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https://www.readbyqxmd.com/read/28432605/cardiac-magnetic-resonance-imaging-in-heart-failure-where-the-alphabet-begins
#1
REVIEW
Ahmed Aljizeeri, Abdulbaset Sulaiman, Naji Alhulaimi, Ahmed Alsaileek, Mouaz H Al-Mallah
Cardiac Magnetic Resonance Imaging has become a cornerstone in the evaluation of heart failure. It provides a comprehensive evaluation by answering all the pertinent clinical questions across the full pathological spectrum of heart failure. Nowadays, CMR is considered the gold standard in evaluation of ventricular volumes, wall motion and systolic function. Through its unique ability of tissue characterization, it provides incremental diagnostic and prognostic information and thus has emerged as a comprehensive imaging modality in heart failure...
April 22, 2017: Heart Failure Reviews
https://www.readbyqxmd.com/read/28422164/on-the-role-of-the-electrical-field-in-spark-plasma-sintering-of-uo2-x
#2
Vaclav Tyrpekl, Mohamed Naji, Michael Holzhäuser, Daniel Freis, Damien Prieur, Philippe Martin, Bert Cremer, Mairead Murray-Farthing, Marco Cologna
The electric field has a large effect on the stoichiometry and grain growth of UO2+x during Spark Plasma Sintering. UO2+x is gradually reduced to UO2.00 as a function of sintering temperature and time. A gradient in the oxidation state within the pellets is observed in intermediate conditions. The shape of the gradient depends unequivocally on the direction of the electrical field. The positive surface of the pellet shows a higher oxidation state compared to the negative one. An area with larger grain size is found close to the positive electrode, but not in contact with it...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28418065/vitamin-e-for-alzheimer-s-dementia-and-mild-cognitive-impairment
#3
REVIEW
Nicolas Farina, David Llewellyn, Mokhtar Gad El Kareem Nasr Isaac, Naji Tabet
BACKGROUND: Vitamin E occurs naturally in the diet. It has several biological activities, including functioning as an antioxidant to scavenge toxic free radicals. Evidence that free radicals may contribute to the pathological processes behind cognitive impairment has led to interest in the use of vitamin E supplements to treat mild cognitive impairment (MCI) and Alzheimer's disease (AD). This is an update of a Cochrane Review first published in 2000, and previously updated in 2006 and 2012...
April 18, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28415542/bladder-smooth-muscle-cells-on-electrospun-poly-%C3%AE%C2%B5-caprolactone-poly-l-lactic-acid-scaffold-promote-bladder-regeneration-in-a-canine-model
#4
Nasser Shakhssalim, Masoud Soleimani, Mohammad M Dehghan, Javad Rasouli, Masoud Taghizadeh-Jahed, Peyman M Torbati, Mohammad Naji
Engineering of urinary bladder has been the focus of numerous studies in recent decade. Novel biomaterials, innovative fabrication methods and various modification processes of scaffolds are the critical issues to find supportive matrices. Supportive characteristics of electrospun PCL/PLLA nano-scaffold for bladder augmentation in canine model and the role of bladder cells in regeneration process were appraised. Electrospun PCL/PLLA was fabricated by co-electrospinning of PCL and PLLA. Bladder cells were isolated and transduced with lentiviral particles encoding eGFP and JRed proteins...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28399539/pigment-epithelium-derived-factor-declines-in-response-to-an-oral-glucose-load-and-is-correlated-with-vitamin-d-and-bmi-but-not-diabetes-status-in-children-and-young-adults
#5
Allison C Sylvetsky, Najy T Issa, Avinash Chandran, Rebecca J Brown, Hussam J Alamri, Gabriella Aitcheson, Mary Walter, Kristina I Rother
BACKGROUND: Pigment epithelium-derived factor (PEDF) is associated with obesity and diabetes complications in adults, yet little is known about PEDF in younger individuals. We investigated the relationship between PEDF and various metabolic biomarkers in young healthy volunteers (HV) and similar-aged patients with diabetes (type 1 and type 2). METHODS: A fasting blood sample was collected in 48 HV, 11 patients with type 1 diabetes (T1D), and 11 patients with type 2 diabetes (T2D) 12-25 years of age...
April 11, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28390813/bile-acids-and-bariatric-surgery
#6
REVIEW
Vance L Albaugh, Babak Banan, Hana Ajouz, Naji N Abumrad, Charles R Flynn
Bariatric surgery, specifically Roux-en-Y gastric bypass (RYGB) and vertical sleeve gastrectomy (VSG), are the most effective and durable treatments for morbid obesity and potentially a viable treatment for type 2 diabetes (T2D). The resolution rate of T2D following these procedures is between 40 and 80% and far surpasses that achieved by medical management alone. The molecular basis for this improvement is not entirely understood, but has been attributed in part to the altered enterohepatic circulation of bile acids...
April 5, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/28390200/comparative-plaque-removal-efficacy-of-three-manual-toothbrushes
#7
A Ghassemi, L Vorwerk, W Hooper, M Kwang, M Naji, C R Goyal, J Qaqish
OBJECTIVES: The purpose of this study was to determine the safety and plaque-reducing effectiveness of a newly designed manual toothbrush compared to that of a leading marketed toothbrush and a reference standard manual toothbrush control. METHODS: This examiner-blind, randomized, single-use study used a cross-over design. Sixty-eight qualifying male and female subjects were randomly assigned either an Arm & Hammer™ Truly Radiant™ Deep Clean manual toothbrush (TR), a Colgate® Extra Clean manual toothbrush (C), or an ADA reference standard manual toothbrush (SM) according to one of three computer-generated sequences...
September 2016: Journal of Clinical Dentistry
https://www.readbyqxmd.com/read/28383137/provenance-establishment-of-stingless-bee-honey-using-multi-element-analysis-in-combination-with-chemometrics-techniques
#8
Aidil Fahmi Shadan, Naji A Mahat, Wan Aini Wan Ibrahim, Zaiton Ariffin, Dzulkiflee Ismail
As consumption of stingless bee honey has been gaining popularity in many countries including Malaysia, ability to identify accurately its geographical origin proves pertinent for investigating fraudulent activities for consumer protection. Because a chemical signature can be location-specific, multi-element distribution patterns may prove useful for provenancing such product. Using the inductively coupled-plasma optical emission spectrometer as well as principal component analysis (PCA) and linear discriminant analysis (LDA), the distributions of multi-elements in stingless bee honey collected at four different geographical locations (North, West, East, and South) in Johor, Malaysia, were investigated...
April 6, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28376206/prediagnostic-body-mass-index-trajectories-in-relation-to-prostate-cancer-incidence-and-mortality-in-the-plco-cancer-screening-trial
#9
Scott P Kelly, Barry I Graubard, Gabriella Andreotti, Naji Younes, Sean D Cleary, Michael B Cook
Background: Evidence suggests that obesity in adulthood is associated with increased risk of "clinically significant" prostate cancer. However, studies of body mass index (BMI) across the adult life course and prostate cancer risks remain limited. Methods: In a prospective cohort of 69 873 men in the Prostate, Lung, Colorectal and Ovarian Cancer Screening Trial, we examined associations of prediagnostic BMI across the adult life course with risk of incident prostate cancer and fatal prostate cancer (prostate cancer-specific mortality)...
March 1, 2017: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28347350/the-association-between-age-of-onset-of-opioid-use-and-comorbidity-among-opioid-dependent-patients-receiving-methadone-maintenance-therapy
#10
Leen Naji, Brittany Burns Dennis, Monica Bawor, Michael Varenbut, Jeff Daiter, Carolyn Plater, Guillaume Pare, David C Marsh, Andrew Worster, Dipika Desai, James MacKillop, Lehana Thabane, Zainab Samaan
BACKGROUND: Opioid use disorder (OUD) affects approximately 21.9 million people worldwide. This study aims to determine the association between age of onset of opioid use and comorbid disorders, both physical and psychiatric, in patients receiving methadone maintenance treatment (MMT) for OUD. Understanding this association may inform clinical practice about important prognostic factors of patients on MMT, enabling clinicians to identify high-risk patients. METHODS: This study includes data collected between June 2011 and August 2016 for the Genetics of Opioid Addiction research collaborative between McMaster University and the Canadian Addiction Treatment Centers...
March 28, 2017: Addiction Science & Clinical Practice
https://www.readbyqxmd.com/read/28345790/metabolic-responses-to-exogenous-ghrelin-in-obesity-and-early-after-roux-en-y-gastric-bypass-in-humans
#11
Robyn A Tamboli, Joseph Antoun, Reem M Sidani, B Austin Clements, Emily A Eckert, Pam Marks-Shulman, Bruce D Gaylinn, D Brandon Williams, Ronald H Clements, Vance L Albaugh, Naji N Abumrad
AIMS: Ghrelin is a gastric-derived hormone that stimulates growth hormone (GH) secretion and has a multi-faceted role in the regulation of energy homeostasis, including glucose metabolism. Circulating ghrelin concentrations are modulated in response to nutritional status, but responses to ghrelin in altered metabolic states are poorly understood. We investigated the metabolic effects of ghrelin in obesity and early after Roux-en-Y gastric bypass (RYGB). MATERIALS AND METHODS: We assessed central and peripheral metabolic responses to acyl ghrelin infusion (1 pmol kg(-1) min(-1) ) in healthy, lean subjects (n = 9) and non-diabetic, obese subjects (n = 9) before and two weeks after RYGB...
March 27, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28331559/tumor-suppressor-genes-in-familial-adenomatous-polyposis
#12
REVIEW
Nahal Eshghifar, Naser Farrokhi, Tahereh Naji, Mohammadreza Zali
Colorectal cancer (CRC) is mostly due to a series of genetic alterations that are being greatly under the influence of the environmental factors. These changes, mutational or epigenetic modifications at transcriptional forefront and/or post-transcriptional effects via miRNAs, include inactivation and the conversion of proto-oncogene to oncogenes, and/or inactivation of tumor suppressor genes (TSG). Here, a thorough review was carried out on the role of TSGs with the focus on the APC as the master regulator, mutated genes and mal-/dysfunctional pathways that lead to one type of hereditary form of the CRC; namely familial adenomatous polyposis (FAP)...
2017: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/28319051/tissue-specific-exosome-biomarkers-for-noninvasively-monitoring-immunologic-rejection-of-transplanted-tissue
#13
Prashanth Vallabhajosyula, Laxminarayana Korutla, Andreas Habertheuer, Ming Yu, Susan Rostami, Chao-Xing Yuan, Sanjana Reddy, Chengyang Liu, Varun Korutla, Brigitte Koeberlein, Jennifer Trofe-Clark, Michael R Rickels, Ali Naji
In transplantation, there is a critical need for noninvasive biomarker platforms for monitoring immunologic rejection. We hypothesized that transplanted tissues release donor-specific exosomes into recipient circulation and that the quantitation and profiling of donor intra-exosomal cargoes may constitute a biomarker platform for monitoring rejection. Here, we have tested this hypothesis in a human-into-mouse xenogeneic islet transplant model and validated the concept in clinical settings of islet and renal transplantation...
April 3, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28297565/rationale-for-determining-the-functional-potency-of-mesenchymal-stem-cells-in-preventing-regulated-cell-death-for-therapeutic-use
#14
Abderrahim Naji, Narufumi Suganuma, Nicolas Espagnolle, Ken-Ichi Yagyu, Nobuyasu Baba, Luc Sensebé, Frédéric Deschaseaux
Mesenchymal stem (stromal) cells (MSCs) are being investigated for treating degenerative and inflammatory disorders because of their reparative and immunomodulatory properties. Intricate mechanisms relate cell death processes with immune responses, which have implications for degenerative and inflammatory conditions. We review the therapeutic value of MSCs in terms of preventing regulated cell death (RCD). When cells identify an insult, specific intracellular pathways are elicited for execution of RCD processes, such as apoptosis, necroptosis, and pyroptosis...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28282444/correction-new-insights-on-the-composition-and-the-structure-of-the-acellular-extrinsic-fiber-cementum-by-raman-analysis
#15
Thomas Colard, Guillaume Falgayrac, Benoit Bertrand, Stephan Naji, Olivier Devos, Clara Balsack, Yann Delannoy, Guillaume Penel
[This corrects the article DOI: 10.1371/journal.pone.0167316.].
2017: PloS One
https://www.readbyqxmd.com/read/28272422/center-frequency-stabilization-in-planar-dual-mode-resonators-during-mode-splitting-control
#16
Adham Naji, Mina H Soliman
Shape symmetry in dual-mode planar electromagnetic resonators results in their ability to host two degenerate resonant modes. As the designer enforces a controllable break in the symmetry, the degeneracy is removed and the two modes couple, exchanging energy and elevating the resonator into its desirable second-order resonance operation. The amount of coupling is controlled by the degree of asymmetry introduced. However, this mode coupling (or splitting) usually comes at a price. The centre frequency of the perturbed resonator is inadvertently drifted from its original value prior to coupling...
March 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28271235/expression-of-akt1-along-with-akt2-in-granulosa-lutein-cells-of-hyperandrogenic-pcos-patients
#17
Saeid Nekoonam, Mohammad Naji, Maryam Shabani Nashtaei, Keywan Mortezaee, Morteza Koruji, Leili Safdarian, Fardin Amidi
PURPOSE: AKTs have a pivotal role in the granulosa-lutein cell (GC) proliferation and folliculogenesis, and there is a reciprocal feedback between AKT with androgen. Therefore, we aimed to evaluate the role of AKTs in GCs of hyperandrogenic (+HA) PCOS cases. METHOD: There were three groups: control, +HA PCOS and -HA (non-hyperandrogenic) PCOS. All groups were subjected to GnRH antagonist protocol for stimulation of ovulation. Follicular fluid was aspirated from large follicles, and GCs were isolated using cell strainer method...
April 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28270438/menin-and-prmt5-suppress-glp1-receptor-transcript-and-pka-mediated-phosphorylation-of-foxo1-and-creb
#18
Abdul Bari Muhammad, Bowen Xing, Chengyang Liu, Ali Naji, Xiaosong Ma, Rebecca A Simmons, Xianxin Hua
Menin is a scaffold protein that interacts with several epigenetic mediators to regulate gene transcription, and suppresses pancreatic beta cell proliferation. Tamoxifen inducible deletion of multiple endocrine neoplasia type 1 (MEN1) gene, which encodes the protein menin, increases beta cell mass in multiple murine models of diabetes and ameliorates diabetes. Glucagon-like-peptide-1 (GLP1) is another key physiological modulator of beta cell mass and glucose homeostasis. However, it is not clearly understood whether menin crosstalks with GLP1 signaling...
March 7, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28258704/nafld-phosphoproteomics-a-functional-piece-of-the-precision-puzzle
#19
Julia Wattacheril, Kristie L Rose, Salisha Hill, Christian Lanciault, Clark R Murray, Kay Washington, Brandon Williams, Wayne English, Matthew Spann, Ronald Clements, Naji Abumrad, Charles Robb Flynn
Molecular signaling events associated with the necroinflammatory changes in nonalcoholic steatohepatitis are not well understood. To understand the molecular basis of NASH, we evaluated reversible phosphorylation events in hepatic tissue derived from Class III obese subjects by phosphoproteomic means with the aim of highlighting key regulatory pathways that distinguish NASH from NAFLD. Class III obese subjects undergoing bariatric surgery underwent liver biopsy (8 NOR, 8 simple steatosis and 8 NASH). Our strategy was unbiased, comparing global differences in liver protein reversible phosphorylation events across the 24 subjects...
March 4, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28254869/phase-ii-study-of-a-radiotherapy-total-dose-increase-in-hypoxic-lesions-identified-by-f-miso-pet-ct-in-patients-with-non-small-cell-lung-carcinoma-rtep5-study
#20
Pierre Vera, Sébastien Thureau, Philippe Chaumet-Riffaud, Romain Modzelewski, Pierre Bohn, Maximilien Vermandel, Sébastien Hapdey, Amandine Pallardy, Marc-André Mahé, Marie Lacombe, Pierre Boisselier, Sophie Guillemard, Pierre Olivier, Véronique Beckendorf, Naji Salem, Nathalie Charrier, Enrique Chajon, Anne Devillers, Nicolas Aide, Serge Danhier, Fabrice Denis, Jean-Pierre Muratet, Etienne Martin, Alina Berriolo-Riedinger, Helène Kolesnikov-Gauthier, Eric Dansin, Carole Massabeau, Fredéric Courbon, Marie-Pierre Farcy-Jacquet, Pierre-Olivier Kotzki, Claire Houzard, Francoise Mornex, Laurent Vervueren, Amaury Paumier, Philippe Fernandez, Mathieu Salaun, Bernard Dubray
A multicenter phase II study investigated a selective radiotherapy (RT) dose increase to tumor areas with significant F-miso uptake in patients with non-small cell lung carcinoma (NSCLC). Methods: Eligible patients had locally advanced NSCLC, no contra-indication to concomitant chemo-radiotherapy (CCRT). The F-miso uptake on PET/CT was assessed by experts. If there was no uptake, 66 Gy was delivered. In F-miso-positive patients, the contours of the hypoxic area were transferred to the radiation oncologist. It was necessary for the radiotherapy dose to be as high as possible while fulfilling dose-limiting constraints for the spinal cord and lungs...
March 2, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
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