-hard-x-ray-free-electron-laser-pulses-with-single-shot-interferograms
#19
Taito Osaka, Takashi Hirano, Yuki Morioka, Yasuhisa Sano, Yuichi Inubushi, Tadashi Togashi, Ichiro Inoue, Kensuke Tono, Aymeric Robert, Kazuto Yamauchi, Jerome B Hastings, Makina Yabashi
Temporal coherence is one of the most fundamental characteristics of light, connecting to spectral information through the Fourier transform relationship between time and frequency. Interferometers with a variable path-length difference (PLD) between the two branches have widely been employed to characterize temporal coherence properties for broad spectral regimes. Hard X-ray interferometers reported previously, however, have strict limitations in their operational photon energies, due to the specific optical layouts utilized to satisfy the stringent requirement for extreme stability of the PLD at sub-ångström scales...
November 1, 2017: IUCrJ
https://www.readbyqxmd.com/read/29123606/evaluation-of-a-point-of-care-ultrasound-curriculum-for-indonesian-physicians-taught-by-first-year-medical-students
#20
Jonathan B Lee, Christina Tse, Thomas Keown, Michael Louthan, Christopher Gabriel, Alexander Anshus, Bima Hasjim, Katrina Lee, Esther Kim, Luke Yu, Allen Yu, Shadi Lahham, Steven Bunch, Maili Alvarado, Abdulatif Gari, John C Fox
BACKGROUND: The purpose of this study was to assess the short-term efficacy of a 4-week ultrasound curriculum taught by American first-year medical students to general practitioners working in public health care clinics, or puskesmas, in Bandung, Indonesia. METHODS: We performed a prospective, observational study of Indonesian health care practitioners from public clinics in Bandung, Indonesia. These practitioners were enrolled in a 4-week ultrasound training course taught by first-year American medical students...
2017: World Journal of Emergency Medicine
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