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https://www.readbyqxmd.com/read/28230287/therapeutic-potential-of-targeting-pi3k-akt-pathway-in-treatment-of-colorectal-cancer-rational-and-progress
#1
Afsane Bahrami, Majid Khazaei, Malihe Hasanzadeh, Soodabeh ShahidSales, Mona Joudi Mashhad, Marjaneh Farazestanian, Hamid Reza Sadeghnia, Majid Rezayi, Mina Maftouh, Seyed Mahdi Hassanian, Amir Avan
PI3K/AKT/mTOR signaling pathway is one of the key dysregulated pathways in different tumor types, including colorectal cancer (CRC). Activation of this pathway is shown to be related with cellular transformation, tumor progression, cell survival and drug resistance. There is growing body of data evaluating the value of PI3K/AKT/mTOR inhibitors in CRC (e.g., BEZ235, NVP-BEZ235, OSI-027, everolimus, MK-2206, KRX-0401, BYL719 and BKM120). This report summarizes the current knowledge about PI3K/AKT pathway and its cross talk with ERK/MAPK and mTOR pathways with particular emphasis on the value of targeting this pathway as a potential therapeutic target in treatment of colorectal cancer...
February 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28228971/exfoliation-of-graphene-sheets-via-high-energy-wet-milling-of-graphite-in-2-ethylhexanol-and-kerosene
#2
Al-Sayed Al-Sherbini, Mona Bakr, Iman Ghoneim, Mohamed Saad
Graphene sheets have been exfoliated from bulk graphite using high energy wet milling in two different solvents that were 2-ethylhexanol and kerosene. The milling process was performed for 60 h using a planetary ball mill. Morphological characteristics were investigated using scanning electron microscope (SEM) and transmission electron microscope (TEM). On the other hand, the structural characterization was performed using X-ray diffraction technique (XRD) and Raman spectrometry. The exfoliated graphene sheets have represented good morphological and structural characteristics with a valuable amount of defects and a good graphitic structure...
May 2017: Journal of Advanced Research
https://www.readbyqxmd.com/read/28228824/preferred-view-and-transducer-in-lumbar-ultrasound-in-overweight-and-obese-patients
#3
Shervin Farahmand, Somayeh Safavi, Shahriar Shahriarian, Mona Arbab, Hamed Basirghafoori, Shahram Bagheri-Hariri
BACKGROUND: Ultrasound can be used to facilitate lumbar puncture, especially in obese patients. METHODS: In this study, midline and paramedian approaches with curved and linear transducers were compared in patients with Body Mass Index (BMI) above 25 kg/m(2) for the identification of spinal landmarks. In each view, six major landmarks, including spinous process, ligamentum flavum, laminae, epidural space, subarachnoid space and posterior longitudinal ligament, were detected by emergency medicine residents and were then reviewed by radiologists...
February 2017: Ultrasound: Journal of the British Medical Ultrasound Society
https://www.readbyqxmd.com/read/28228528/clinical-genetic-and-structural-basis-of-congenital-adrenal-hyperplasia-due-to-11%C3%AE-hydroxylase-deficiency
#4
Ahmed Khattab, Shozeb Haider, Ameet Kumar, Samarth Dhawan, Dauood Alam, Raquel Romero, James Burns, Di Li, Jessica Estatico, Simran Rahi, Saleel Fatima, Ali Alzahrani, Mona Hafez, Noha Musa, Maryam Razzghy Azar, Najoua Khaloul, Moez Gribaa, Ali Saad, Ilhem Ben Charfeddine, Berenice Bilharinho de Mendonça, Alicia Belgorosky, Katja Dumic, Miroslav Dumic, Javier Aisenberg, Nurgun Kandemir, Ayfer Alikasifoglu, Alev Ozon, Nazli Gonc, Tina Cheng, Ursula Kuhnle-Krahl, Marco Cappa, Paul-Martin Holterhus, Munier A Nour, Daniele Pacaud, Assaf Holtzman, Sun Li, Mone Zaidi, Tony Yuen, Maria I New
Congenital adrenal hyperplasia (CAH), resulting from mutations in CYP11B1, a gene encoding 11β-hydroxylase, represents a rare autosomal recessive Mendelian disorder of aberrant sex steroid production. Unlike CAH caused by 21-hydroxylase deficiency, the disease is far more common in the Middle East and North Africa, where consanguinity is common often resulting in identical mutations. Clinically, affected female newborns are profoundly virilized (Prader score of 4/5), and both genders display significantly advanced bone ages and are oftentimes hypertensive...
February 22, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28227630/an-rf-powering-system-with-adaptive-impedance-matching-for-individual-health-monitoring-applications
#5
Zemin Liu, Yu-Pin Hsu, Mona M Hella, Zemin Liu, Yu-Pin Hsu, Mona M Hella, Yu-Pin Hsu, Mona M Hella, Zemin Liu
This paper presents a high-efficiency RF powering system, suitable for individual health monitoring applications. The system is composed of an antenna, an impedance matching network, and a two-stage full-wave RF-DC rectifier. A novel tuning mechanism is proposed to automatically adjust the impedance of the matching network. This mechanism can effectively improve the power efficiency of the system by 47% compared to the case without tuning. For the adaptive impedance, only a 5-bits binary weighted capacitor bank is required in the matching network...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226887/an-ultra-low-power-front-end-ic-for-wearable-health-monitoring-system
#6
Yu-Pin Hsu, Zemin Liu, Mona M Hella, Yu-Pin Hsu, Zemin Liu, Mona M Hella, Yu-Pin Hsu, Mona M Hella, Zemin Liu
This paper presents a low-power front-end IC for wearable health monitoring systems. The IC, designed in a standard 0.13μm CMOS technology, fully integrates a low-noise analog front-end (AFE) to process the weak bio-signals, followed by an analog-to-digital converter (ADC) to digitize the extracted signals. An AC-coupled driving buffer, that interfaces between the AFE and the ADC is introduced to scale down the power supply of the ADC. The power consumption decreases by 50% compared to the case without power supply scaling...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28225587/compms2miner-an-automatable-metabolite-identification-visualization-and-data-sharing-r-package-for-high-resolution-lc-ms-datasets
#7
William Matthew Bell Edmands, Lauren M Petrick, Dinesh Kumar Barupal, Augustin Scalbert, Mark Wilson, Jeffrey Wickliffe, Stephen M Rappaport
A long-standing challenge of untargeted metabolomic profiling by ultrahigh performance liquid chromatography-high resolution mass spectrometry (UHPLC-HRMS) is efficient transition from unknown mass spectral features to confident metabolite annotations. The compMS2Miner (Comprehensive MS2 Miner) package was developed in the R language to facilitate rapid, comprehensive feature annotation using a peak-picker-output and MS2 data files as inputs. The number of MS2 spectra that can be collected during a metabolomic profiling experiment far outweigh the amount of time required for pain-staking manual interpretation, therefore a degree of software workflow autonomy is required for broad-scale metabolite annotation...
February 22, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28225437/the-continuum-of-hiv-care-in-rural-communities-in-the-united-states-and-canada-what-is-known-and-future-research-directions
#8
Albrecht Helmut, Rebecca Dillingham, Robert S Hogg, Denise Jaworsky, Ken Kasper, Mona Loutfy, Lauren MacKenzie, Kathleen A McManus, Michael E Ohl, Kris Ann K Oursler, Scott D Rhodes, Katherine R Schafer, Hasina Samji, Stuart Skinner, Christina J Sun, Sharon Weissman
The nature of the HIV epidemic in the United States and Canada has changed with a shift towards rural areas. Socioeconomic factors, geography, cultural context, and evolving epidemics of injection drug use are coalescing to move the epidemic into locations where populations are dispersed and healthcare resources are limited. Rural-urban differences along the care continuum demonstrate the implications of this sociogeographic shift. Greater attention is needed to build a more comprehensive understanding of the rural HIV epidemic in the United States and Canada, including research efforts, innovative approaches to care delivery, and greater community engagement in prevention and care...
February 16, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28223279/distinct-contributions-of-complement-factors-to-platelet-activation-and-fibrin-formation-in-venous-thrombus-development
#9
Saravanan Subramaniam, Kerstin Jurk, Lukas Hobohm, Sven Jäckel, Mona Saffarzadeh, Kathrin Schwierczek, Philip Wenzel, Florian Langer, Christoph Reinhardt, Wolfram Ruf
Expanding evidence indicates multiple interactions between the hemostatic system and innate immunity and the coagulation and complement cascades. Here we show in a tissue factor (TF)-dependent model of flow restriction-induced venous thrombosis that complement factors (C) make distinct contributions to platelet activation and fibrin deposition. C3-deficiency causes prolonged bleeding, reduced thrombus incidence, thrombus size, fibrin and platelet deposition in the ligated inferior vena cava, and diminished platelet activation in vitro...
February 21, 2017: Blood
https://www.readbyqxmd.com/read/28220951/varieties-of-social-experience-the-religious-cultural-context-of-diverse-spiritual-exemplars
#10
Pamela Ebstyne King, Mona M Abo-Zena, Jonathan D Weber
From cultural developmental and relational developmental systems perspectives, the current study employed an exemplar research design along with qualitative content analysis to gain deeper understanding of how adolescents perceived the social influences on their religious and spiritual development (RSD) among religiously and culturally diverse youth. The sample included interviews of 28 highly spiritual youth aged 12-21 years (M = 17.73 years) from six countries and eight different religious traditions...
March 2017: British Journal of Developmental Psychology
https://www.readbyqxmd.com/read/28219991/impacts-on-global-health-from-nursing-research
#11
Kimberly Baltzell, Monica McLemore, Mona Shattell, Sally Rankin
Infectious disease continues to adversely affect populations in low- and middle-income countries. Investments in solutions often focus on technology, yet health-care workers remain in short supply. Nurses are the largest cadre of health-care workers and are largely responsible for patient care around the world. In fact, it is estimated that nurses care for nine out of every 10 patients seen. Importantly, sound nursing science contributes to solutions that directly impact patient care, especially, those that pertain to infectious disease...
February 20, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28219361/patient-experiences-questionnaire-for-interdisciplinary-treatment-for-substance-dependence-peq-itsd-reliability-and-validity-following-a-national-survey-in-norway
#12
Mona Haugum, Hilde Hestad Iversen, Oyvind Bjertnaes, Anne Karin Lindahl
BACKGROUND: Patient experiences are an important aspect of health care quality, but there is a lack of validated instruments for their measurement in the substance dependence literature. A new questionnaire to measure inpatients' experiences of interdisciplinary treatment for substance dependence has been developed in Norway. The aim of this study was to psychometrically test the new questionnaire, using data from a national survey in 2013. METHODS: The questionnaire was developed based on a literature review, qualitative interviews with patients, expert group discussions and pretesting...
February 20, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28218923/preventing-suicides-in-emergency-departments-and-inpatient-psychiatric-units-standards-of-care
#13
EDITORIAL
Mona Shattell
No abstract text is available yet for this article.
February 1, 2017: Journal of Psychosocial Nursing and Mental Health Services
https://www.readbyqxmd.com/read/28218359/diagnostic-value-of-smoothelin-and-vimentin-in-differentiating-muscularis-propria-from-muscularis-mucosa-of-bladder-carcinoma
#14
Noha Elkady, Asmaa Gaber Abdou, Mona Kandil, Noha Ghanem
BACKGROUND: Determination of the extent of involvement or pathological staging is one of the requirements for adequate evaluation of bladder cancer specimens. Therefore, the differentiation between MP and MM is essential for proper treatment and avoiding over or under staging. AIM: The present study aimed at evaluation of diagnostic value of smoothelin and vimentin expression both singly and in combination for differentiation between MM and MP. METHODS: This study was carried out on 59 cystectomy specimens of primary bladder carcinoma and eleven cystoscopic biopsies for non-neoplastic bladder lesions (cystitis)...
February 11, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/28217832/gestational-protein-restriction-study-of-the-probable-effects-on-cardiac-muscle-structure-and-function-in-adult-rats
#15
Mona G Amer, Nader M Mohamed, Aly A M Shaalan
Intrauterine growth restriction (IUGR) has been linked to heart disease in adulthood. This study aimed to examine the effect of gestational protein restriction during fetal and early postnatal life on the cardiac muscle structure and function in adult offspring. Pregnant female rats were randomly divided into two dietary groups: normal-protein diet (NP) and low-protein diet (LP). Fifteen male offspring from each group were included in the study. Offspring body weights were recorded at birth and monthly from weaning until 24 weeks of age while systolic blood pressure was measured weekly...
February 20, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/28217616/cocaine-induced-vasculitis-with-cutaneous-manifestation-a-recurrent-episode-after-2-years
#16
Thein Swe, Mona Pervil-Ulysse, Aam A Baqui
Cocaine is a popular recreational drug in the United States, and up to 70% of the seized cocaine contains levamisole which is an antihelminthic that can cause cutaneous vasculitis with necrosis and positive antineutrophil cytoplasmic antibodies (ANCAs). Here, we report a unique case of recurrent cocaine-induced vasculitis in a patient who smokes cocaine for more than 20 years. A 38-year-old woman complained of painful erythematous rash in her right arm and right thigh which appeared some hours after smoking cocaine...
July 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28217046/effect-of-nebulized-budesonide-on-respiratory-mechanics-and-oxygenation-in-acute-lung-injury-acute-respiratory-distress-syndrome-randomized-controlled-study
#17
Hatem Saber Mohamed, Mona Mohamed Abdel Meguid
BACKGROUND: We tested the hypothesis that nebulized budesonide would improve lung mechanics and oxygenation in patients with early acute lung injury (ALI) and/or acute respiratory distress syndrome (ARDS) during protective mechanical ventilation strategy without adversely affecting systemic hemodynamics. METHODS: Patients with ALI/ARDS were included and assigned into two groups; budesonide group (30 cases) in whom 1 mg-2 ml budesonide suspension was nebulized through the endotracheal tube and control group (30 cases) in whom 2 ml saline (placebo) were nebulized instead of budesonide...
January 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28216554/harnessing-nanoparticles-for-immunomodulation-and-vaccines
#18
REVIEW
Ariane C Gomes, Mona Mohsen, Martin F Bachmann
The first successful use of nanoparticles (NPs) for vaccination was reported almost 40 years ago with a virus-like particle-based vaccine against Hepatitis B. Since then, the term NP has been expanded to accommodate a large number of novel nano-sized particles engineered from a range of materials. The great interest in NPs is likely not only a result of the two successful vaccines against hepatitis B and Human Papilloma Virus (HPV) that use this technology, but also due to the versatility of those small-sized particles, as indicated by the wide range of applications reported so far, ranging from medicinal and cosmetics to purely technical applications...
February 14, 2017: Vaccines
https://www.readbyqxmd.com/read/28216389/mastery-of-pmdi-technique-asthma-control-and-quality-of-life-of-children-with-asthma-a-randomized-controlled-study-comparing-two-inhaler-technique-training-approaches
#19
Wesam G Ammari, Nussaibah Al-Hyari, Nathir Obeidat, Mona Khater, Amal Sabouba, Mark Sanders
OBJECTIVE: Verbal counselling (VC) is the clinical standard for training patients on correct inhaler use. Patients fail to recall their VC with time. Ethical approval was obtained to compare the pressurized metered dose inhaler (pMDI) VC with Trainhaler (TH), a novel pMDI inhalation flow and technique training device, in children with asthma. METHODS: At visit 1, 7-17 year-old children with a pMDI hand-lung coordination problem including a fast peak inhalation flow (PIF) through pMDI >60 L/min were randomized into either VC group that received verbal pMDI training; or into TH group that were trained on- and given TH to practice at home...
February 16, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28214226/cd49a-expression-defines-tissue-resident-cd8-t-cells-poised-for-cytotoxic-function-in-human-skin
#20
Stanley Cheuk, Heinrich Schlums, Irène Gallais Sérézal, Elisa Martini, Samuel C Chiang, Nicole Marquardt, Anna Gibbs, Ebba Detlofsson, Andrea Introini, Marianne Forkel, Charlotte Höög, Annelie Tjernlund, Jakob Michaëlsson, Lasse Folkersen, Jenny Mjösberg, Lennart Blomqvist, Marcus Ehrström, Mona Ståhle, Yenan T Bryceson, Liv Eidsmo
Tissue-resident memory T (Trm) cells form a heterogeneous population that provides localized protection against pathogens. Here, we identify CD49a as a marker that differentiates CD8(+) Trm cells on a compartmental and functional basis. In human skin epithelia, CD8(+)CD49a(+) Trm cells produced interferon-γ, whereas CD8(+)CD49a(-) Trm cells produced interleukin-17 (IL-17). In addition, CD8(+)CD49a(+) Trm cells from healthy skin rapidly induced the expression of the effector molecules perforin and granzyme B when stimulated with IL-15, thereby promoting a strong cytotoxic response...
February 13, 2017: Immunity
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