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https://www.readbyqxmd.com/read/28337724/i-123-iomazenil-single-photon-emission-computed-tomography-for-detecting-loss-of-neuronal-integrity-in-patients-with-traumatic-brain-injury
#1
Kagari Abiko, Katsunori Ikoma, Tohru Shiga, Chietsugu Katoh, Kenji Hirata, Yuji Kuge, Kentaro Kobayashi, Nagara Tamaki
BACKGROUND: Traumatic brain injury (TBI) causes brain dysfunction in many patients. Using C-11 flumazenil (FMZ) positron emission tomography (PET), we have detected and reported the loss of neuronal integrity, leading to brain dysfunction in TBI patients. Similarly to FMZ PET, I-123 iomazenil (IMZ) single photon emission computed tomography (SPECT) is widely used to determine the distribution of the benzodiazepine receptor (BZR) in the brain cortex. The purpose of this study is to examine whether IMZ SPECT is as useful as FMZ PET for evaluating the loss of neuronal integrity in TBI patients...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28326123/relationship-between-depression-and-laryngopharyngeal-reflux
#2
Young-Hoon Joo, Youn-Su Song, Chi-Un Pae
This study investigated the relationship between depression, somatization, anxiety, personality, and laryngopharyngeal reflux (LPR). We prospectively analyzed 231 patients with symptoms with LPR using the laryngopharyngeal reflux symptom index and the reflux finding score. Seventy nine (34.2%) patients were diagnosed with LPR. A significant correlation was detected between the presence of LPR and total scores on the Patient Health Questionnaire-9 (5.6±5.3 vs. 4.0±4.6, p=0.017) and the 7-item Generalized Anxiety Disorder Scale (4...
March 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28322077/enteral-nutrition-increases-interstitial-brain-glucose-levels-in-poor-grade-subarachnoid-hemorrhage-patients
#3
Mario Kofler, Alois J Schiefecker, Ronny Beer, Maxime Gaasch, Paul Rhomberg, John Stover, Bettina Pfausler, Claudius Thomé, Erich Schmutzhard, Raimund Helbok
Low brain tissue glucose levels after acute brain injury are associated with poor outcome. Whether enteral nutrition (EN) reliably increases cerebral glucose levels remains unclear. In this retrospective analysis of prospectively collected observational data, we investigate the effect of EN on brain metabolism in 17 poor-grade subarachnoid hemorrhage (SAH) patients undergoing cerebral microdialysis (CMD) monitoring. CMD-values were obtained hourly. A nutritional intervention was defined as the clinical routine administration of EN without supplemental parenteral nutrition...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28301594/daxx-plays-a-novel-role-in-t-cell-survival-but-is-dispensable-in-fas-induced-apoptosis
#4
Jinghe Li, Liangyue Qian, John P Dowling, Christine Curcione, Drishya Kurup, Jianke Zhang
Daxx was originally isolated as a Fas-binding protein. However, the in vivo function of Daxx in Fas-induced apoptosis has remained enigmatic. Fas plays an important role in homeostasis in the immune system. Fas gene mutations lead to autoimmune-lymphoproliferation (lpr) diseases characterized by hyperplasia of secondary lymphoid organs. It is well established that the FADD adaptor binds to Fas, and recruits/activates caspase 8. However, additional proteins including Daxx have also been indicated to associate with Fas...
2017: PloS One
https://www.readbyqxmd.com/read/28294985/effects-of-a-diet-based-weight-reducing-program-with-probiotic-supplementation-on-satiety-efficiency-eating-behaviour-traits-and-psychosocial-behaviours-in-obese-individuals
#5
Marina Sanchez, Christian Darimont, Shirin Panahi, Vicky Drapeau, André Marette, Valerie H Taylor, Jean Doré, Angelo Tremblay
This study evaluated the impact of probiotic supplementation (Lactobacillus rhamnosus CGMCC1.3724 (LPR)) on appetite sensations and eating behaviors in the context of a weight-reducing program. Obese men (n = 45) and women (n = 60) participated in a double-blind, randomized, placebo-controlled trial that included a 12-week weight loss period (Phase 1) based on moderate energy restriction, followed by 12 weeks of weight maintenance (Phase 2). During the two phases of the program, each subject consumed two capsules per day of either a placebo or a LPR formulation (10 mg of LPR equivalent to 1...
March 15, 2017: Nutrients
https://www.readbyqxmd.com/read/28291238/polymorphisms-of-5-htt-lpr-and-gn%C3%AE-3-825c-t-and-response-to-antidepressant-treatment-in-functional-dyspepsia-a-study-from-the-functional-dyspepsia-treatment-trial
#6
Yuri A Saito, G Richard Locke, Ann E Almazar, Ernest P Bouras, Colin W Howden, Brian E Lacy, John K DiBaise, Charlene M Prather, Bincy P Abraham, Hashem B El-Serag, Paul Moayyedi, Linda M Herrick, Lawrence A Szarka, Michael Camilleri, Frank A Hamilton, Cathy D Schleck, Katherine E Tilkes, Alan R Zinsmeister, Nicholas J Talley
OBJECTIVES: The Functional Dyspepsia Treatment Trial reported that amitriptyline (AMI) was associated with adequate relief of functional dyspepsia (FD) symptoms, but the pharmacogenetics of antidepressant response in FD are not known. GNβ3 825C>T CC genotype has been previously linked to FD and TT genotype to antidepressant response in depression. The ss genotype of the 5-HTT LPR variant of the serotonin transporter gene (SLC6A4) has been linked to selective serotonin reuptake inhibitor (SSRI) response...
March 14, 2017: American Journal of Gastroenterology
https://www.readbyqxmd.com/read/28278341/association-of-oral-antireflux-medication-with-laryngopharyngeal-reflux-and-nasal-resistance
#7
Elif Dagli, Alper Yüksel, Mesut Kaya, Kadriye Serife Ugur, Fatma Cansel Turkay
Importance: Laryngopharyngeal reflux (LPR) is thought to be a potential exacerbating factor in upper airway diseases. Objective: To describe the effect of pharmacologic therapy of laryngopharyngeal reflux on nasal resistance. Design, Setting, and Participants: Prospective observational study performed between August 30, 2014, and October 1, 2015, at a tertiary care academic center including 50 patients with Reflux Symptom Index higher than 13 and Reflux Finding Score higher than 7 and 50 controls with no history of LPR and nasal disease...
March 9, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28278279/toll-like-receptor-9-suppresses-lupus-disease-in-fas-sufficient-mrl-mice
#8
Kevin M Nickerson, Yujuan Wang, Sheldon Bastacky, Mark J Shlomchik
Genetic deficiency in TLR9 accelerates pathogenesis in the spontaneous polygenic MRL.Faslpr murine model of systemic lupus erythematosus, despite the absence of anti-nucleosome autoantibodies. However, it could be argued that this result was dependent on Fas-deficiency rather than lupus-promoting genes in the MRL genetic background. Here we report the effects of TLR9 deficiency on autoimmune disease independent of the lpr mutation in Fas by characterizing Tlr9-/- and Tlr9+/+ mice on the Fas-intact MRL/+ genetic background...
2017: PloS One
https://www.readbyqxmd.com/read/28274306/-glycyrrhizinic-acid-modulates-the-immunity-of-mrl-lpr-mice-and-related-mechanism
#9
Yuanyuan Wang, Jixia Chai, Meiqun Sun, Wenxin He, Xiaodong Hu, Weiyan Zou, Huihui Li, Yang Lu, Changhao Xie
Objective To investigate the immunological effect of glycyrrhizic acid (GA) on MRL/lpr mice and its underlying mechanism. Methods The research included 10 wild type C57BL/6 mice and 40 MRL/lpr mice. MRL/lpr mice were randomly assigned to four groups: MRL/lpr control, MRL/lpr treated with dexamethasone (1.5 mg/kg), MRL/lpr treated with GA (20 mg/kg) and GA (40 mg/kg), 10 mice in each group. The serum levels of interleukin 4 (IL-4) and interferon-γ (IFN-γ) were tested by ELISA. The ratio of Th1/Th2 cell subsets in spleen was analyzed by flow cytometry...
March 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28266945/allergic-laryngitis-unraveling-the-myths
#10
Robert J Stachler, James P Dworkin-Valenti
PURPOSE OF REVIEW: This article provides a thorough review of the literature highlighting the articles that have advanced our knowledge about the sensitivity of the larynx to allergens in the air or ones consumed. This area of inquiry requires continued interest and investigation. As the field of clinical laryngology changes, and more information is discovered about the possible causal association between allergy and vocal pathologies, practicing otolaryngologists, allergists, and other medical professionals may discover more comprehensive methods to evaluate and treat their allergic patients, particularly those who present with complaints of dysphonia, dysphagia, laryngopharyngeal reflux (LPR), and/or dyspnea...
March 4, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28266911/transcription-factor-emx2-controls-stereociliary-bundle-orientation-of-sensory-hair-cells
#11
Tao Jiang, Katie Kindt, Doris K Wu
The asymmetric location of stereociliary bundle (hair bundle) on apical surface of mechanosensory hair cells (HCs) dictates the direction in which a given HC can respond to cues such as sound, head movements, and water pressure. Notably, vestibular sensory organs of the inner ear, the maculae, exhibit a line of polarity reversal (LPR) across which, hair bundles are polarized in a mirror-image pattern. Similarly, HCs in neuromasts of the zebrafish lateral line system are generated as pairs, and two sibling HCs develop opposite hair bundle orientations...
March 7, 2017: ELife
https://www.readbyqxmd.com/read/28263189/cd11b-activation-suppresses-tlr-dependent-inflammation-and-autoimmunity-in-systemic-lupus-erythematosus
#12
Mohd Hafeez Faridi, Samia Q Khan, Wenpu Zhao, Ha Won Lee, Mehmet M Altintas, Kun Zhang, Vinay Kumar, Andrew R Armstrong, Carmelo Carmona-Rivera, Jessica M Dorschner, Abigail M Schnaith, Xiaobo Li, Yogita Ghodke-Puranik, Erica Moore, Monica Purmalek, Jorge Irizarry-Caro, Tingting Zhang, Rachael Day, Darren Stoub, Victoria Hoffmann, Shehryar Jehangir Khaliqdina, Prachal Bhargava, Ana M Santander, Marta Torroella-Kouri, Biju Issac, David J Cimbaluk, Andrew Zloza, Rajeev Prabhakar, Shashank Deep, Meenakshi Jolly, Kwi Hye Koh, Jonathan S Reichner, Elizabeth M Bradshaw, JianFeng Chen, Luis F Moita, Peter S Yuen, Wanxia Li Tsai, Bhupinder Singh, Jochen Reiser, Swapan K Nath, Timothy B Niewold, Roberto I Vazquez-Padron, Mariana J Kaplan, Vineet Gupta
Genetic variations in the ITGAM gene (encoding CD11b) strongly associate with risk for systemic lupus erythematosus (SLE). Here we have shown that 3 nonsynonymous ITGAM variants that produce defective CD11b associate with elevated levels of type I interferon (IFN-I) in lupus, suggesting a direct link between reduced CD11b activity and the chronically increased inflammatory status in patients. Treatment with the small-molecule CD11b agonist LA1 led to partial integrin activation, reduced IFN-I responses in WT but not CD11b-deficient mice, and protected lupus-prone MRL/Lpr mice from end-organ injury...
March 6, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28252352/fundoplication-for-laryngopharyngeal-reflux-despite-preoperative-dysphagia
#13
G L Falk, H Van der Wall, L Burton, M G Falk, H O'Donnell, S J Vivian
INTRODUCTION Fundoplication for laryngopharyngeal disease with oesophageal dysmotility has led to mixed outcomes. In the presence of preoperative dysphagia and oesophageal dysmotility, this procedure has engendered concern in certain regards. METHODS This paper describes a consecutive series of laryngopharyngeal reflux (LPR) patients with a high frequency of dysmotility. Patients were selected for surgery with 24-hour dual channel pH monitoring, oesophageal manometry and standardised reflux scintigraphy. RESULTS Following careful patient selection, 33 patients underwent fundoplication by laparoscopy...
March 2017: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/28239584/assessment-of-treatment-response-in-patients-with-laryngopharyngeal-reflux
#14
Anagha Atul Joshi, Bhagyashri Ganesh Chiplunkar, Renuka Anil Bradoo
To evaluate treatment response in patients with laryngopharyngeal reflux (LPR). A prospective study of 100 patients with voice disorders was conducted. Patients were evaluated using reflux symptom index (RSI) and reflux finding score (RFS) by 70° rigid laryngoscope. Patients with RFS score of 7 or more were diagnosed of having LPR and were started with anti-reflux therapy for a period of 6 months. Patients were assessed at regular intervals using RSI and RFS. The prevalence of LPR in patients with voice disorders was found to be 25%...
March 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28237707/study-of-fluid-dynamics-reveals-direct-communications-between-lymphatic-vessels-and-venous-blood-vessels-at-lymph-nodes-of-mice
#15
Kazu Takeda, Shiro Mori, Tetsuya Kodama
Cancer cells metastasize to lymph nodes, with distant metastasis resulting in poor prognosis. The role of lymph node metastasis (LNM) in the spread of cancer to distant organs remain incompletely characterized. The visualization of flow dynamics in the lymphatic and blood vessels of MXH10/Mo-lpr/lpr mice, which develop systemic swelling of lymph nodes up to 10mm in diameter, has revealed that lymph nodes have the potential to be a direct source of systemic metastasis. However, it is not known whether these fluid dynamics characteristics are universal phenomena present in other strains of laboratory mice...
February 22, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28235864/baff-induces-tertiary-lymphoid-structures-and-positions-t-cells-within-the-glomeruli-during-lupus-nephritis
#16
SunAh Kang, Yuri Fedoriw, Ethan K Brenneman, Young K Truong, Kristine Kikly, Barbara J Vilen
Tissue-specific immune responses play an important role in the pathology of autoimmune diseases. In systemic lupus erythematosus, deposits of IgG-immune complexes and the activation of complement in the kidney have long been thought to promote inflammation and lupus nephritis. However, the events that localize cells in non-lymphoid tertiary organs and sustain tissue-specific immune responses remain undefined. In this manuscript, we show that BAFF promotes events leading to lupus nephritis. Using an inducible model of systemic lupus erythematosus, we found that passive transfer of antinucleosome IgG into AID(-/-)MRL/lpr mice elevated autoantibody levels and promoted lupus nephritis by inducing BAFF production in the kidneys, and the formation of renal tertiary lymphoid structures (TLSs)...
April 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28230212/establishment-of-planar-cell-polarity-is-coupled-to-regional-cell-cycle-exit-and-cell-differentiation-in-the-mouse-utricle
#17
Xiaoyu Yang, Xiaoqing Qian, Rui Ma, Xinwei Wang, Juanmei Yang, Wenwei Luo, Ping Chen, Fanglu Chi, Dongdong Ren
Sensory hair cells are coordinately oriented within each inner ear sensory organ to exhibit a particular form of planar cell polarity (PCP) necessary for mechanotransduction. However, the developmental events associated with establishing PCP in the vestibule are unclear, hindering data interpretation and employment of the vestibule for PCP studies. Herein, we investigated PCP of the mouse vestibular organs. We further characterised cell cycle exit, cell differentiation, and PCP establishment in the utricle...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28224634/pepsin-as-a-biomarker-for-laryngopharyngeal-reflux-in-children-with-laryngomalacia
#18
Kendra Luebke, Tina L Samuels, Thomas H Chelius, Cecille G Sulman, Michael E McCormick, Joseph E Kerschner, Nikki Johnston, Robert H Chun
OBJECTIVES/HYPOTHESIS: Laryngomalacia is a common cause of newborn stridor. Laryngopharyngeal reflux (LPR) has been associated with laryngomalacia. Although pepsin, a component of LPR, has been associated with inflammatory diseases of the aerodigestive tract, its presence in the airways of laryngomalacia patients is unknown. STUDY DESIGN: Prospective case-control study comparing patients under age 3 years with laryngomalacia to children without laryngomalacia. METHODS: Children less than 3 years old undergoing supraglottoplasty for laryngomalacia or surgery unrelated to the airway, without a history of laryngomalacia, reflux, or respiratory disease, were offered enrollment...
February 22, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28222408/severe-osteoporosis-with-multiple-spontaneous-vertebral-fractures-in-a-young-male-carrying-triple-polymorphisms-in-the-vitamin-d-receptor-collagen-type-1-and-low-density-lipoprotein-receptor-related-peptide-5-genes
#19
Maria P Yavropoulou, Panagoulia Kollia, Dimitris Chatzidimitriou, Stavroula Samara, Lemonia Skoura, John G Yovos
Osteoporosis is a common disease with a strong genetic component. Several studies have reported the vitamin D receptor (VDR), collagen type I (COL1A1), and LDL receptor-related protein 5 (LRP5) genes as the most likely candidates. However, most of the studies have been carried out in postmenopausal women and older men and show inconsistent results. CASE PRESENTATION: We report a case of a 26-year old male who presented with severe back pain of acute onset, unrelated to any kind of trauma, and diffuse myalgia...
October 2016: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28219888/cd74-deficiency-mitigates-systemic-lupus-erythematosus-like-autoimmunity-and-pathological-findings-in-mice
#20
Yi Zhou, Huimei Chen, Li Liu, Xueqing Yu, Galina K Sukhova, Min Yang, Lijun Zhang, Vasileios C Kyttaris, George C Tsokos, Isaac E Stillman, Takaharu Ichimura, Joseph V Bonventre, Peter Libby, Guo-Ping Shi
CD74 mediates MHC class-II antigenic peptide loading and presentation and plays an important role in the pathogenesis of autoimmune diseases, including systemic lupus erythematosus. C57BL/6 Fas(lpr) mice that develop spontaneous lupus-like autoimmunity and pathology showed elevated CD74 expression in the inflammatory cell infiltrates and the adjacent tubular epithelial cells (TECs) in kidneys affected by lupus nephritis but negligible levels in kidneys from age-matched wild-type mice. The inflammatory cytokine IFN-γ or IL-6 induced CD74 expression in kidney TECs in vitro...
April 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
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