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Prolonged fasting

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https://www.readbyqxmd.com/read/28538168/the-menagerie-of-the-basal-forebrain-how-many-neural-species-are-there-what-do-they-look-like-how-do-they-behave-and-who-talks-to-whom
#1
REVIEW
Chun Yang, Stephen Thankachan, Robert W McCarley, Ritchie E Brown
The diverse cell-types of the basal forebrain control sleep-wake states, cortical activity and reward processing. Large, slow-firing, cholinergic neurons suppress cortical delta activity and promote cortical plasticity in response to reinforcers. Large, fast-firing, cortically-projecting GABAergic neurons promote wakefulness and fast cortical activity. In particular, parvalbumin/GABAergic neurons promote neocortical gamma band activity. Conversely, excitation of slower-firing somatostatin/GABAergic neurons promotes sleep through inhibition of cortically-projecting neurons...
May 21, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/28534370/research-on-the-coagulation-function-changes-in-non-small-cell-lung-cancer-patients-and-analysis-of-their-correlation-with-metastasis-and-survival
#2
Yongjun Qi, Jingwei Fu
PURPOSE: To investigate the relationship between coagulation function and prognosis of non-small cell lung cancer (NSCLC) patients. METHODS: 539 patients who were admitted to our hospital for the first time from December 2008 to December 2013 and pathologically diagnosed as NSCLC were enrolled in this study (study group), while 80 healthy persons served as controls (control group). Morning fasting venous blood samples were collected for coagulation function indexes, such as prothrombin time (PT), prothrombin time activity (PTA), international normalized ratio (INR), activated partial thromboplastin time (APTT), fibrinogen (Fib), D-dimer (D-D) and platelet count (PLT) and the coagulation function and survival rate were compared...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28527720/overactive-bladder-oab-a-symptom-in-search-of-a-disease-its-relationship-to-specific-lower-urinary-tract-symptoms-and-conditions
#3
Jason P Van Batavia, Andrew J Combs, Angela M Fast, Kenneth I Glassberg
BACKGROUND: The ICCS defines OAB by the subjective symptom of urgency; detrusor overactivity (DO) is only implied. While no other symptom is required, OAB can also be associated with urinary frequency, decreased functional bladder capacity, and incontinence. OBJECTIVE: We sought to determine how often these associated findings occur in OAB and what if any uroflow/EMG-defined conditions are found to be associated with it. METHODS: The charts of 548 children (231M, 318F; mean age 9...
March 10, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28527369/prolonged-epileptiform-eeg-runs-are-associated-with-persistent-seizures-in-juvenile-myoclonic-epilepsy
#4
Vibeke Arntsen, Trond Sand, Marte R Syvertsen, Eylert Brodtkorb
OBJECTIVE: In juvenile myoclonic epilepsy (JME), various EEG characteristics have been suggested as poor prognostic signs, but their significance is unclear. The aim of this study was to assess the influence of EEG variables on seizure and psychosocial outcome after a follow-up exceeding 20 years. METHODS: 396 EEG recordings were available for assessment in 40 patients (42 complete digital, 330 paper segments and 24 written reports only). Mean follow-up was 31 years (range 20-68)...
May 8, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28527155/status-of-laparoscopic-sleeve-gastrectomy-in-china-a-national-survey
#5
Shibo Lin, Wei Guan, Pankaj Hans, Hui Liang
BACKGROUND: Laparoscopic sleeve gastrectomy (LSG) is a favorable bariatric procedure. This study evaluated the status of LSG in China. METHODS: During the 4(th) International Forum of Bariatric and Metabolic Surgery in May 2016, Nanjing China, an on-the-spot questionnaire was filled out by 105 attending surgeons with experience of LSG. The feedback data was collected and analyzed. RESULTS: For preoperative preparations, surgeons preferred blood glucose control with insulin (61...
May 19, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28527055/cluster-headache-present-and-future-therapy
#6
Massimo Leone, Alessandro Giustiniani, Alberto Proietti Cecchini
Cluster headache is characterized by severe, unilateral headache attacks of orbital, supraorbital or temporal pain lasting 15-180 min accompanied by ipsilateral lacrimation, rhinorrhea and other cranial autonomic manifestations. Cluster headache attacks need fast-acting abortive agents because the pain peaks very quickly; sumatriptan injection is the gold standard acute treatment. First-line preventative drugs include verapamil and carbolithium. Other drugs demonstrated effective in open trials include topiramate, valproic acid, gabapentin and others...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28521135/synaptotagmin-7-mediated-asynchronous-release-boosts-high-fidelity-synchronous-transmission-at-a-central-synapse
#7
Fujun Luo, Thomas C Südhof
Synchronous release triggered by Ca(2+) binding to synaptotagmin-1, -2, or -9 is thought to drive fast synaptic transmission, whereas asynchronous release induced by Ca(2+) binding to synaptotagmin-7 is thought to produce delayed synaptic signaling, enabling prolonged synaptic computations. However, it is unknown whether synaptotagmin-7-dependent asynchronous release performs a physiological function at fast synapses lacking a prolonged signaling mode, such as the calyx of Held synapse. Here, we show at the calyx synapse that synaptotagmin-7-dependent asynchronous release indeed does not produce a prolonged synaptic signal after a stimulus train and does not contribute to short-term plasticity, but induces a steady-state, asynchronous postsynaptic current during stimulus trains...
May 17, 2017: Neuron
https://www.readbyqxmd.com/read/28513455/glucose-tolerance-disorders-during-treatment-with-glucocorticoids-in-patients-with-inflammatory-diseases-of-the-musculoskeletal-system-based-on-the-analysis-of-data-from-the-literature-and-own-research-results
#8
Piotr Dąbrowski, Maria Majdan
Glucocorticoids are among the most frequently used anti-inflammatory and immunosuppressive drugs. They are widely used in the treatment of numerous autoimmune disorders. However, the treatment with glucocorticoids is connected with the risk of a number of side effects. Among them, glucose tolerance disorders play an important role. The results of meta-analyses show that the risk of diabetes is from 1.4 to 2.5 times higher in the case of treated patients in comparison to the general population. Glucocorticoids can directly impair pancreatic β-cell secretion...
May 4, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28507680/an-albumin-based-tumor-targeted-oxaliplatin-prodrug-with-distinctly-improved-anticancer-activity-in-vivo
#9
Josef Mayr, Petra Heffeter, Diana Groza, Luis Galvez, Gunda Koellensperger, Alexander Roller, Beatrix Alte, Melanie Haider, Walter Berger, Christian R Kowol, Bernhard K Keppler
The design of targeted platinum(iv) prodrugs is a very promising approach to enhance the low selectivity of platinum(ii) drugs towards cancerous tissue in order to reduce the impact on healthy tissue and, consequently, the often severe side-effects. Herein, we report a set of mono-functionalized cis- and oxaliplatin-based platinum(iv) complexes bearing a maleimide moiety, which allows selective binding to serum albumin in the bloodstream. This leads not only to a prolonged plasma half-life by avoidance of fast renal clearance, but also to preferential accumulation of the drug in the tumor tissue due to the EPR-effect...
March 1, 2017: Chemical Science
https://www.readbyqxmd.com/read/28506413/nasotracheal-prolonged-safe-extubation-in-acute-respiratory-failure-post-thyroidectomy-an-efficacious-technique-to-avoid-tracheotomy-a-retrospective-analysis-of-a-large-case-series
#10
F Ferraro, C Gambardella, D Testa, L Santini, R Marfella, P Fusco, C P Lombardi, A Polistena, A Sanguinetti, N Avenia, G Conzo
BACKGROUND: Acute respiratory failure is a rare life threatening complication following thyroid surgery and its incidence is reported as high as 0.9%. Clinical presentation of severe acute respiratory failure is characterized by dyspnea, inspiratory airways distress, hypoxia and its standard current management is the orotracheal intubation and safe extubation. In case of persistent distress, tracheotomy is mandatory. The Authors, analysing a large acute respiratory failure clinical series, describe an innovative treatment of this severe condition: the nasotracheal prolonged safe extubation...
May 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28504161/rapid-fabrication-of-tio2-carboxymethyl-cellulose-coatings-capable-of-shielding-uv-antifog-and-delaying-support-aging
#11
Xiaozhou Li, Junping Lv, Dehuai Li, Lin Wang
Agricultural plastic films capable of shielding UV, filtering visible light and antifog are important to prolong their life and protect safeties of agriculturists and crops. In this work, high stable and small size TiO2@polymer nanoparticles (NPs) were prepared by an efficient one-pot microwave synthesis using titanic sulfate as Ti resource, carboxymethyl cellulose sodium (CMC) as complexing agent and stabilizer. The TiO2@CMC NPs obtained were then utilized to fabricate poly(ethylene imine) (PEI)/TiO2@CMC coatings on the surface of polypropylene films by a layer-by-layer assembly technique...
August 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28502676/the-influence-of-drug-distribution-and-drug-target-binding-on-target-occupancy-the-rate-limiting-step-approximation
#12
W E A de Witte, G Vauquelin, P H van der Graaf, E C M de Lange
The influence of drug-target binding kinetics on target occupancy can be influenced by drug distribution and diffusion around the target, often referred to as "rebinding" or "diffusion-limited binding". This gives rise to a decreased decline of the drug-target complex concentration as a result of a locally higher drug concentration that arises around the target, which leads to prolonged target exposure to the drug. This phenomenon has been approximated by the steady-state approximation, assuming a steady-state concentration around the target...
May 11, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28494915/injection-speed-of-spinal-anaesthesia-for-caesarean-delivery-in-asian-women-and-the-incidence-of-hypotension-a-randomised-controlled-trial
#13
Chun Fai Chiang, M Shahnaz Hasan, Sin Wan Tham, Sebastian Sundaraj, Ahmad Faris, Nagappan Ganason
STUDY OBJECTIVE: The purpose of this investigation was to determine if a slower speed of spinal anaesthesia injection would reduce the incidence of hypotension. STUDY DESIGN: Randomised controlled trial. SETTING: Tertiary level hospital in Malaysia. PATIENTS: 77 patients undergoing elective Caesarean delivery. INTERVENTION: Differing speeds of spinal injection. MEASUREMENTS: Systolic blood pressure was assessed every minute for the first 10min and incidence of hypotension (reduction in blood pressure of >30% of baseline) was recorded...
June 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/28490877/low-density-lipoprotein-coupled-micelles-with-reduction-and-ph-dual-sensitivity-for-intelligent-co-delivery-of-paclitaxel-and-sirna-to-breast-tumor
#14
Wen-Jing Zhu, Shu-di Yang, Chen-Xi Qu, Qiao-Ling Zhu, Wei-Liang Chen, Fang Li, Zhi-Qiang Yuan, Yang Liu, Ben-Gang You, Xue-Nong Zhang
Multidrug resistance (MDR) is a major obstacle for the clinical therapy of malignant human cancers. The discovery of RNA interference provides efficient gene silencing within tumor cells for reversing MDR. In this study, a new "binary polymer" low-density lipoprotein-N-succinyl chitosan-cystamine-urocanic acid (LDL-NSC-SS-UA) with dual pH/redox sensitivity and targeting effect was synthesized for the co-delivery of breast cancer resistance protein small interfering RNA (siRNA) and paclitaxel (PTX). In vivo, the co-delivering micelles can accumulate in tumor tissue via the enhanced permeability and retention effect and the specific recognition and combination of LDL and LDL receptor, which is overexpressed on the surface of tumor cell membranes...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28490511/impact-of-breakfast-skipping-compared-with-dinner-skipping-on-regulation-of-energy-balance-and-metabolic-risk
#15
Alessa Nas, Nora Mirza, Franziska Hägele, Julia Kahlhöfer, Judith Keller, Russell Rising, Thomas A Kufer, Anja Bosy-Westphal
Background: Meal skipping has become an increasing trend of the modern lifestyle that may lead to obesity and type 2 diabetes.Objective: We investigated whether the timing of meal skipping impacts these risks by affecting circadian regulation of energy balance, glucose metabolism, and postprandial inflammatory responses.Design: In a randomized controlled crossover trial, 17 participants [body mass index (in kg/m(2)): 23.7 ± 4.6] underwent 3 isocaloric 24-h interventions (55%, 30%, and 15% carbohydrate, fat, and protein, respectively): a breakfast skipping day (BSD) and a dinner skipping day (DSD) separated by a conventional 3-meal-structure day (control)...
May 10, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28487877/preoperative-fasting-among-adult-patients-for-elective-surgery-in-a-kenyan-referral-hospital
#16
George Njoroge, Lucy Kivuti-Bitok, Samuel Kimani
Background. Preoperative fasting (POF) is physiologically and precautionary important during anesthesia and surgery. POF from midnight has been practiced despite the recommended shorter practice. Objective. Assessing preoperative fasting among adult patients scheduled for elective surgery at Kenyatta National Hospital (KNH). Methods. A descriptive cross-sectional study involving 65 surgical patients. A questionnaire of mixed questions on demographics, reasons, source of instructions, opinion on instructions, time, premedication practices, outcome, and complains on NPO was used...
2017: International Scholarly Research Notices
https://www.readbyqxmd.com/read/28484814/contemporary-approaches-to-perioperative-iv-fluid-therapy
#17
REVIEW
Paul S Myles, Sam Andrews, Jonathan Nicholson, Dileep N Lobo, Monty Mythen
BACKGROUND: Intravenous fluid therapy is required for most surgical patients, but inappropriate regimens are commonly prescribed. The aim of this narrative review was to provide evidence-based guidance on appropriate perioperative fluid management. METHOD: We did a systematic literature search of the literature to identify relevant studies and meta-analyses to develop recommendations. RESULTS: Of 275 retrieved articles, we identified 25 articles to inform this review...
May 8, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28484096/modifications-of-silk-film-for-dual-delivery
#18
Vartika Dhyani, Neetu Singh
Silk biomaterials can be designed to provide architectural framework comparable of connate extracellular matrix in order to boost cell growth and eventual tissue regeneration. Silk (Bombyx mori) fibroins self-assemble into hydrophobic crystalline β sheets, which provide mechanical strength and tunable degradability. The next generation tissue engineering scaffolds aim at providing spatially controlled modulation of cell adhesion and differentiation, which can be achieved by spatially controlled surface functionalization of the scaffolds...
May 9, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28463627/modeling-a-morbillivirus-outbreak-in-hawaiian-monk-seals-to-aid-in-the-design-of-mitigation-programs
#19
Jason D Baker, Albert L Harting, Michelle M Barbieri, Stacie J Robinson, Frances M D Gulland, Charles L Littnan
We developed a stochastic susceptible-exposed-infectious-removed (SEIR) model to simulate a range of plausible morbillivirus outbreak scenarios in a randomly mixing population of 170 endangered Hawaiian monk seals (Neomonachus schauinslandi). We then modeled realistic vaccination and quarantine measures to determine the potential efficacy of such mitigation efforts. Morbillivirus outbreaks represent substantial risk to monk seals-91% of simulated baseline outbreaks grew (R0>1), and in one-third of the scenarios all, or nearly all, individuals were infected...
May 2, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28460350/spheroidal-formation-preserves-human-stem-cells-for-prolonged-time-under-ambient-conditions-for-facile-storage-and-transportation
#20
Bin Jiang, Li Yan, Zhengqiang Miao, Enqin Li, Koon Ho Wong, Ren-He Xu
Human stem cells are vulnerable to unfavorable conditions, and their transportation relies on costly and inconvenient cryopreservation. We report here that human mesenchymal stem cells (MSC) in spheroids survived ambient conditions (AC) many days longer than in monolayer. Under AC, the viability of MSC in spheroids remained >90% even after seven days, whereas MSC in monolayer mostly died fast. AC-exposed MSC spheroids, after recovery under normal monolayer culture conditions with controlled carbon dioxide and humidity contents, resumed typical morphology and proliferation, and retained differentiating and immunosuppressive capabilities...
April 18, 2017: Biomaterials
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