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https://www.readbyqxmd.com/read/28100483/electrophysiological-changes-in-12-year-old-children-born-mlp-reduced-vep-amplitude-in-mlp-children
#1
Lina H Raffa, Josefin Nilsson, Jovanna Dahlgren, Marita Andersson Grönlund
AIM: To study the electrophysiological changes in relation to fundus morphology in moderate-to-late preterm (MLP) children with no previous history of retinopathy of prematurity. METHODS: Visual acuity (VA), refraction and fundus variables measured by optical coherence tomography, pattern reversal visual evoked potentials and full-field electroretinography (ff-ERG) were obtained from 22 twelve-year-old MLP children (11 male, 11 female) and 21 full-term controls...
January 18, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28099477/chronic-maternal-low-protein-diet-in-mice-affects-anxiety-night-time-energy-expenditure-and-sleep-patterns-but-not-circadian-rhythm-in-male-offspring
#2
Randy F Crossland, Alfred Balasa, Rajesh Ramakrishnan, Sangeetha K Mahadevan, Marta L Fiorotto, Ignatia B Van den Veyver
Offspring of murine dams chronically fed a protein-restricted diet have an increased risk for metabolic and neurobehavioral disorders. Previously we showed that adult offspring, developmentally exposed to a chronic maternal low-protein (MLP) diet, had lower body and hind-leg muscle weights and decreased liver enzyme serum levels. We conducted energy expenditure, neurobehavioral and circadian rhythm assays in male offspring to examine mechanisms for the body-weight phenotype and assess neurodevelopmental implications of MLP exposure...
2017: PloS One
https://www.readbyqxmd.com/read/28088075/development-of-a-hypoxia-triggered-and-hypoxic-radiosensitized-liposome-as-a-doxorubicin-carrier-to-promote-synergetic-chemo-radio-therapy-for-glioma
#3
Hongmei Liu, Yandong Xie, Yafei Zhang, Yifan Cai, Baiyang Li, Honglin Mao, Yingguo Liu, Jun Lu, Longzhen Zhang, Rutong Yu
The treatment of malignant primary brain tumors is challenging. Concomitant radiochemotherapy has become the standard clinical treatment for malignant glioma, but there are two critical challenges to overcome in order to increase efficacy. First, glioma is known to have increased resistant to radiation due to its intra-tumoral hypoxia. In addition, the blood-brain barrier (BBB) restricts the distribution of the chemotherapeutic agent to the brain. Therefore, we developed a hypoxic radiosensitizer-prodrug liposome (MLP), in order to deliver DOX to the tumor and to overcome the above challenges, achieving a synergistic chemo-/radiotherapy treatment of malignant glioma...
January 3, 2017: Biomaterials
https://www.readbyqxmd.com/read/28046376/su-f-e-09-respiratory-signal-prediction-based-on-multi-layer-perceptron-neural-network-using-adjustable-training-samples
#4
W Sun, M Jiang, F Yin
PURPOSE: Dynamic tracking of moving organs, such as lung and liver tumors, under radiation therapy requires prediction of organ motions prior to delivery. The shift of moving organ may change a lot due to huge transform of respiration at different periods. This study aims to reduce the influence of that changes using adjustable training signals and multi-layer perceptron neural network (ASMLP). METHODS: Respiratory signals obtained using a Real-time Position Management(RPM) device were used for this study...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28045608/comparison-of-different-artificial-neural-network-ann-architectures-in-modeling-of-chlorella-sp-flocculation
#5
Alireza Moosavi Zenooz, Farzin Zokaee Ashtiani, Reza Ranjbar, Fatemeh Nikbakht, Oberon Bolouri
Biodiesel production from microalgae feedstock should be performed after growth and harvesting of the cells and the most feasible method for harvesting and dewatering of microalgae is flocculation. Flocculation modeling can be used for evaluation and prediction of its performance under different affective parameters. However, the modeling of flocculation in microalgae is not simple and has not performed yet, under all experimental conditions, mostly due to different behaviors of microalgae cells during the process under different flocculation conditions...
January 3, 2017: Preparative Biochemistry & Biotechnology
https://www.readbyqxmd.com/read/28045540/characterization-of-pegylated-liposomal-mitomycin-c-lipid-based-prodrug-promitil%C3%A2-by-high-sensitivity-differential-scanning-calorimetry-and-cryogenic-transmission-electron-microscopy
#6
Xiaohui Wei, Yogita Patil, Patricia Ohana, Yasmine Amitay, Hilary Shmeeda, Alberto Gabizon, Yechezkel Barenholz
The effect of a lipidated prodrug of mitomycin C (MLP) on the membrane of a pegylated liposome formulation (PL-MLP), also known as Promitil®, was characterized through high-sensitivity differential scanning calorimetry (DSC), and cryo-TEM. The thermodynamic analysis demonstrated that MLP led to the formation of heterogeneous domains in the membrane plane of PL-MLP. MLP concentrated in prodrug-rich domains, arranged in high-ordered crystal-like structures, as suggested by the sharp and high enthalpy endotherm in the 1st heating scanning...
January 3, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28028498/human-verification-using-a-combination-of-static-and-dynamic-characteristics-in-foot-pressure-images
#7
Fereshteh E Zare, Keivan Maghooli
Since gait is the mixture of many complex movements, each individual can define with a unique foot pressure image that can be used as a reliable biometric scale for human verification. Foot pressure color images of Center for Biometrics and Security Research (CBSR) dataset from 45 men and 5 women were used in this study. Owing to the properties of this dataset, an index of foot pressure in addition to external feature and contourlet coefficient of images was extracted. A multilayer perceptron (MLP) was utilized for verification of subjects (it is a common practice to explain more about the training and test dataset)...
October 2016: Journal of Medical Signals and Sensors
https://www.readbyqxmd.com/read/28006757/development-of-qsar-model-to-predict-the-ecotoxicity-of-vibrio-fischeri-using-cosmo-rs-descriptors
#8
Ouahid Ben Ghanem, M I Abdul Mutalib, Jean-Marc Lévêque, Mohanad El-Harbawi
Ionic liquids (ILs) are class of solvent whose properties can be modified and tuned to meet industrial requirements. However, a high number of potentially available cations and anions leads to an even increasing members of newly-synthesized ionic liquids, adding to the complexity of understanding on their impact on aquatic organisms. Quantitative structure activity∖property relationship (QSAR∖QSPR) technique has been proven to be a useful method for toxicity prediction. In this work,σ-profile descriptors were used to build linear and non-linear QSAR models to predict the ecotoxicities of a wide variety of ILs towards bioluminescent bacterium Vibrio fischeri...
December 5, 2016: Chemosphere
https://www.readbyqxmd.com/read/27993196/milk-fat-globule-epidermal-growth-factor-factor-viii-derived-peptide-msp68-is-a-cytoskeletal-immunomodulator-of-neutrophils-that-inhibits-rac1
#9
Louie Hendricks, Monowar Aziz, Weng-Lang Yang, Jeffrey Nicastro, Gene F Coppa, Marc Symons, Ping Wang
BACKGROUND: Prolonged neutrophil infiltration leads to exaggerated inflammation and tissue damage during sepsis. Neutrophil migration requires rearrangement of their cytoskeleton. Milk fat globule-epidermal growth factor-factor VIII-derived short peptide 68 (MSP68) has recently been shown to be beneficial in sepsis-induced tissue injury and mortality. We hypothesize that MSP68 inhibits neutrophil migration by modulating small GTPase Rac1-dependent cytoskeletal rearrangements. METHODS: Bone marrow-derived neutrophils (BMDNs) or whole lung digest isolated neutrophils were isolated from 8 to 10 wk old C57BL/6 mice by Percoll density gradient centrifugation...
February 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/27992352/machine-learning-approach-for-predicting-wall-shear-distribution-for-abdominal-aortic-aneurysm-and-carotid-bifurcation-models
#10
Milos Jordanski, Milos Radovic, Zarko Milosevic, Nenad Filipovic, Zoran Obradovic
Computer simulations based on the finite element method (FEM) represent powerful tools for modeling blood flow through arteries. However, due to its computational complexity, this approach may be inappropriate when results are needed quickly. In order to reduce computational time, in this paper we proposed an alternative machine learning based approach for calculation of wall shear stress (WSS) distribution, which may play an important role in mechanisms related to initiation and development of atherosclerosis...
December 14, 2016: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/27942094/glioma-grading-using-cell-nuclei-morphologic-features-in-digital-pathology-images
#11
Syed M S Reza, Khan M Iftekharuddin
This work proposes a computationally efficient cell nuclei morphologic feature analysis technique to characterize the brain gliomas in tissue slide images. In this work, our contributions are two-fold: 1) obtain an optimized cell nuclei segmentation method based on the pros and cons of the existing techniques in literature, 2) extract representative features by k-mean clustering of nuclei morphologic features to include area, perimeter, eccentricity, and major axis length. This clustering based representative feature extraction avoids shortcomings of extensive tile [1] [2] and nuclear score [3] based methods for brain glioma grading in pathology images...
February 27, 2016: Proceedings of SPIE
https://www.readbyqxmd.com/read/27921405/thrombolytic-therapy-up-regulates-inflammatory-mediators-compared-to-percutaneous-coronary-intervention-pci
#12
Alireza Garjani, Bahram Sohrabi, Ali Akbar Movassaghpour, Sina Andalib, Mehriar Shokri, Bahar Taherkhanchi, Bahador Bagheri
The important role of reperfusion therapies in the treatment of acute myocardial infarction is well documented. However, reperfusion therapies can initiate inflammatory response and may damage the myocardium. The purpose of current study was to compare the effects of percutaneous coronary intervention and thrombolytic therapy on inflammatory markers in the setting of ST elevation myocardial infarction (STEMI). Eighty three patients with STEMI were enrolled in this study. 40 patients underwent percutaneous coronary intervention (PCI), and 43 patients received streptokinase (1...
August 2016: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/27920699/asymptomatic-multiple-lymphomatous-polyposis-identified-during-staging-bidirectional-endoscopy-of-mantle-cell-lymphoma
#13
Sonja P Dawsey, Jason A Gregory, Alexander W Brown, Frances J Jones
Multiple lymphomatous polyposis (MLP) as an extranodal manifestation of mantle cell lymphoma (MCL) in the gastrointestinal tract is rare and not often reported in the literature. We describe the case of a 63-year-old female with asymptomatic MLP found during staging bidirectional endoscopy of MCL. The patient presented only with dyspnea, but was found on physical exam to have diffuse lymphadenopathy, and subsequent positron emission tomography (PET) CT showed extensive lymph node adenopathy consistent with lymphoma...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27919382/a-clinical-decision-support-system-for-prediction-of-pregnancy-outcome-in-pregnant-women-with-systemic-lupus-erythematosus
#14
Khadijeh Paydar, Sharareh R Niakan Kalhori, Mahmoud Akbarian, Abbas Sheikhtaheri
OBJECTIVE: Pregnancy among systemic lupus erythematosus (SLE)-affected women is highly associated with poor obstetric outcomes. Predicting the risk of foetal outcome is essential for maximizing the success of pregnancy. This study aimed to develop a clinical decision support system (CDSS) to predict pregnancy outcomes among SLE-affected pregnant women. METHODS: We performed a retrospective analysis of 149 pregnant women with SLE, who were followed at Shariati Hospital (104 pregnancies) and a specialized clinic (45 pregnancies) from 1982 to 2014...
January 2017: International Journal of Medical Informatics
https://www.readbyqxmd.com/read/27904990/computer-modeling-in-predicting-the-bioactivity-of-human-5-lipoxygenase-inhibitors
#15
Mengdi Zhang, Zhonghua Xia, Aixia Yan
5-Lipoxygenase (5-LOX) is a key enzyme in the inflammatory path. Inhibitors of 5-LOX are useful for the treatment of diseases like arthritis, cancer, and asthma. We have collected a dataset including 220 human 5-LOX inhibitors for classification. A self-organizing map (SOM), a support vector machine (SVM), and a multilayer perceptron (MLP) algorithm were used to build models with selected descriptors for classifying 5-LOX inhibitors into active and weakly active ones. MACCS fingerprints were used in this model building process...
November 30, 2016: Molecular Diversity
https://www.readbyqxmd.com/read/27903138/partnerships-between-health-care-and-legal-providers-in-the-veterans-health-administration
#16
Jack Tsai, Margaret Middleton, Randye Retkin, Cindy Johnson, Kevin Kenneally, Scott Sherman, Robert A Rosenheck
Medical-legal partnerships (MLPs) represent an innovative service model in which lawyers are integrated into health care teams to address diverse legal problems that affect vulnerable populations. The Veterans Health Administration (VHA) operates the largest safety-net health care system in the country and serves many low-income and disabled veterans who could benefit from MLP services. In this column, the authors describe the development and operations of MLPs at four VHA medical centers that serve veterans who are homeless or who have serious mental illness...
December 1, 2016: Psychiatric Services: a Journal of the American Psychiatric Association
https://www.readbyqxmd.com/read/27899607/the-adenovirus-l4-22k-protein-regulates-transcription-and-rna-splicing-via-a-sequence-specific-single-stranded-rna-binding
#17
Susan Lan, Wael Kamel, Tanel Punga, Göran Akusjärvi
The adenovirus L4-22K protein both activates and suppresses transcription from the adenovirus major late promoter (MLP) by binding to DNA elements located downstream of the MLP transcriptional start site: the so-called DE element (positive) and the R1 region (negative). Here we show that L4-22K preferentially binds to the RNA form of the R1 region, both to the double-stranded RNA and the single-stranded RNA of the same polarity as the nascent MLP transcript. Further, L4-22K binds to a 5'-CAAA-3' motif in the single-stranded RNA, which is identical to the sequence motif characterized for L4-22K DNA binding...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27899332/artificial-neural-network-for-suppression-of-banding-artifacts-in-balanced-steady-state-free-precession-mri
#18
Ki Hwan Kim, Sung-Hong Park
The balanced steady-state free precession (bSSFP) MR sequence is frequently used in clinics, but is sensitive to off-resonance effects, which can cause banding artifacts. Often multiple bSSFP datasets are acquired at different phase cycling (PC) angles and then combined in a special way for banding artifact suppression. Many strategies of combining the datasets have been suggested for banding artifact suppression, but there are still limitations in their performance, especially when the number of phase-cycled bSSFP datasets is small...
November 27, 2016: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/27886024/predicting-adherence-to-use-of-remote-health-monitoring-systems-in-a-cohort-of-patients-with-chronic-heart-failure
#19
Lorraine S Evangelista, Hassan Ghasemzadeh, Jung-Ah Lee, Ramin Fallahzadeh, Majid Sarrafzadeh, Debra K Moser
BACKGROUND: It is unclear whether subgroups of patients may benefit from remote monitoring systems (RMS) and what user characteristics and contextual factors determine effective use of RMS in patients with heart failure (HF). OBJECTIVE: The study was conducted to determine whether certain user characteristics (i.e. personal and clinical variables) predict use of RMS using advanced machine learning software algorithms in patients with HF. METHODS: This pilot study was a single-arm experimental study with a pre- (baseline) and post- (3 months) design; data from the baseline measures were used for the current data analyses...
November 18, 2016: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/27875861/analyzing-signal-attenuation-in-pfg-anomalous-diffusion-via-a-non-gaussian-phase-distribution-approximation-approach-by-fractional-derivatives
#20
Guoxing Lin
Anomalous diffusion exists widely in polymer and biological systems. Pulsed-field gradient (PFG) techniques have been increasingly used to study anomalous diffusion in nuclear magnetic resonance and magnetic resonance imaging. However, the interpretation of PFG anomalous diffusion is complicated. Moreover, the exact signal attenuation expression including the finite gradient pulse width effect has not been obtained based on fractional derivatives for PFG anomalous diffusion. In this paper, a new method, a Mainardi-Luchko-Pagnini (MLP) phase distribution approximation, is proposed to describe PFG fractional diffusion...
November 21, 2016: Journal of Chemical Physics
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