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https://www.readbyqxmd.com/read/28924734/evaluation-of-a-novel-electrosurgical-sealing-mode-in-an-ex-vivo-and-in-vivo-porcine-model
#1
Karolin Thiel, Walter Linzenbold, Markus D Enderle, B Nold, Alfred Königsrainer, Martin Schenk, Christian Thiel
BACKGROUND: Bipolar vessel sealing has been successfully introduced in a variety of procedures like prostatectomy, hysterectomy, and nephrectomy. In this study, we evaluated a new sealing mode-the thermoSEAL(®) mode (TSM)-operated with the VIO3 generator in an ex vivo and in vivo animal study and compared the results with the commercially available BiClamp mode (BCM), operated with the VIO300D generator. Two different instruments were used in combination with both modes, BiCision(®) and BiClamp(®) 201T (Erbe Elektromedizin GmbH)...
September 18, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28904881/numerical-expression-of-volume-status-using-the-bioimpedance-ratio-in-continuous-ambulatory-peritoneal-dialysis-patients-a-pilot-study
#2
Mun Jang, Won Hak Kim, Jung Hee Lee, Mi Soon Kim, Eun Kyoung Lee, So Mi Kim, Jai Won Chang
BACKGROUND: Volume overload results in higher mortality rates in patients on continuous ambulatory peritoneal dialysis (CAPD). The ratio of bioimpedance (RBI) might be a helpful parameter in adjusting dry body weight in CAPD patients. This study examined whether it is possible to distinguish between non-hypervolemic status and hypervolemic status in CAPD patients by using only RBI. METHODS: RBI was calculated as follows: RBI = impedance at 50 kHz/impedance at 500 kHz...
September 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/28878341/a-botrytis-cinerea-klp-7-kinesin-acts-as-a-virulence-determinant-during-plant-infection
#3
Pamil Tayal, Sumit Raj, Esha Sharma, Manoj Kumar, Vikram Dayaman, Nidhi Verma, Abhimanyu Jogawat, Meenakshi Dua, Rupam Kapoor, Atul Kumar Johri
Botrytis cinerea is a necrotrophic pathogen that infects many important crops. In an attempt to unravel some novel factors that govern pathogenicity in B. cinerea, Agrobacterium tumefaciens mediated transformation (ATMT) was deployed, and a number of tagged transformants were generated. Among these, a mutant, BCM-29 exhibited slower growth rate, reduced conidia size, conidiation and penetration. The mutant was also defective in secretion of oxalic acid (OA) and exhibited reduced activities of polygalacturonase (PG) and pectin methyl esterases (PME)...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28842804/on-understanding-the-chemical-origin-of-band-gaps
#4
J Contreras-García, Carlos Cardenas
Conceptual DFT and quantum chemical topology provide two different approaches based on the electron density to grasp chemical concepts. We present a model merging both approaches, in order to obtain physical properties from chemically meaningful fragments (bonds, lone pairs) in the solid. One way to do so is to use an energetic model that includes chemical quantities explicitly, so that the properties provided by conceptual DFT are directly related to the inherent organization of electrons within the regions provided by topological analysis...
August 25, 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28829810/extracellular-overhydration-linked-with-endothelial-dysfunction-in-the-context-of-inflammation-in-haemodialysis-dependent-chronic-kidney-disease
#5
Nicos Mitsides, Tom Cornelis, Natascha J H Broers, Nanda M P Diederen, Paul Brenchley, Frank M van der Sande, Casper G Schalkwijk, Jeroen P Kooman, Sandip Mitra
BACKGROUND: Haemodialysis (HD) patients are predisposed to dysregulated fluid balance leading to extracellular water (ECW) expansion. Fluid overload has been closely linked with outcome in these patients. This has mainly been attributed to cardiac volume overload, but the relation between abnormalities in fluid status with micro- and macrovascular dysfunction has not been studied in detail. We studied the interaction of macro- and microvascular factors in states of normal and over- hydration in HD-dependent CKD...
2017: PloS One
https://www.readbyqxmd.com/read/28829802/explaining-opinion-polarisation-with-opinion-copulas
#6
Nikolaos Askitas
An empirically founded and widely established driving force in opinion dynamics is homophily i.e. the tendency of "birds of a feather" to "flock together". The closer our opinions are the more likely it is that we will interact and converge. Models using these assumptions are called bounded confidence models (BCM) as they assume a tolerance threshold after which interaction is unlikely. They are known to produce one or more clusters, depending on the size of the bound, with more than one cluster being possible only in the deterministic case...
2017: PloS One
https://www.readbyqxmd.com/read/28817640/evaluation-of-multilocus-marker-efficacy-for-delineating-mangrove-species-of-west-coast-india
#7
Ankush Ashok Saddhe, Rahul Arvind Jamdade, Kundan Kumar
The plant DNA barcoding is a complex and requires more than one marker(s) as compared to animal barcoding. Mangroves are diverse estuarine ecosystem prevalent in the tropical and subtropical zone, but anthropogenic activity turned them into the vulnerable ecosystem. There is a need to build a molecular reference library of mangrove plant species based on molecular barcode marker along with morphological characteristics. In this study, we tested the core plant barcode (rbcL and matK) and four promising complementary barcodes (ITS2, psbK-psbI, rpoC1 and atpF-atpH) in 14 mangroves species belonging to 5 families from West Coast India...
2017: PloS One
https://www.readbyqxmd.com/read/28777876/qualitative-analysis-of-psoraleae-fructus-by-hplc-dad-tof-ms-fingerprint-and-quantitative-analysis-of-multi-components-by-single-marker
#8
Lianjun Luan, Xiaoyu Shen, Xuesong Liu, Yongjiang Wu, ManliangTan
A variety of bioactive substances may account for the recognized efficacy and wide clinical application of Psoraleae Fructus in China. A high performance liquid chromatography-diode array detector (HPLC-DAD) fingerprint method was developed to present the comprehensive phytochemical profile of the crude drug. Thirteen major compounds were separated and identified by high performance liquid chromatography coupled with time-of-flight mass spectrometry (HPLC/TOF-MS), namely psoralenoside (PO), isopsoralenoside (IPO), psoralen (PS), isopsoralen (IPS), neobavaisoflavone (NBF), bavachin (BC), corylin (CN), bavachromene (BCM), psoralidin (PD), isobavachalcone (IBC), bacachinin (BCN), corylifol A (CA), bakuchiol (BK)...
August 4, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/28775287/non-invasive-in-vivo-determination-of-viable-islet-graft-volume-by-111-in-exendin-3
#9
Wael A Eter, Inge Van der Kroon, Karolina Andralojc, Mijke Buitinga, Stefanie M A Willekens, Cathelijne Frielink, Desiree Bos, Lieke Joosten, Otto C Boerman, Maarten Brom, Martin Gotthardt
Pancreatic islet transplantation is a promising therapy for patients with type 1 diabetes. However, the duration of long-term graft survival is limited due to inflammatory as well as non-inflammatory processes and routine clinical tests are not suitable to monitor islet survival. (111)In-exendin-SPECT (single photon emission computed tomography) is a promising method to non-invasively image islets after transplantation and has the potential to help improve the clinical outcome. Whether (111)In-exendin-SPECT allows detecting small differences in beta-cell mass (BCM) and measuring the actual volume of islets that were successfully engrafted has yet to be demonstrated...
August 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28751656/gene-based-therapy-in-a-mouse-model-of-blue-cone-monochromacy
#10
Yuxin Zhang, Wen-Tao Deng, Wei Du, Ping Zhu, Jie Li, Fan Xu, Jingfen Sun, Cecilia D Gerstner, Wolfgang Baehr, L Boye Sanford, Chen Zhao, William W Hauswirth, Ji-Jing Pang
Cones are responsible for daylight, central, high acuity and color vision. Three proteins found in human cones, i.e. long-wavelength (L)-, middle-wavelength (M)-, and short-wavelength sensitive (S)-opsins, are responsible for red, green and blue color recognition, respectively. Human blue cone monochromacy (BCM) is characterized by functional loss of both L- and M-cone opsins due to mutations in the OPN1LW/OPN1MW gene cluster on the X chromosome. BCM patients, who rely on their vision from only S-cones and rods, suffer severely reduced visual acuity and impaired color vision...
July 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28651860/fractional-fetal-thigh-volume-in-the-prediction-of-normal-and%C3%A2-abnormal-fetal-growth-during-the-third-trimester-of%C3%A2-pregnancy
#11
Louise E Simcox, Jenny E Myers, Tim J Cole, Edward D Johnstone
BACKGROUND: Currently, 2-dimensional ultrasound estimation of fetal size rather than fetal growth is used to define fetal growth restriction, but single estimates in late pregnancy lack sensitivity and may identify small for gestational age rather than growth restriction. Single or longitudinal measures of 3-dimensional fractional thigh volume may address this problem. OBJECTIVE: We sought to derive normal values for 3-dimensional fractional thigh volume in the third trimester, determine if fractional thigh volume is superior to 2-dimensional ultrasound biometry alone for detecting fetal growth restriction, and determine whether individualized growth assessment parameters have the potential to identify fetal growth restriction remote from term delivery...
June 23, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28643022/androgen-receptor-expression-and-breast-cancer-mortality-in-a-population-based-prospective-cohort
#12
Karin Elebro, Pär-Ola Bendahl, Helena Jernström, Signe Borgquist
PURPOSE: The increase in clinical trials with androgen receptor (AR)-targeting drugs emphasizes the need of clarifying the role of AR expression in different breast cancer subtypes. AR confers good prognosis in estrogen receptor positive (ER+) breast cancer, but its role in ER-negative (ER-) breast cancer is unclear. The aim of this study was to elaborate on previous findings of a differential prognostic role for AR depending on ER status, using breast cancer mortality (BCM) as endpoint, in a population-based cohort from the Malmö Diet and Cancer Study...
June 22, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28622513/comprehensive-and-integrative-genomic-characterization-of-hepatocellular-carcinoma
#13
(no author information available yet)
Liver cancer has the second highest worldwide cancer mortality rate and has limited therapeutic options. We analyzed 363 hepatocellular carcinoma (HCC) cases by whole-exome sequencing and DNA copy number analyses, and we analyzed 196 HCC cases by DNA methylation, RNA, miRNA, and proteomic expression also. DNA sequencing and mutation analysis identified significantly mutated genes, including LZTR1, EEF1A1, SF3B1, and SMARCA4. Significant alterations by mutation or downregulation by hypermethylation in genes likely to result in HCC metabolic reprogramming (ALB, APOB, and CPS1) were observed...
June 15, 2017: Cell
https://www.readbyqxmd.com/read/28613081/maintenance-of-negative-fluid-balance-can-improve-endothelial-and-cardiac-functions-in-primary-hypertensive-patients
#14
Ali Yeşiltepe, Oguzhan Sıtkı Dizdar, Hasan Gorkem, Engin Dondurmacı, Eyup Ozkan, Ali Koç, Ahmet Oguz Baktır, Ali Ihsan Gunal
PURPOSE: The issue of unidentified volume expansion is well recognized as a cause for resistance to antihypertensive therapy. The aim of study is to identify contribution of negative fluid balance to hypertension control and impact on endothelial and cardiac functions among primary hypertensive patients who do not have kidney failure. MATERIALS AND METHODS: This is a prospective interventional study with one-year follow-up. Preceded by volume status measurements were performed by a body composition monitor (BCM), the patients were put on ambulatory blood pressure monitoring for 24 hours...
June 14, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28599115/recurrent-information-optimization-with-local-metaplastic-synaptic-dynamics
#15
Sensen Liu, ShiNung Ching
We consider the problem of optimizing information-theoretic quantities in recurrent networks via synaptic learning. In contrast to feedforward networks, the recurrence presents a key challenge insofar as an optimal learning rule must aggregate the joint distribution of the whole network. This challenge, in particular, makes a local policy (i.e., one that depends on only pairwise interactions) difficult. Here, we report a local metaplastic learning rule that performs approximate optimization by estimating whole-network statistics through the use of several slow, nested dynamical variables...
September 2017: Neural Computation
https://www.readbyqxmd.com/read/28559482/a-screen-for-rfah-suppressors-reveals-a-key-role-for-a-connector-region-of-termination-factor-rho
#16
Kuang Hu, Irina Artsimovitch
RfaH activates horizontally acquired operons that encode lipopolysaccharide core components, pili, toxins, and capsules. Unlike its paralog NusG, which potentiates Rho-mediated silencing, RfaH strongly inhibits Rho. RfaH is recruited to its target operons via a network of contacts with an elongating RNA polymerase (RNAP) and a specific DNA element called ops to modify RNAP into a pause- and NusG-resistant state. rfaH null mutations confer hypersensitivity to antibiotics and detergents, altered susceptibility to bacteriophages, and defects in virulence...
May 30, 2017: MBio
https://www.readbyqxmd.com/read/28555040/body-composition-analysis-allows-the-prediction-of-urinary-creatinine-excretion-and-of-renal-function-in-chronic-kidney-disease-patients
#17
Carlo Donadio
The aim of this study was to predict urinary creatinine excretion (UCr), creatinine clearance (CCr) and the glomerular filtration rate (GFR) from body composition analysis. Body cell mass (BCM) is the compartment which contains muscle mass, which is where creatinine is generated. BCM was measured with body impedance analysis in 165 chronic kidney disease (CKD) adult patients (72 women) with serum creatinine (SCr) 0.6-14.4 mg/dL. The GFR was measured ((99m)Tc-DTPA) and was predicted using the Modification of Diet in Renal Disease (MDRD) formula...
May 28, 2017: Nutrients
https://www.readbyqxmd.com/read/28546540/a-bioactive-chemical-markers-based-strategy-for-quality-assessment-of-botanical-drugs-xuesaitong-injection-as-a-case-study
#18
Zhenzhong Yang, Qing Shao, Zhiwei Ge, Ni Ai, Xiaoping Zhao, Xiaohui Fan
Current chemical markers based quality assessment methods largely fail to reflect intrinsic chemical complexity and multiple mechanisms of action of botanical drugs (BD). The development of novel quality markers is greatly needed. Here we propose bioactive chemical markers (BCM), defined as a group of chemo-markers that exhibit similar pharmacological activities comparable to the whole BD, which can therefore be used to effectively assess the quality of BD. As a proof-of-concept, a BCM-based strategy was developed and applied to Xuesaitong Injection (XST) for assessing the efficacy and consistency of different batches...
May 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28541456/crisprcloud-a-secure-cloud-based-pipeline-for-crispr-pooled-screen-deconvolution
#19
Hyun-Hwan Jeong, Seon Young Kim, Maxime W C Rousseaux, Huda Y Zoghbi, Zhandong Liu
Summary: We present a user-friendly, cloud-based, data analysis pipeline for the deconvolution of pooled screening data. This tool, CRISPRcloud, serves a dual purpose of extracting, clustering and analyzing raw next generation sequencing files derived from pooled screening experiments while at the same time presenting them in a user-friendly way on a secure web-based platform. Moreover, CRISPRcloud serves as a useful web-based analysis pipeline for reanalysis of pooled CRISPR screening datasets...
September 15, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28481116/overcoming-the-road-blocks-advancement-of-block-copolymer-micelles-for-cancer-therapy-in-the-clinic
#20
Loujin Houdaihed, James C Evans, Christine Allen
With countless preclinical studies on block copolymer micelles (BCMs) successfully demonstrating the superiority of these advanced drug delivery formulations over conventional formulations, it remains somehow discouraging that only a few have reached clinical evaluation and practice. With a critical eye, this review aims to compare and summarize the preclinical and clinical data available on several BCM formulations and to identify their primary role in drug delivery as "carrier" or "solubilizer". This review focuses on polymeric micelles that have reached clinical evaluation and/or are being pursued commercially...
August 7, 2017: Molecular Pharmaceutics
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