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https://www.readbyqxmd.com/read/28345790/metabolic-responses-to-exogenous-ghrelin-in-obesity-and-early-after-roux-en-y-gastric-bypass-in-humans
#1
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
#2
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
#3
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...
March 20, 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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
https://www.readbyqxmd.com/read/28254569/synthesis-and-characterization-of-core-shell-bimetallic-nanoparticles-for-synergistic-antimicrobial-effect-studies-in-combination-with-doxycycline-on-burn-specific-pathogens
#11
Ali Fakhri, Shiva Tahami, Mahsa Naji
Nano-medicine is a breakthrough discovery in the healthcare sector. Doxycycline is a new generation antibiotic which is proved to be a boon in the treatment of patients with complicated skin infections. We have tried to explore the benefits of synthesized bimetallic silver-gold nanoparticles in combination with new generation antibiotic for burn infections. The bimetallic nanoparticles synthesized by core-shell method were characterized using scanning electron microscopy equipped with an energy dispersive spectrometer, transmission electron microscopy, X-ray diffraction and UV-Vis spectroscopy...
February 27, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28239522/disrupted-neural-activity-patterns-to-novelty-and-effort-in-young-adult-apoe-e4-carriers-performing-a-subsequent-memory-task
#12
Simon Evans, Nicholas G Dowell, Naji Tabet, Sarah L King, Samuel B Hutton, Jennifer M Rusted
INTRODUCTION: The APOE e4 allele has been linked to poorer cognitive aging and enhanced dementia risk. Previous imaging studies have used subsequent memory paradigms to probe hippocampal function in e4 carriers across the age range, and evidence suggests a pattern of hippocampal overactivation in young adult e4 carriers. METHODS: In this study, we employed a word-based subsequent memory task under fMRI; pupillometry data were also acquired as an index of cognitive effort...
February 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28218056/regulation-of-the-escherichia-coli-ydhy-t-operon-in-the-presence-of-alternative-electron-acceptors
#13
Naji Al Ibrahim, Jeffrey Green
The Escherichia coli K-12 ydhY-T operon, coding for a predicted oxidoreductase complex, is activated under anaerobic conditions and repressed in the presence of nitrate or nitrite. Anaerobic activation is mediated by the transcription factor FNR and nitrate/nitrite repression is mediated by NarXL and NarQP. In vitro transcription reactions revealed that the DNA upstream of ydhY-T contains sufficient information for RNA polymerase alone to initiate transcription from five locations. FNR severely inhibited synthesis of two of these transcripts (located upstream of, and within, the FNR binding site) and activated the FNR-dependent promoter previously identified in vivo...
February 3, 2017: Microbiology
https://www.readbyqxmd.com/read/28217264/eight-essential-foods-in-iranian-traditional-medicine-and-their-role-in-health-promotion-and-well-being
#14
REVIEW
Mehrdad Zeinalian, Mehdi Eshaghi, Mahdi Hadian, Homayoun Naji, Sayed Mohammad Masoud Marandi, Sedigheh Asgary
Eight essential foods (EEF) described in Iranian traditional medicine (ITM) have a determinant role to balance human temperament insuring health and well-being. EEF included oral, imaginary, auditory, visual, olfactory, touch, sexual, and familiarity food. Oral foods should be halal, compatible with individual temper, consumed up twice a day, and compatible with different seasons and geographic conditions. Imaginary food consists of the individual thought content which is directly related to mental and physical fitness...
2017: International Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28181534/genomic-variant-in-il-37-confers-a-significant-risk-of-coronary-artery-disease
#15
Dan Yin, Duraid Hamied Naji, Yunlong Xia, Sisi Li, Ying Bai, Guiqing Jiang, Yuanyuan Zhao, Xiaojing Wang, Yufeng Huang, Shanshan Chen, Jingjing Fa, Chengcheng Tan, Mengchen Zhou, Yingchao Zhou, Longfei Wang, Ying Liu, Feifei Chen, Jingqiu Liu, Qiuyun Chen, Xin Tu, Chengqi Xu, Qing K Wang
The interleukin 1 family plays an important role in the immune and inflammatory responses. Coronary artery disease (CAD) is a chronic inflammatory disease. However, the genetic association between IL-37, the seventh member of the IL-1 family, and CAD is unknown. Here we show that a single nucleotide polymorphism in the IL-37 gene (rs3811047) confers a significant risk of CAD. We have performed an association analysis between rs3811047 and CAD in two independent populations with 2,501 patients and 3,116 controls from China...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28179619/rituximab-can-induce-remission-in-a-patient-with-ankylosing-spondylitis-who-failed-anti-tnf-%C3%AE-agent
#16
Fahmi AlDhaheri, Talal Almteri, Naji Dwid, Ahd Majdali, Nahed Janoudi, Hani Almoallim
BACKGROUND Ankylosing spondylitis (AS) is a chronic inflammatory disease that predominantly affects the axial skeleton. The ability of anti-TNF-α agents to reduce disease activity in patients with axial spondyloarthritis (axSpA), including AS, has been demonstrated in multiple randomized trials and several meta-analyses. Reports on the efficacy of rituximab in treatment of AS have described good results. We report on a patient with AS who failed anti-TNF-α therapy but showed good clinical improvement with rituximab therapy...
February 9, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28170374/corrigendum-analysis-of-self-antigen-specificity-of-islet-infiltrating-t-cells-from-human-donors-with-type-1-diabetes
#17
Jenny Aurielle B Babon, Megan E DeNicola, David M Blodgett, Inne Crèvecoeur, Thomas S Buttrick, René Maehr, Rita Bottino, Ali Naji, John Kaddis, Wassim Elyaman, Eddie A James, Rachana Haliyur, Marcela Brissova, Lut Overbergh, Chantal Mathieu, Thomas Delong, Kathryn Haskins, Alberto Pugliese, Martha Campbell-Thompson, Clayton Mathews, Mark A Atkinson, Alvin C Powers, David M Harlan, Sally C Kent
No abstract text is available yet for this article.
February 7, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28165382/real-time-apnoea-monitoring-of-children-using-the-microsoft-kinect-sensor-a-pilot-study
#18
Ali Al-Naji, Kim Gibson, Sang-Heon Lee, Javaan Chahl
The objective of this study was to design a non-invasive system for the observation of respiratory rates and detection of apnoea using analysis of real time image sequences captured in any given sleep position and under any light conditions (even in dark environments). A Microsoft Kinect sensor was used to visualize the variations in the thorax and abdomen from the respiratory rhythm. These variations were magnified, analyzed and detected at a distance of 2.5 m from the subject. A modified motion magnification system and frame subtraction technique were used to identify breathing movements by detecting rapid motion areas in the magnified frame sequences...
February 3, 2017: Sensors
https://www.readbyqxmd.com/read/28134088/evolving-spectrum-of-lrba-deficiency-associated-chronic-arthritis-is-there-a-causative-role-in-juvenile-idiopathic-arthritis
#19
Sulaiman M Al-Mayouf, Hamzah Naji, Khalid Alismail, Anas M Alazami, Farrukh Sheikh, Walter Conca, Hamoud Al-Mousa
Lipopolysaccharide-responsive, beige-like anchor protein (LRBA) deficiency causes common variable immunodeficiency (CVID) disorders and autoimmunity. LRBA deficiency has become a clinically variable syndrome with a wide spectrum of clinical manifestations. We report a patient with LRBA deficiency associated chronic non-erosive arthritis. This report highlights the spectrum of arthritis in such patients and the potential causative role of LRBA gene in juvenile arthritis.
January 27, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28128435/vitamin-e-for-alzheimer-s-dementia-and-mild-cognitive-impairment
#20
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...
January 27, 2017: Cochrane Database of Systematic Reviews
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