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https://www.readbyqxmd.com/read/27933703/effects-of-cpap-therapy-on-visceral-fat-thickness-carotid-intima-media-thickness-and-adipokines-in-patients-with-obstructive-sleep-apnoea
#1
Susanna S S Ng, Eric K H Liu, Ronald C W Ma, Tat-On Chan, Kin-Wang To, Ken K P Chan, Jenny Ngai, Wing-Ho Yip, Fanny W S Ko, Chun-Kwok Wong, David S C Hui
BACKGROUND AND OBJECTIVE: Obstructive sleep apnoea (OSA) is associated with an increased prevalence of metabolic syndrome. This study explores the effects of continuous positive airway pressure (CPAP) for patients with OSA on visceral and mesenteric fat thickness, carotid intima-media thickness (IMT) and adipokines. METHODS: A randomized controlled study was conducted at a teaching hospital on 90 patients newly diagnosed with OSA to receive either therapeutic CPAP or subtherapeutic CPAP for 3 months...
December 9, 2016: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27933701/ccr2-mediates-helicobacter-pylori-induced-immune-tolerance-and-contributes-to-mucosal-homeostasis
#2
Xia Sun, Min Zhang, Mohamad El-Zaatari, Gray B Huffnagle, John Y Kao
BACKGROUND: We previously demonstrated that H. pylori infection leads to increased induction of regulatory T cells in local and systemic immune compartments. Here, we investigate the role of CCR2 in the tolerogenic programing of dendritic cells in a mouse model of H. pylori infection. MATERIALS AND METHODS: CCR2 deficient (CCR2KO) mice and wild-type (Wt) mice infected with H. pylori SS1 strain were analyzed by qPCR and FACS analysis. In vitro, bone marrow-derived DC on day 6 from CCR2KO and Wt mice cocultured with or without H...
December 8, 2016: Helicobacter
https://www.readbyqxmd.com/read/27932554/inflammatory-cytokine-levels-after-endovascular-therapy-in-patients-with-peripheral-artery-disease
#3
Yasushi Ueki, Takashi Miura, Yusuke Miyashita, Souichiro Ebisawa, Hirohiko Motoki, Atsushi Izawa, Jun Koyama, Uichi Ikeda
We evaluated the impact of endovascular therapy (EVT) on inflammatory cytokine levels and its relationship with in-stent restenosis in patients with peripheral artery disease. The study prospectively enrolled 35 patients with intermittent claudication who underwent EVT of the iliofemoral artery. Levels of interleukin 6 (IL-6), monocyte chemoattractant protein-1 (MCP-1), and tumor necrosis factor α (TNF-α) were measured using enzyme-linked immunosorbent assay before and at 2 hours, 4 hours, and 3 months after EVT...
December 8, 2016: Angiology
https://www.readbyqxmd.com/read/27932239/the-therapeutic-effect-of-rosuvastatin-and-propylthiouracil-on-ameliorating-high-cholesterol-diet-induced-rabbit-aortic-atherosclerosis-and-stiffness
#4
Pao-Yuan Lin, Fan-Yen Lee, Christopher Glenn Wallace, Kuan-Hung Chen, Gour-Shenq Kao, Pei-Hsun Sung, Sarah Chua, Sheung-Fat Ko, Yung-Lung Chen, Shun-Cheng Wu, Hsueh-Wen Chang, Hon-Kan Yip, Pei-Lin Shao
BACKGROUND: We tested the hypothesis that arteriosclerosis-augmented aortic pulse wave velocity (PWV) and -impaired vasorelaxation were attenuated by rosuvastatin (Rosu) and propylthiouracil (PTU) therapy. METHODS AND RESULTS: Thirty-two New Zealand rabbits were equally divided into group 1 (sham-control), group 2 [high-cholesterol-diet (HCD) for 8weeks], group 3 [HCD-Rosu (20mg/kg/day administration after 4-week HFD for 4weeks)], and group 4 [HCD-PTU (0.1% PTU in drinking water), the treatment course as group 3]...
September 21, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27931512/xenotransplanted-pig-sertoli-cells-inhibit-both-the-alternative-and-classical-pathways-of-complement-mediated-cell-lysis-while-pig-islets-are-killed
#5
Kandis Wright, Rachel Dziuk, Payal Mital, Gurvinder Kaur, Jannette M Dufour
Xenotransplantation has vast clinical potential but is limited by the potent immune responses generated against xenogeneic tissue. Immune-privileged Sertoli cells (SCs) survive xenotransplantation long term (90 days) without immunosuppression, making SCs an ideal model to identify xenograft survival mechanisms. Xenograft rejection includes the binding of natural and induced antibodies and the activation of the complement cascade. Using an in vitro cytotoxicity assay, wherein cells were cultured with human serum and complement, we demonstrated that neonatal pig SCs (NPSCs) are resistant to complement-mediated cell lysis and express complement inhibitory factors, membrane cofactor protein (MCP; CD46), and decay-accelerating factor (DAF; CD55) at significantly higher levels than neonatal pig islets (NPIs), which served as non-immune-privileged controls...
November 2016: Cell Transplantation
https://www.readbyqxmd.com/read/27930728/profiling-and-identification-of-novel-immunogenic-proteins-of-staphylococcus-hyicus-zc-4-by-immunoproteomic-assay
#6
Lei Wang, Zhi-Wei Wu, Yan Li, Jian-Guo Dong, Le-Yi Zhang, Peng-Shuai Liang, Yan-Ling Liu, Ya-Hua Zhao, Chang-Xu Song
Staphylococcus hyicus has caused great losses in the swine industry by inducing piglet exudative epidermitis (EE), sow mastitis, metritis, and other diseases and is a threat to human health. The pathogenesis of EE, sow mastitis, and metritis involves the interaction between the host and virulent protein factors of S. hyicus, however, the proteins that interact with the host, especially the host immune system, are unclear. In the present study, immunoproteomics was used to screen the immunogenic proteins of S...
2016: PloS One
https://www.readbyqxmd.com/read/27930666/development-of-pet-imaging-to-visualize-activated-macrophages-accumulated-in-the-transplanted-ipsc-derived-cardiac-myocytes-of-allogeneic-origin-for-detecting-the-immune-rejection-of-allogeneic-cell-transplants-in-mice
#7
Noriyuki Kashiyama, Shigeru Miyagawa, Satsuki Fukushima, Takuji Kawamura, Ai Kawamura, Shohei Yoshida, Akima Harada, Tadashi Watabe, Yasukazu Kanai, Koichi Toda, Jun Hatazawa, Yoshiki Sawa
Allogeneic transplantation (Tx) of induced pluripotent stem cells (iPSCs) is a promising tissue regeneration therapy. However, this inevitably induces macrophage-mediated immune response against the graft, limiting its therapeutic efficacy. Monitoring the magnitude of the immune response using imaging tools would be useful for prolonging graft survival and increasing the therapy longevity. Minimally invasive quantitative detection of activated macrophages by medical imaging technologies such as positron emission tomography (PET) imaging targets translocator protein (TSPO), which is highly expressed on mitochondrial membrane, especially in activated macrophage...
2016: PloS One
https://www.readbyqxmd.com/read/27930452/shorter-duration-time-trial-performance-and-recovery-is-not-improved-by-inclusion-of-protein-in-a-multiple-carbohydrate-supplement
#8
Anthony S Wolfe, Sallee A Brandt, Isaac Krause, Rachel Mavison, Josh Aponte, Lisa M Ferguson-Stegall
Ingesting multiple carbohydrate (CHO) types during exercise can improve endurance performance compared to single CHO only. Adding protein to a multiple CHO beverage has been shown to increase cycling time to exhaustion (TTE) compared to a single CHO beverage. However, it is unclear if improvements were due to multiple CHOs or protein, and TTE protocols are not representative of typical race events. This study investigated whether adding protein to a multiple CHO beverage improved performance and recovery in 2 same-day cycling time trials compared to isocaloric multiple CHO-only...
November 19, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27930351/hydrogen-peroxide-responsive-nanoparticle-reduces-myocardial-ischemia-reperfusion-injury
#9
Soochan Bae, Minhyung Park, Changsun Kang, Serkan Dilmen, Tae Hi Kang, Dong Goo Kang, Qingen Ke, Seung Uk Lee, Dongwon Lee, Peter M Kang
BACKGROUND: During myocardial ischemia/reperfusion (I/R), a large amount of reactive oxygen species (ROS) is produced. In particular, overproduction of hydrogen peroxide (H2O2) is considered to be a main cause of I/R-mediated tissue damage. We generated novel H2O2-responsive antioxidant polymer nanoparticles (PVAX and HPOX) that are able to target the site of ROS overproduction and attenuate the oxidative stress-associated diseases. In this study, nanoparticles were examined for their therapeutic effect on myocardial I/R injury...
November 14, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27929393/xylobiose-an-alternative-sweetener-ameliorates-diabetes-related-metabolic-changes-by-regulating-hepatic-lipogenesis-and-mir-122a-33a-in-db-db-mice
#10
Eunjin Lim, Ji Ye Lim, Eunju Kim, Yoo-Sun Kim, Jae-Ho Shin, Pu Reum Seok, Sangwon Jung, Sang-Ho Yoo, Yuri Kim
Type 2 diabetes is a major public health concern worldwide. Xylobiose (XB) consists of two molecules of d-xylose and is a major disaccharide in xylooligosaccharides that are used as prebiotics. We hypothesized that XB could regulate diabetes-related metabolic and genetic changes via microRNA expression in db/db mice. For six weeks, C57BL/KsJ-db/db mice received 5% XB as part of the total sucrose content of their diet. XB supplementation improved glucose tolerance with reduced levels of OGTT AUC, fasting blood glucose, HbA1c, insulin, and HOMA-IR...
December 5, 2016: Nutrients
https://www.readbyqxmd.com/read/27926824/identification-and-characterization-of-chemosensors-for-d-malate-unnatural-enantiomer-of-malate-in-ralstonia-pseudosolanacearum
#11
Mattana Tunchai, Akiko Hida, Shota Oku, Yutaka Nakashimada, Takahisa Tajima, Junichi Kato
Ralstonia pseudosolanacearum Ps29 is attracted by nonmetabolizable D-malate, an unnatural enantiomer. Screening of a complete collection of single-mcp-gene deletion mutants of Ps29 revealed that the RSc1156 homolog is a chemosensor for D-malate. An RSc1156 homolog deletion mutant of Ps29 showed decreased but significant responses to D-malate, suggesting the existence of another D-malate chemosensor. McpM previously had been identified as a chemosensor for L-malate. We constructed an RSc1156 homolog mcpM double deletion mutant and noted that this mutant failed to respond to D-malate; thus, the RSc1156 homolog and McpM are the major chemosensors for D-malate in this organism...
December 2, 2016: Microbiology
https://www.readbyqxmd.com/read/27925871/no-signal-intensity-increase-in-the-dentate-nucleus-on-unenhanced-t1-weighted-mr-images-after-more-than-20-serial-injections-of-macrocyclic-gadolinium-based-contrast-agents
#12
Alexander Radbruch, Robert Haase, Pascal J Kieslich, Lukas D Weberling, Philipp Kickingereder, Wolfgang Wick, Heinz-Peter Schlemmer, Martin Bendszus
Purpose To determine the effect of more than 20 serial injections of macrocyclic gadolinium-based contrast agents (GBCAs) on the signal intensity (SI) of the dentate nucleus (DN) on unenhanced T1-weighted magnetic resonance (MR) images. Materials and Methods In this retrospective, institutional review board-approved study, 33 patients who underwent at least 20 consecutive MR imaging examinations (plus an additional MR imaging for reference) with the exclusive use of macrocyclic GBCAs gadoterate meglumine and gadobutrol were analyzed...
December 7, 2016: Radiology
https://www.readbyqxmd.com/read/27925202/calprotectin-induces-il-6-and-mcp-1-production-via-toll-like-receptor-4-signaling-in-human-gingival-fibroblasts
#13
Yasufumi Nishikawa, Yukari Kajiura, Jung Hwan Lew, Jun-Ichi Kido, Toshihiko Nagata, Koji Naruishi
Calprotectin, a heterodimer of S100A8 and S100A9 molecules, is associated with inflammatory diseases such as inflammatory bowel disease. We have reported that calprotectin levels in gingival crevicular fluids of periodontitis patients are significantly higher than in healthy subjects. However, the functions of calprotectin in pathophysiology of periodontitis are still unknown. The aim of this study is to investigate the effects of calprotectin on the productivity of inflammatory cytokines in human gingival fibroblasts (HGFs)...
December 7, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27923642/development-of-ifn-%C3%AE-secretory-elispot-based-assay-for-screening-of-adcc-responses
#14
Ashwini Shete, Poonam Suryawanshi, Chetan Chavan, Archana Kulkarni, Sheela Godbole, Manisha Ghate, Madhuri Thakar
Antibody Dependent Cell mediated Cytotoxicity has been established as one of the important protective immune mechanisms against HIV making it essential to evaluate it while testing immunogenicity of emerging vaccine candidates. IFN-γ secretory ELISPOT assay, widely used for evaluation of CTL response in HIV vaccine trials, was adapted for measuring ADCC responses and the results were compared with the standard ICS based assays. IFN-γ responses by both the methods were compared in plasma samples of 23 HIV infected individuals against Env and Gag peptides using granulocytes as antigen presenting cells...
December 3, 2016: Journal of Immunological Methods
https://www.readbyqxmd.com/read/27922176/dipeptidyl-peptidase-4-inhibitor-sitagliptin-reduces-inflammation-fibrosis-and-preserves-diastolic-function-in-a-rat-model-of-heart-failure-with-preserved-ejection-fraction
#15
Grazia Esposito, Donato Cappetta, Rosa Russo, Alessia Rivellino, Loreta Pia Ciuffreda, Fiorentina Roviezzo, Elena Piegari, L Liberato Berrino, Francesco Rossi, Antonella De Angelis, Konrad Urbanek
BACKGROUND AND PURPOSE: Heart failure with preserved ejection fraction (HFpEF) is a systemic syndrome driven by co-morbidities and its pathophysiology is poorly understood. Several studies suggesting that dipeptidyl peptidase 4 (DPP4) might be involved in the pathophysiology of heart failure prompted experimental and clinical investigations of DPP4 inhibitors on cardiovascular system. The aim of our study was to determine whether DPP4 inhibitor sitagliptin (SITA) affects the progression of HFpEF independently from the effects on glycaemia...
December 6, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27922090/mir-146a-mediated-suppression-of-the-inflammatory-response-in-human-adipocytes
#16
Julian Roos, Eveliina Enlund, Jan-Bernd Funcke, Daniel Tews, Karlheinz Holzmann, Klaus-Michael Debatin, Martin Wabitsch, Pamela Fischer-Posovszky
The obesity-associated inflammation of white adipose tissue (WAT) is one of the factors leading to the development of related diseases such as insulin resistance and liver steatosis. Recently, microRNAs (miRNAs) were identified as important regulators of WAT functions. Herein, we cultured human Simpson-Golabi-Behmel syndrome (SGBS) adipocytes with macrophage-conditioned medium (MacCM) and performed an Affimetrix miRNA array to identify miRNAs differentially expressed under inflammatory conditions. We identified 24 miRNAs differentially expressed upon inflammation in human adipocytes and miR-146a was the most up-regulated miRNA species...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27921220/increased-cell-free-mitochondrial-dna-is-a-marker-of-ongoing-inflammation-and-better-neurocognitive-function-in-virologically-suppressed-hiv-infected-individuals
#17
Josué Pérez-Santiago, Michelli F De Oliveira, Susanna R Var, Tyler R C Day, Steven P Woods, Sara Gianella, Sanjay R Mehta
Cell-free mitochondrial DNA (mtDNA) is a highly immunogenic molecule that is associated with several inflammatory conditions and with neurocognitive impairment during untreated HIV infection. Here, we investigate how cell-free mtDNA in cerebrospinal fluid (CSF) is associated with inflammation, neuronal damage, and neurocognitive functioning in the context of long-term suppressive antiretroviral therapy (ART). We quantified the levels of cell-free mtDNA in the CSF from 41 HIV-infected individuals with completely suppressed HIV RNA levels in blood plasma (<50 copies/mL) by droplet digital PCR...
December 5, 2016: Journal of Neurovirology
https://www.readbyqxmd.com/read/27921093/evaluation-of-a-novel-semi-automated-ultrasound-system-for-the-detection-of-synovitis-a-prospective-study-involving-45-patients-with-rheumatoid-arthritis
#18
M Witt, J Frielinghausen, R Mueller, F Mueller, F Proft, H Schulze-Koops, M Grunke, D-A Clevert
Background: Arthrosonography has proven to be more sensitive and reliable for the detection of synovitis than clinical examination, but a comprehensive examination of small joints is time-consuming. The automated breast volume scanner (ABVS) has been developed to allow automatic and reproducible series of consecutive B-mode pictures of the female breast. Objectives: To analyze the comparability of ABVS and conventional manual ultrasonography (mUS) for the detection of synovitis in hands and feet of patients with rheumatoid arthritis (RA)...
November 2016: Ultrasound International Open
https://www.readbyqxmd.com/read/27921071/validation-of-automatic-joint-space-width-measurements-in-hand-radiographs-in-rheumatoid-arthritis
#19
Olga Schenk, Yinghe Huo, Koen L Vincken, Mart A van de Laar, Ina H H Kuper, Kees C H Slump, Floris P J G Lafeber, Hein J Bernelot Moens
Computerized methods promise quick, objective, and sensitive tools to quantify progression of radiological damage in rheumatoid arthritis (RA). Measurement of joint space width (JSW) in finger and wrist joints with these systems performed comparable to the Sharp-van der Heijde score (SHS). A next step toward clinical use, validation of precision and accuracy in hand joints with minimal damage, is described with a close scrutiny of sources of error. A recently developed system to measure metacarpophalangeal (MCP) and proximal interphalangeal (PIP) joints was validated in consecutive hand images of RA patients...
October 2016: Journal of Medical Imaging
https://www.readbyqxmd.com/read/27920272/mcpip1-regnase-1-restricts-il-17a-and-il-17c-dependent-skin-inflammation
#20
Leticia Monin, Johann E Gudjonsson, Erin E Childs, Nilesh Amatya, Xianying Xing, Akash H Verma, Bianca M Coleman, Abhishek V Garg, Meaghan Killeen, Alicia Mathers, Nicole L Ward, Sarah L Gaffen
The IL-17 family cytokines IL-17A and IL-17C drive the pathogenesis of psoriatic skin inflammation, and anti-IL-17A Abs were recently approved to treat human psoriasis. Little is known about mechanisms that restrain IL-17 cytokine-mediated signaling, particularly IL-17C. In this article, we show that the endoribonuclease MCP-1-induced protein 1 (MCPIP1; also known as regnase-1) is markedly upregulated in human psoriatic skin lesions. Similarly, MCPIP1 was overexpressed in the imiquimod (IMQ)-driven mouse model of cutaneous inflammation...
December 5, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
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