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https://www.readbyqxmd.com/read/28522132/salivary-pepsin-test-useful-and-simple-tool-for-the-laryngopharyngeal-reflux-diagnosis
#1
Luz Barona-Lleó, Claudia Duval, Rafael Barona-de Guzmán
INTRODUCTION AND OBJECTIVES: Laryngopharyngeal Reflux (LPR) is a disease characterized by the presence of symptoms, signs and tissue damage caused by retrograde flow of gastric contents to the upper aerodigestive tract. It represents up to 10% of otolaryngology consultations. The aim of the study is to describe the findings obtained by applying the salivary pepsin test (PEP-test) in a sample of patients with the clinical suspicion of LPR. MATERIAL AND METHODS: Our descriptive clinical study included 142 subjects with symptoms suggestive of LPR and a score above 13 on the RSI scale...
May 15, 2017: Acta Otorrinolaringológica Española
https://www.readbyqxmd.com/read/28515894/reproductive-ecology-of-interior-least-tern-and-piping-plover-in-relation-to-platte-river-hydrology-and-sandbar-dynamics
#2
Jason M Farnsworth, David M Baasch, Chadwin B Smith, Kevin L Werbylo
Investigations of breeding ecology of interior least tern (Sternula antillarum athalassos) and piping plover (Charadrius melodus) in the Platte River basin in Nebraska, USA, have embraced the idea that these species are physiologically adapted to begin nesting concurrent with the cessation of spring floods. Low use and productivity on contemporary Platte River sandbars have been attributed to anthropomorphically driven changes in basin hydrology and channel morphology or to unusually late annual runoff events...
May 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28511149/analysis-of-extracellular-brain-chemistry-during-percutaneous-dilational-tracheostomy-a-retrospective-study-of-19-patients
#3
Jan Küchler, Jann Wojak, Abdulkareem Abusamha, Claudia Ditz, Volker Martin Tronnier, Jan Gliemroth
OBJECTIVE: The purpose of this study was to analyze changes in brain tissue chemistry around percutaneous dilational tracheostomy (PDT) in patients with acute brain injury (ABI) in a retrospective single-center analysis. PATIENTS AND METHODS: We included 19 patients who had continuous monitoring of brain tissue chemistry and intracranial pressure (ICP) during a 20h period before and after PDT. Different microdialysis parameters (lactate, pyruvate, lactate pyruvate ratio (LPR), glycerol and glutamate) and values of ICP, cerebral perfusion pressure (CPP) and brain tissue oxygenation (PBrO2) were recorded per hour...
May 10, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28500565/dysregulated-lymphoid-cell-populations-in-mouse-models-of-systemic-lupus-erythematosus
#4
REVIEW
Aurélie De Groof, Patrice Hémon, Olivier Mignen, Jacques-Olivier Pers, Edward K Wakeland, Yves Renaudineau, Bernard R Lauwerys
Biases in the distribution and phenotype of T, B, and antigen-presenting cell populations are strongly connected to mechanisms of disease development in mouse models of systemic lupus erythematosus (SLE). Here, we describe longitudinal changes in lymphoid and antigen-presenting cell subsets in bone marrow, blood and spleen from two lupus-prone strains (MRL/lpr and B6.Sle1.Sle2.Sle3 tri-congenic mice), and how they integrate in our present understanding of the pathogenesis of the disease. In particular, we focus on (autoreactive) T cell activation patterns in lupus-prone mice...
May 13, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28495931/neutrophil-extracellular-traps-drive-endothelial-to-mesenchymal-transition
#5
Elmar Pieterse, Nils Rother, Marjolein Garsen, Julia Hofstra, Simon Satchell, Markus Hoffmann, Markus Loeven, Hanneke Knaapen, Olivier van der Heijden, Jo Berden, Luuk Hilbrands, Johan van der Vlag
OBJECTIVE: An excessive release and impaired degradation of neutrophil extracellular traps (NETs) leads to the continuous exposure of NETs to the endothelium in a variety of hematologic and autoimmune disorders, including lupus nephritis. This study aims to unravel the mechanisms through which NETs jeopardize vascular integrity. APPROACH AND RESULTS: Microvascular and macrovascular endothelial cells were exposed to NETs, and subsequent effects on endothelial integrity and function were determined in vitro and in vivo...
May 11, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28490805/a-skint6-allele-potentially-contributes-to-mouse-lupus
#6
Z Xu, J Xu, J Ju, L Morel
Our previous study uncovered that the overlapping region of murine lupus susceptibility Sle2c1rec1a and Sle2c1rec1d subloci is strongly associated with lymphadenopathy and systemic autoimmunity. In order to identify the specific candidate gene, we generated a novel shorter recombinant, named as Sle2c1re1d1 (rec1d1), from Sle2c1rec1d sublocus (rec1d). The rec1d1 interval corresponds precisely to the overlapping region of Sle2c1rec1a and Sle2c1rec1d subloci. Functionally, this rec1d1 sublocus showed a strong epistatic interaction with lpr, similar to that seen with Sle2c1rec1a or...
May 11, 2017: Genes and Immunity
https://www.readbyqxmd.com/read/28471304/upper-esophageal-sphincter-abnormalities-and-high-resolution-esophageal-manometry-findings-in-patients-with-laryngopharyngeal-reflux
#7
Tanmayee Benjamin, Shamiq Zackria, Rocio Lopez, Joel Richter, Prashanthi N Thota
BACKGROUND: The association between laryngopharyngeal reflux (LPR) and abnormalities of upper esophageal sphincter (UES) and esophageal motility is not clearly known. High-resolution esophageal manometry (HREM) has allowed accurate measurement and evaluation of UES and esophageal function. GOALS: To evaluate the UES function and esophageal motility using HREM in patients with LPR and compare them to patients with typical gastroesophageal reflux disease (GERD). STUDY: All patients evaluated for GERD or LPR symptoms with esophageal function testing including HREM, ambulatory distal pH monitoring and upper endoscopy between 2006 and 2014 were retrospectively studied (n = 220)...
May 4, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28471200/-fullerene-doxorubicin-nanotransporter-for-target-interaction-with-mutated-gene-brca2
#8
S Skaličková, M Löfelmann, M Gargulák, M Dočekalová, B Ruttkay-Nedecký, P Suchý, M Kepinská, R Kizek
BACKGROUND: Malignant breast tumors are in developed countries, the most common cancer affecting mainly women. It is estimated that approximately 5-10% of breast cancers are conditioned by genetic family burdens, caused by mutation in the BRCA2 gene. In the course of the treatment doxorubicin is frequently used therapeutics. Despite its therapeutic efficacy, however, it shows high cardiotoxicity. Possibility to increase the therapeutic window, represent nanotransporters. Fullerenes are nanoparticles composed of carbon atoms whose physical-chemical properties indicate high stability...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/28457223/pepsina-as-a-marker-of-laryngopharyngeal-reflux-detected-in-chronic-rhinosinusitis-patients
#9
Jian-Jun Ren, Yu Zhao, Jing Wang, Xue Ren, Yang Xu, Wenlong Tang, Zhaoping He
Objectives We aimed to confirm the presence of pepsinA in the nasal secretions and tissues of chronic rhinosinusitis (CRS) patients and reveal the relationship between CRS and laryngopharyngeal reflux (LPR). Study Design Cross-sectional study. Setting The study was conducted at the Department of Oto-Rhino-Laryngology, West China Hospital, Sichuan University. Subjects and Methods A total of 32 CRS patients with or without nasal polyps (CRSwNP and CRSsNP, respectively) and 10 normal controls were enrolled in our study...
May 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28455530/nkg2d-cd4-t-cells-kill-regulatory-t-cells-in-a-nkg2d-nkg2d-ligand-dependent-manner-in-systemic-lupus-erythematosus
#10
Di Yang, Zhiqiang Tian, Mengjie Zhang, Weibing Yang, Jun Tang, Yuzhang Wu, Bing Ni
Systemic lupus erythematosus (SLE) features a decreased pool of CD4(+)CD25(+)Foxp3(+) T regulatory (Treg) cells. We had previously observed NKG2D(+)CD4(+) T cell expansion in contrast to a decreased pool of Treg cells in SLE patients, but whether NKG2D(+)CD4(+) T cells contribute to the decreased Treg cells remains unclear. In the present study, we found that the NKG2D(+)CD4(+) T cells efficiently killed NKG2D ligand (NKG2DL)(+) Treg cells in vitro, whereby the surviving Treg cells in SLE patients showed no detectable expression of NKG2DLs...
April 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28449553/changes-in-the-reflux-symptom-index-after-multilevel-surgery-for-obstructive-sleep-apnea
#11
Su Jin Kim, Hyo Yeol Kim, Jong In Jeong, Sang Duk Hong, Seung-Kyu Chung, Hun-Jong Dhong
Objectives: This study evaluated whether the symptoms of laryngopharyngeal reflux (LPR) change after multilevel surgery for obstructive sleep apnea (OSA). Methods: Patients who underwent multilevel surgery for OSA between April 2009 and September 2014 were enrolled in this study. All patients underwent preoperative polysomnography prior to surgery and were asked to complete the reflux symptom index (RSI) questionnaire before and after surgery. Results: Of 73 enrolled patients, 24 (33%) reported an RSI score >13 and were thus classified as having reflux...
April 28, 2017: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/28438897/downregulation-of-mir-200a-3p-targeting-ctbp2-is-involved-in-the-hypoproduction-of-il-2-in-systemic-lupus-erythematosus-derived-t-cells
#12
Eri Katsuyama, Minglu Yan, Katsue Sunahori Watanabe, Syun Matsushima, Yuriko Yamamura, Sumie Hiramatsu, Keiji Ohashi, Haruki Watanabe, Takayuki Katsuyama, Sonia Zeggar, Nobuya Yoshida, Vaishali R Moulton, George C Tsokos, Ken-Ei Sada, Jun Wada
Systemic lupus erythematosus (SLE) damages multiple organs by producing various autoantibodies. In this study, we report that decreased microRNA (miR)-200a-3p causes IL-2 hypoproduction through zinc finger E-box binding homeobox (ZEB)1 and C-terminal binding protein 2 (CtBP2) in a lupus-prone mouse. First, we performed RNA sequencing to identify candidate microRNAs and mRNAs involved in the pathogenesis of SLE. We found that miR-200a-3p was significantly downregulated, whereas its putative targets, ZEB2 and CtBP2, were upregulated in CD4(+) T cells from MRL/lpr-Tnfrsf6(lpr) mice compared with C57BL/6J mice...
April 24, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28432362/succinate-supplementation-improves-metabolic-performance-of-mixed-glial-cell-cultures-with-mitochondrial-dysfunction
#13
Susan Giorgi-Coll, Ana I Amaral, Peter J A Hutchinson, Mark R Kotter, Keri L H Carpenter
Mitochondrial dysfunction, the inability to efficiently utilise metabolic fuels and oxygen, contributes to pathological changes following traumatic spinal cord or traumatic brain injury (TBI). In the present study, we tested the hypothesis that succinate supplementation can improve cellular energy state under metabolically stressed conditions in a robust, reductionist in vitro model of mitochondrial dysfunction in which primary mixed glial cultures (astrocytes, microglia and oligodendrocytes) were exposed to the mitochondrial complex I inhibitor rotenone...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28431280/interleukin-1-receptor-associated-kinase-1-is-a-potential-therapeutic-target-of-anti-inflammatory-therapy-for-systemic-lupus-erythematosus
#14
Mingfang Li, Datang Yu, Bing Ni, Fei Hao
Systemic lupus erythematosus (SLE) is a chronic autoimmune inflammatory disease and currently has no effective therapy. The genome-wide analyses indicate that interleukin-1 receptor associated kinase 1 (IRAK1) is associated with the susceptibility of SLE in humans. In the present study, we identified that IRAK1 was overexpressed and hyper-activated in splenic mononuclear cells from B6.MRL-Fas(lpr)/Nju (B6.lpr) mice and peripheral blood mononuclear cells (PBMCs) from SLE patients. Intraperitoneal treatment with a small molecular inhibitor of IRAK1 (IRAK1/4 inhibitor or IRAK-Inh) significantly mitigated inflammatory responses and renal injury in B6...
April 18, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28414116/the-largest-european-single-center-experience-300-laparoscopic-pancreatic-resections
#15
Safi Dokmak, Fadhel Samir Ftériche, Béatrice Aussilhou, Philippe Lévy, Philippe Ruszniewski, Jérome Cros, Marie Pierre Vullierme, Linda Khoy Ear, Jacques Belghiti, Alain Sauvanet
BACKGROUND: Although laparoscopic pancreatic resection (LPR) has become routine, large single-center series are still lacking. Our aim was to analyze the results of a large European single-center series of LPR. STUDY DESIGN: Between January 2008 and September 2015, 300 LPRs were performed and studied prospectively, including 165 (55%) distal pancreatectomies, 68 (23%) pancreaticoduodenectomies (PDs), 30 (10%) enucleations, 35 (11%) central pancreatectomies, and 2 (1%) total pancreatectomies...
April 13, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28401431/sustained-immunosuppression-alters-olfactory-function-in-the-mrl-model-of-cns-lupus
#16
Minesh Kapadia, Hui Zhao, Donglai Ma, Boris Sakic
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease that is frequently accompanied by diverse neuropsychiatric manifestations. An increased frequency of olfactory deficits has been recently reported as another marker of CNS involvement in SLE patients. Similarly, we observed that spontaneous development of lupus-like disease in MRL/lpr mice is accompanied by altered olfaction-related behaviors. However, it remained unclear whether the behavioral deficits are due to systemic autoimmunity, or the distinct genetic make-up...
April 11, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/28396669/basophil-activation-dependent-autoantibody-and-interleukin-17-production-exacerbate-systemic-lupus-erythematosus
#17
Qingjun Pan, Li Gong, Haiyan Xiao, Yongmin Feng, Lu Li, Zhenzhen Deng, Ling Ye, Jian Zheng, Carol A Dickerson, Lin Ye, Ning An, Chen Yang, Hua-Feng Liu
OBJECTIVE: Autoantibody and inflammatory cytokines play crucial roles in the development of systemic lupus erythematosus (SLE); however, the regulation of their production warrants further investigation. This study aimed to investigate the role of basophil activation in the development of SLE based on studies in patients with SLE and spontaneous lupus-prone MRL-lpr/lpr mice. METHODS: The phenotypes of peripheral basophils and the production of autoantibody and interleukin (IL)-17 in patients with SLE were determined by flow cytometry and enzyme-linked immunosorbent assay, and also their correlations were investigated by statistical analysis...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28393618/regulatory-b-cells-are-functionally-impaired-in-patients-having-hemophilia-a-with-inhibitors
#18
Mohamed-Rachid Boulassel, Maryam Al-Ghonimi, Badriya Al-Balushi, Amal Al-Naamani, Zahra Al-Qarni, Yasser Wali, Mohamed Elshinawy, Maryam Al-Shezawi, Hamad Khan, Hanan Nazir, Doaa Khater, Anil Pathare, Salam Al-Kindi
Development of inhibitors remains a major clinical complication in patients with hemophilia A receiving replacement therapy with factor VIII (FVIII). Understanding the immune mechanisms involved in the development of inhibitors can provide valuable information about pathways to human tolerance. Recent evidence indicates that B regulatory (Breg) cells play a pivotal role in controlling the production of antibodies (Abs) while promoting follicular T helper (Tfh) cells and monocytes, expressing the low-density lipoprotein receptor-related protein (LRP/CD91), which is involved in FVIII intake from the circulation...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28386087/delivery-of-enac-sirna-to-epithelial-cells-mediated-by-a-targeted-nanocomplex-a-therapeutic-strategy-for-cystic-fibrosis
#19
Maria D I Manunta, Aristides D Tagalakis, Martin Attwood, Ahmad M Aldossary, Josephine L Barnes, Mustafa M Munye, Alexander Weng, Robin J McAnulty, Stephen L Hart
The inhibition of ENaC may have therapeutic potential in CF airways by reducing sodium hyperabsorption, restoring lung epithelial surface fluid levels, airway hydration and mucociliary function. The challenge has been to deliver siRNA to the lung with sufficient efficacy for a sustained therapeutic effect. We have developed a self-assembling nanocomplex formulation for siRNA delivery to the airways that consists of a liposome (DOTMA/DOPE; L), an epithelial targeting peptide (P) and siRNA (R). LPR formulations were assessed for their ability to silence expression of the transcript of the gene encoding the α-subunit of the sodium channel ENaC in cell lines and primary epithelial cells, in submerged cultures or grown in air-liquid interface conditions...
April 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28364096/-effects-of-dexamethasone-on-mrl-lpr-mice-with-systemic-lupus-erythematosus-complicated-with-cognitive-dysfunction
#20
Yuanyuan Wang, Jie Tang, Lin Shen, Jiangyan Li, Cheng Zha, Rui Wang, Kun Hu, Jin Xi, Jianrong Chang, Changhao Xie
To evaluate the effects of dexamethasone on systemic lupus erythematosus complicated with cognitive dysfunction.
 Methods: Ten wild type mice and 20 MRL/lpr mice were applied for the research. MRL/lpr mice were randomly assigned to a MRL/lpr group and a MRL/lpr + dexamethasone (1.5 mg/kg) group. Interleukin-6 (IL-6), IL-1β, and tumor necrosis factor alpha (TNF-α) in serum and hippocampus were detected. The protein phosphorylation levels of phosphoinositide 3-kinase (P-PI3K), protein kinase B (P-Akt), NF-kappa-B inhibitor alpha (P-IκBa) and nuclear transcription factor 
kappa-B p65 (P-NF-κB p65) were detected by Western blot, the level of P-NF-κB p65 also was detected by immunohistochemistry...
March 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
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