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https://www.readbyqxmd.com/read/29458217/a-new-two-dimensional-shear-wave-elastography-for-noninvasive-assessment-of-liver-fibrosis-in-healthy-subjects-and-in-patients-with-chronic-liver-disease
#1
Carla Serra, Valentina Grasso, Fabio Conti, Cristina Felicani, Elena Mazzotta, Marco Lenzi, Gabriella Verucchi, Antonietta D'errico, Pietro Andreone
PURPOSE: To assess the performance of two-dimensional shear wave elastography (2D-SWE) on the GE LOGIQ E9 ultrasound system in a cohort of healthy subjects and to investigate its accuracy in the staging of liver fibrosis in patients with chronic liver disease (CLD) using liver biopsy as a reference standard. MATERIALS AND METHODS: From October 2014 to June 2016, 54 healthy subjects and 174 patients with CLD were consecutively enrolled. Liver fibrosis stage was assessed by the METAVIR scoring system...
February 19, 2018: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/29458204/a-review-of-implantable-biosensors-for-closed-loop-glucose-control-and-other-drug-delivery-applications
#2
Kee Scholten, Ellis Meng
Closed-loop drug delivery promises autonomous control of pharmacotherapy through the continuous monitoring of biomarker levels. For decades, researchers have strived for portable closed-loop systems, capable of treating ambulatory patients with chronic conditions such as diabetes mellitus. After years of development, the first of these systems have left the laboratory and entered commercial use. This long-awaited advance reflects recent development of chronically stable implantable biosensors, able to accurately measure biomarker levels in vivo...
February 16, 2018: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29458198/adverse-childhood-experiences-and-adult-inflammation-findings-from-the-1958-british-birth-cohort
#3
Mingyi Chen, Rebecca E Lacey
BACKGROUND: The relationship between adverse childhood experiences (ACE) and poorer health across the life course is well established. Increased chronic inflammation might be one mechanism through which these associations operate. The aim of this study was to explore the relationship between ACE and adult inflammation using a prospective longitudinal study. We also investigated whether associations were explained by life course socioeconomic, psychological and health behavioural factors, and whether associations differed by gender...
February 16, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29458195/human-dorsal-root-ganglion-pulsed-radiofrequency-treatment-modulates-cerebrospinal-fluid-lymphocytes-and-neuroinflammatory-markers-in-chronic-radicular-pain
#4
Basabjit Das, Melissa Conroy, David Moore, Joanne Lysaght, Connail McCrory
Radicular pain is a common cause of disability. Traditionally treatment has been either epidural steroid injection providing short-term relief or surgery with associated complications. Pulsed radiofrequency (PRF) applied to the Dorsal Root Ganglion (DRG) is a minimally invasive day-care treatment, which is gaining significant clinical acceptance in a selective group of patients with pure radicular pain. Greater insights into the immunomodulatory effects of this procedure may help to further optimise its application and find alternative treatment options...
February 16, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29458194/differential-effects-of-acute-versus-chronic-stress-on-ethanol-sensitivity-evidence-for-interactions-on-both-behavioral-and-neuroimmune-outcomes
#5
Tamara L Doremus-Fitzwater, Jacqueline E Paniccia, Anny Gano, Andrew Vore, Terrence Deak
Acute alcohol intoxication induces significant alterations in brain cytokines. Since stress challenges also profoundly impact central cytokine expression, these experiments examined the influence of acute and chronic stress on ethanol-induced brain cytokine responses. In Experiment 1, adult male rats were exposed to acute footshock. After a post-stress recovery interval of 0, 2, 4, or 24 h, rats were administered ethanol (4 g/kg; intragastric), with trunk blood and brains collected 3 h later. In non-stressed controls, acute ethanol increased expression of Il-6 and IκBα in the hippocampus...
February 16, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29458167/autosomal-dominant-deficiency-of-the-interleukin-17f-in-recurrent-aphthous-stomatitis-possible-novel-mutation-in-a-new-entity
#6
Alireza Zare Bidoki, Ahmad Massoud, Shamsolmoulouk Najafi, Mahsa Mohammadzadeh, Nima Rezaei
Recurrent Aphthous Stomatitis (RAS) is a common oral inflammatory disease with unknown pathogenesis. Although the immune system alterations could be involved in predisposition of individuals to oral candidiasis, precise etiologies of RAS have not been understood yet. A recent study showed that autosomal dominant IL17F deficiency could cause chronic mucocutaneous candidiasis. Considering the inflammatory nature of interleukin (IL)-17F and RAS, this study was performed to check any disease-associated mutation in a number of patients with RAS...
February 16, 2018: Gene
https://www.readbyqxmd.com/read/29458164/structure-dependent-induction-of-apoptosis-by-hepatotoxic-pyrrolizidine-alkaloids-in-the-human-hepatoma-cell-line-heparg-single-versus-repeated-exposure
#7
Julia Waizenegger, Albert Braeuning, Markus Templin, Alfonso Lampen, Stefanie Hessel-Pras
Pyrrolizidine alkaloids (PA) are secondary plant compounds. PA intoxication in humans causes severe acute and chronic hepatotoxicity. However, the molecular mechanisms of PA hepatotoxicity in humans are not well understood yet. Therefore, we investigated cell death parameters in human HepaRG cells following either single (24 h) or repeated dose treatment (14 d) with structurally different PA of the retronecine (echimidine, senecionine), heliotridine (heliotrine), and otonecine type (senkirkine). After 24 h of exposure only retronecine-type PA were cytotoxic in HepaRG cells and induced apoptosis indicated by a loss of membrane asymmetry, disruption of the mitochondrial membrane potential, and increased pro-caspase and PARP cleavage...
February 16, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29458159/strawberry-extracts-efficiently-counteract-inflammatory-stress-induced-by-the-endotoxin-lipopolysaccharide-in-human-dermal-fibroblast
#8
Massimiliano Gasparrini, Francesca Giampieri, Tamara Y Forbes-Hernandez, Sadia Afrin, Danila Cianciosi, Patricia Reboredo-Rodriguez, Alfonso Varela-Lopez, JiaoJiao Zhang, Josè L Quiles, Bruno Mezzetti, Stefano Bompadre, Maurizio Battino
A protracted pro-inflammatory state is the common denominator in the development, progression and complication of the common chronic diseases. Dietary antioxidants represent an efficient tool to counteract this inflammatory state. The aim of the present work was to evaluate the effects of strawberry extracts on inflammation evoked by E. Coli lipopolysaccharide in Human Dermal Fibroblast, by measuring reactive oxygen species production, apoptosis rate, antioxidant enzymes activity, mitochondria functionality and also investigating the molecular pathway involved in inflammatory and antioxidant response...
February 16, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29458131/inhibition-of-hepatitis-b-virus-replication-via-hbv-dna-cleavage-by-cas9-from-staphylococcus-aureus
#9
Yu Liu, Miaoxian Zhao, Mingxing Gong, Ying Xu, Cantao Xie, Haohui Deng, Xueying Li, Hongkai Wu, Zhanhui Wang
Chronic hepatitis B virus (HBV) infection is difficult to cure due to the presence of covalently closed circular DNA (cccDNA). Accumulating evidence indicates that the CRISPR/Cas9 system effectively disrupts HBV genome, including cccDNA, in vitro and in vivo. However, efficient delivery of CRISPR/Cas9 system to the liver or hepatocytes using an adeno-associated virus (AAV) vector remains challenging due to the large size of Cas9 from Streptococcus pyogenes (Sp). The recently identified Cas9 protein from Staphylococcus aureus (Sa) is smaller than SpCas9 and thus is able to be packaged into the AAV vector...
February 16, 2018: Antiviral Research
https://www.readbyqxmd.com/read/29458119/the-function-of-hla-b-13-01-involved-in-the-pathomechanism-of-dapsone-induced-severe-cutaneous-adverse-reactions
#10
Wei-Ti Chen, Chuang-Wei Wang, Chun-Wei Lu, Chun-Bing Chen, Hua-En Lee, Shuen-Iu Hung, Siew-Eng Choon, Chih-Hsun Yang, Ming-Tsan Liu, Ting Jui Chen, Wen-Lang Fan, Shih-Chi Su, Yang Yu-Wei Lin, Ya-Ching Chang, Wen-Hung Chung
Dapsone-induced hypersensitivity reactions may cause severe cutaneous adverse reactions (SCAR), such as drug reaction with eosinophilia and systemic symptoms (DRESS). It has been reported that HLA-B*13:01 is strongly associated with dapsone-induced hypersensitivity reactions among leprosy patients. However, the phenotype specificity and detailed immune mechanism of HLA-B*13:01 remains unclear. We investigated the genetic predisposition, HLA-B*13:01 function, and cytotoxic T cells (CTLs) involved in pathogenesis of dapsone-SCAR...
February 16, 2018: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29458107/wnt-receptor-signalling-in-lung-physiology-and-pathology
#11
REVIEW
Wioletta Skronska-Wasek, Reinoud Gosens, Melanie Königshoff, Hoeke Abele Baarsma
The WNT signalling cascades have emerged as critical regulators of a wide variety of biological aspects involved in lung development as well as in physiological and pathophysiological processes in the adult lung. WNTs (secreted glycoproteins) interact with various transmembrane receptors and co-receptors to activate signalling pathways that regulate transcriptional as well as non-transcriptional responses within cells. In physiological conditions, the majority of WNT receptors and co-receptors can be detected in the adult lung...
February 16, 2018: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29458096/identification-of-macrophage-related-candidate-genes-in-lupus-nephritis-using-bioinformatics-analysis
#12
Bingyan Shu, Yi Fang, Weichun He, Junwei Yang, Chunsun Dai
Lupus nephritis (LN) is a chronic autoimmune disorder. Here we try to identify the candidate genes in macrophages related to LN. We performed a systematic search in the Gene Expression Omnibus (GEO) database for microarray in human mononuclear cells and mouse macrophages of LN. The results of clustering and venn analysis of different GEO datasets showed that 8 genes were up-regulated and 2 genes down-regulated in samples from both human and mouse LN. The data from gene network and GO analysis revealed that CD38 and CCL2 were localized in the core of the network...
February 16, 2018: Cellular Signalling
https://www.readbyqxmd.com/read/29458040/pharmacological-inhibition-of-jak3-enhances-the-antitumor-activity-of-imatinib-in-human-chronic-myeloid-leukemia
#13
Kenta Yagi, Akira Shimada, Toshiaki Sendo
Imatinib (IMA) is the standard treatment for CML; however, stopping IMA sometimes results in disease relapse, which suggests that leukemic stem cells (LSCs) remain in such patients, even after complete molecular remission has been achieved. Therefore, new strategies will be required to eradicate LSCs. The Janus kinase-signal transducer and activator of transcription (JAK-STAT) pathway is part of the BCR-ABL signaling network, and it is activated in CML, especially in LSCs. JAK2 is known to be associated with CML survival, but the role of JAK3 in CML remains unknown...
February 16, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29458024/spinal-cord-specific-deletion-of-the-glutamate-transporter-glt1-causes-motor-neuron-death-in-mice
#14
Kaori Sugiyama, Kohichi Tanaka
Amyotrophic lateral sclerosis (ALS) is a chronic neurodegenerative disorder characterized by the selective loss of motor neurons. The precise mechanisms that cause the selective death of motor neurons remain unclear, but a growing body of evidence suggests that glutamate-mediated excitotoxicity has been considered to play an important role in the mechanisms of motor neuron degeneration in ALS. Reductions in glutamate transporter GLT1 have been reported in animal models of ALS and the motor cortex and spinal cord of ALS patients...
February 16, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29458012/klf10-gene-expression-modulates-fibrosis-in-dystrophic-skeletal-muscle
#15
Joseph X DiMario
Dystrophic skeletal muscle is characterized by fibrotic accumulation of extracellular matrix components that compromise muscle structure, function, and capacity for regeneration. Tissue fibrosis is often initiated and sustained through transforming growth factor β (TGFβ) signaling, and KLF10 is an immediate early gene that is transcriptionally activated in response to TGFβ signaling. It encodes a transcriptional regulator that mediates the effects of TGFβ signaling in a variety of cell types. This report presents results of investigation of the effects of loss of KLF10 gene expression in wild-type and dystrophic (mdx) skeletal muscle...
February 16, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29458010/galectin-9-is-critical-for-mucosal-adaptive-immunity-through-the-t-h-17-iga-axis
#16
Chih-Chia Liang, Chi-Shan Li, I-Chun Weng, Huan-Yuan Chen, Hsueh-Han Lu, Chiu-Ching Huang, Fu-Tong Liu
Impairment of the intestinal mucosal immunity significantly increases the risk of acute and chronic diseases. Immunoglobulin A (IgA) plays a major role in humoral mucosal immunity to provide protection against pathogens and toxins in the gut. Here, we investigated the role of endogenous galectin-9, a tandem repeat-type β-galactoside-binding protein, in intestinal mucosal immunity. By mucosal immunization of Lgals9-/- and littermate control mice, it was found that lack of galectin-9 impaired mucosal antigen-specific IgA response in the gut...
February 16, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29458003/fgf-23-pth-and-vitamin-d-status-in-end-stage-renal-disease-patients-affected-by-vdr-foki-and-bsmi-variants
#17
Mouna Bouksila, Wajih Kaabachi, Mehdi Mrad, Wided Smaoui, Elhem Cheour El Kateb, Mohammed Karim Zouaghi, Kamel Hamzaoui, Afef Bahlous
OBJECTIVES: The aim of this study was to evaluate the association between two VDR SNPs FokI and BsmI and mineral status in ESRD patients. DESIGN AND METHODS: Our case-control study included 100 patients with chronic renal failure in ESRD and 149 healthy subjects. We measured the serum Vitamin D levels and the serum intact PTH level by Electrochemiluminescence Technology (cobas E411 analyzer). We evaluated the serum FGF23 levels by indirect ELISA method. The genotyping of two VDR gene variants FokI and BsmI was carried out by PCR-RFLP technique...
February 16, 2018: Clinical Biochemistry
https://www.readbyqxmd.com/read/29457998/home-based-neuromuscular-electrical-stimulation-as-an-add-on-to-pulmonary-rehabilitation-does-not-provide-further-benefits-in-patients-with-chronic-obstructive-pulmonary-disease-a-multicenter-randomized-trial
#18
Tristan Bonnevie, Francis-Edouard Gravier, David Debeaumont, Catherine Viacroze, Jean-François Muir, Antoine Cuvelier, Marie Netchitaïlo, Anne Laure Roy, Jean Quieffin, Marie-Hélène Marques, Clément Médrinal, Johan Dupuis, Catherine Tardif
OBJECTIVE: To assess the additional effect of a home-based neuro muscular electrical stimulation (NMES) program as an add-on to pulmonary rehabilitation (PR), on functional capacity in subjects with chronic obstructive pulmonary disease (COPD). DESIGN: Single-blind, multicenter randomized trial. SETTING: Three PR centers. PARTICIPANTS: Subjects with severe to very severe COPD referred for PR (n=73; median FEV1, 1 (0...
February 16, 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29457995/validation-of-a-brazilian-portuguese-version-of-the-transition-readiness-assessment-questionnaire-traq-in-a-population-of-transitional-youth-with-chronic-rheumatologic-disorders
#19
Catherine G Anelli, Claudio A Len, Maria T Terreri, Gleice C S Russo, Andreas O Reiff
OBJECTIVE: To translate and validate the Brazilian Portuguese version of the Transition Readiness Assessment Questionnaire in a population of adolescents and young adults with chronic rheumatologic disorders. This questionnaire evaluates the patient's readiness for making the transition from the pediatric health service to adult care. METHODS: The four-phase methodology for the translation and validation of generic questionnaires was followed, including translation, back-translation, pilot testing and clinical validation of the final tool...
February 16, 2018: Jornal de Pediatria
https://www.readbyqxmd.com/read/29457982/discovery-of-gdc-0853-a-potent-selective-and-non-covalent-bruton-s-tyrosine-kinase-inhibitor-in-early-clinical-development
#20
James J Crawford, Adam R Johnson, Dinah L Misner, Lisa D Belmont, Georgette M Castanedo, Regina Choy, Melis Coraggio, Liming Dong, Charles Eigenbrot, Rebecca Erickson, Nico Ghilardi, Jonathan Hau, Arna Katewa, Pawan Bir Kohli, Wendy Lee, Joseph W Lubach, Brent S McKenzie, Daniel Fred Ortwine, Leah Schutt, Suzanne Tay, Binqing Wei, Karin Reif, Lichuan Liu, Harvey Wong, Wendy B Young
Btk is a non-receptor cytoplasmic tyrosine kinase involved in B-cell and myeloid cell activation, downstream of B-cell and Fcγ receptors, respectively. Pre-clinical studies have indicated that inhibition of Btk activity might offer a potential therapy in autoimmune diseases such as rheumatoid arthritis and systemic lupus erythematosus. Here we disclose the discovery and pre-clinical characterization of a potent, selective, and non-covalent Btk inhibitor currently in clinical development. GDC-0853 (29) suppresses B cell- and myeloid cell-mediated components of disease, and demonstrates dose-dependent activity in an in vivo rat model of inflammatory arthritis...
February 19, 2018: Journal of Medicinal Chemistry
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