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https://www.readbyqxmd.com/read/28324804/high-density-lipoprotein-immunomodulates-the-functional-activities-of-macrophage-and-cytokines-produced-during-ex-vivo-macrophage-cd4-t-cell-crosstalk-at-the-recent-onset-human-type-1-diabetes
#1
Ibtissem Benghalem, Warda Meziane, Zeyneb Hadjidj, Lamia Ysmail-Dahlouk, Ahmed Belamri, Kheira Mouhadjer, Mourad Aribi
BACKGROUND: Both CD4(+) T cells and macrophages are mainly involved in the autoimmune-mediated β-cells destruction in type 1 diabetes (T1D). The aim of this study was to examine the effect of HDL on functional activities of macrophage and its ability to regulate the production of cytokines in autologous mixed macrophage/CD4(+) T cells at the recent-onset human type 1 diabetes. METHODS: Cell samples were isolated from volunteers with recent-onset T1D or healthy controls...
March 16, 2017: Cytokine
https://www.readbyqxmd.com/read/28324042/interleukin-1-antagonism-decreases-cortisol-levels-in-obese-individuals
#2
Sandrine Andrea Urwyler, Philipp Schuetz, Fahim Ebrahimi, Marc Y Donath, Mirjam Christ-Crain
Context: Increased cortisol levels in obesity may contribute to the associated metabolic syndrome. In obesity, the activated innate immune system leads to increased interleukin (IL)-1β, which is known to stimulate the release of adrenocorticotropin hormone (ACTH). Objective: We hypothesised that in obesity IL-1 antagonism would result in downregulation of the hypothalamo-pituitary-adrenal (HPA) axis, leading to decreased cortisol levels. Design and participants: In this prospective intervention study we included 73 patients with obesity (BMI >30kg/m2) and at least one additional feature of the metabolic syndrome...
February 20, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323904/pyrrolidine-dithiocarbamate-administered-during-ex-vivo-lung-perfusion-promotes-rehabilitation-of-injured-donor-rat-lungs-obtained-after-prolonged-warm-ischemia
#3
Cyril Francioli, Xingyu Wang, Roumen Parapanov, Etienne Abdelnour, Jérôme Lugrin, Fabrizio Gronchi, Jean Perentes, Philippe Eckert, Hans-Beat Ris, Lise Piquilloud, Thorsten Krueger, Lucas Liaudet
Damaged lung grafts obtained after circulatory death (DCD lungs) and warm ischemia may be at high risk of reperfusion injury after transplantation. Such lungs could be pharmacologically reconditioned using ex-vivo lung perfusion (EVLP). Since acute inflammation related to the activation of nuclear factor kappaB (NF-κB) is instrumental in lung reperfusion injury, we hypothesized that DCD lungs might be treated during EVLP by pyrrolidine dithiocarbamate (PDTC), an inhibitor of NF-κB. Rat lungs exposed to 1h warm ischemia and 2 h cold ischemia were subjected to EVLP during 4h, in absence (CTRL group, N = 6) or in presence of PDTC (2...
2017: PloS One
https://www.readbyqxmd.com/read/28323901/characterization-of-stromal-vascular-fraction-and-adipose-stem-cells-from-subcutaneous-preperitoneal-and-visceral-morbidly-obese-human-adipose-tissue-depots
#4
Karina Ribeiro Silva, Isis Côrtes, Sally Liechocki, João Regis Ivar Carneiro, Antônio Augusto Peixoto Souza, Radovan Borojevic, Clarissa Menezes Maya-Monteiro, Leandra Santos Baptista
BACKGROUND/OBJECTIVES: The pathological condition of obesity is accompanied by a dysfunctional adipose tissue. We postulate that subcutaneous, preperitoneal and visceral obese abdominal white adipose tissue depots could have stromal vascular fractions (SVF) with distinct composition and adipose stem cells (ASC) that would differentially account for the pathogenesis of obesity. METHODS: In order to evaluate the distribution of SVF subpopulations, samples of subcutaneous, preperitoneal and visceral adipose tissues from morbidly obese women (n = 12, BMI: 46...
2017: PloS One
https://www.readbyqxmd.com/read/28323898/perfluorocarbon-reduces-cell-damage-from-blast-injury-by-inhibiting-signal-paths-of-nf-%C3%AE%C2%BAb-mapk-and-bcl-2-bax-signaling-pathway-in-a549-cells
#5
Zhaorui Zhang, Zhixin Liang, Huaidong Li, Chunsun Li, Zhen Yang, Yanqin Li, Danyang She, Lu Cao, Wenjie Wang, Changlin Liu, Liangan Chen
BACKGROUND AND OBJECTIVE: Blast lung injury is a common type of blast injury and has very high mortality. Therefore, research to identify medical therapies for blast injury is important. Perfluorocarbon (PFC) is used to improve gas exchange in diseased lungs and has anti-inflammatory functions in vitro and in vivo. The aim of this study was to determine whether PFC reduces damage to A549 cells caused by blast injury and to elucidate its possible mechanisms of action. STUDY DESIGN AND METHODS: A549 alveolar epithelial cells exposed to blast waves were treated with and without PFC...
2017: PloS One
https://www.readbyqxmd.com/read/28323859/diacerein-inhibits-the-pro-atherogenic-pro-inflammatory-effects-of-il-1-on-human-keratinocytes-endothelial-cells
#6
Girish C Mohan, Huayi Zhang, Lei Bao, Benjamin Many, Lawrence S Chan
We investigated IL-1-induced regulation of genes related to inflammation and atherogenesis in human keratinocytes and endothelial cells, and if 'diacerein', an oral IL-1 inhibiting drug currently approved for use in osteoarthritis, would reverse IL-1's effects on these cells. Primary human keratinocytes and coronary artery endothelial cells were treated with either IL-1α or IL-1β, with and without diacerein. Using PCR-array, we assessed differential gene-expression regulated by IL-1 and diacerein. We identified 34 pro-atherogenic genes in endothelial cells and 68 pro-inflammatory genes in keratinocytes significantly (p<0...
2017: PloS One
https://www.readbyqxmd.com/read/28323709/single-stage-transpedicular-vertebrectomy-and-expandable-cage-placement-for-treatment-of-unstable-mid-and-lower-lumbar-burst-fractures
#7
Jong-Il Choi, Bum-Joon Kim, Sung-Kon Ha, Sang-Dae Kim, Dong-Jun Lim, Se-Hoon Kim
STUDY DESIGN: Retrospective clinical and radiographic study. OBJECTIVE: To examine the efficacy and safety of vertebrectomy and expandable cage placement by a single-stage posterior approach for unstable mid and lower lumbar burst fractures (below the L3). SUMMARY OF BACKGROUND DATA: Patients with unstable mid and lower lumbar burst fractures require surgical treatment to relieve pain, address paralysis, and stabilize the spine to prevent further segmental deformity...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28323627/effects-of-xuebijing-injection-for-patients-with-sepsis-induced-acute-kidney-injury-after-wenchuan-earthquake
#8
Qin Yuxi, Hanlai Zhang, Yu Baili, Shihua Shi
Context • Earthquakes are devastating disasters that have claimed countless lives in the past, partially owing to the danger of direct and indirect injuries to vital organs. In the deadly earthquake that occurred in Sichuan Province of China on May 12, 2008, some victims suffered from severe damage to multiple organs and tissue and developed sepsis, a systematic inflammatory reaction resulting from infection and trauma. Xuebijing injection (CCXG) could beneficial for improvement of clinical symptoms in those patients, but no research has yet examined its potential...
March 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28320107/pre-conditioning-with-tanshinone-iia-attenuates-the-ischemia-reperfusion-injury-caused-by-liver-grafts-via-regulation-of-hmgb1-in-rat-kupffer-cells
#9
Xuanfei Li, Yakun Wu, Wenfeng Zhang, Jianping Gong, Yao Cheng
OBJECTIVE: We have evaluated the protective mechanism of tanshinone IIA in ischemia/reperfusion injury (IRI) induced by liver grafts, revealing novel supplementary immunotherapy for liver transplantation. METHODS: The tanshinone IIA preconditioning group (TP group) was pretreated with tanshinone IIA via intraperitoneal injection for 1 week before receiving orthotopic liver transplantation with hepatic arterial ischemia for 30min. The sham-operation group (SO group), control graft group (CG group) and IRI group were pretreated with an equivalent volume of normal saline...
March 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28319898/immunodetection-of-salivary-biomarkers-by-an-optical-microfluidic-biosensor-with-polyethylenimine-modified-polythiophene-c70-organic-photodetectors
#10
Tao Dong, Nuno Miguel Matos Pires
This work reports a novel optical microfluidic biosensor with highly sensitive organic photodetectors (OPDs) for absorbance-based detection of salivary protein biomarkers at the point of care. The compact and miniaturized biosensor has comprised OPDs made of polythiophene-C70 bulk heterojunction for the photoactive layer; whilst a calcium-free cathode interfacial layer, made of linear polyethylenimine, was incorporated to the photodetectors to enhance the low cost. The OPDs realized onto a glass chip were aligned to antibody-functionalized chambers of a poly(methyl methacrylate) microfluidic chip, in where immunogold-silver assays were conducted...
March 6, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28319850/methylation-of-hpa-axis-related-genes-in-men-with-hypersexual-disorder
#11
Jussi Jokinen, Adrian E Boström, Andreas Chatzittofis, Diana M Ciuculete, Katarina Görts Öberg, John N Flanagan, Stefan Arver, Helgi B Schiöth
Hypersexual Disorder (HD) defined as non-paraphilic sexual desire disorder with components of compulsivity, impulsivity and behavioral addiction, and proposed as a diagnosis in the DSM 5, shares some overlapping features with substance use disorder including common neurotransmitter systems and dysregulated hypothalamic-pituitary-adrenal (HPA) axis function. In this study, comprising 67 HD male patients and 39 male healthy volunteers, we aimed to identify HPA-axis coupled CpG-sites, in which modifications of the epigenetic profile are associated with hypersexuality...
March 10, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28319836/a-cross-sectional-comparison-of-ethanol-related-cytokine-expression-in-the-hippocampus-of-young-and-aged-fischer-344-rats
#12
Anny Gano, Tamara L Doremus-Fitzwater, Terrence Deak
Our work in Sprague Dawley rats has shown rapid alterations in neuroimmune gene expression (RANGE) in the hippocampus and paraventricular nucleus of the hypothalamus (PVN). These manifest as increased interleukin (IL)-6 and IκBα, and suppressed IL-1β and tumor necrosis factor alpha during acute ethanol intoxication. The present studies tested these effects across the lifespan (young adulthood at 2-3 months; senescence at 18 and 24 months), as well as across strain (Fischer 344) and sex. The hippocampus revealed age-dependent shifts in cytokine expression (IL-6, IL-1β, and monocyte chemoattractant protein 1), but no changes were observed in the PVN at baseline or following ethanol...
March 17, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28319748/modulation-of-vascular-function-and-anti-aggregation-effect-induced-by-1%C3%A2-3-1%C3%A2-6-%C3%AE-d-glucan-of-saccharomyces-cerevisiae-and-its-carboxymethylated-derivative-in-rats
#13
Lorena Soares Bezerra, Marciane Magnani, Raul Jorge Hernan Castro-Gomez, Hassler Clementino Cavalcante, Tays Amanda Felisberto da Silva, Renata Layne Paixão Vieira, Isac Almeida de Medeiros, Robson Cavalcante Veras
BACKGROUND: β-d-Glucans are polysaccharides found in the cell walls of yeasts, such as Saccharomyces cerevisiae, and they have been studied because of their beneficial effects on health, mainly in terms of immunomodulation. However, information on the action of these polymers on vascular and platelet function is still scarce. This study evaluate the effect of (1→3) (1→6) β-d-glucan (βG-Sc) and its carboxymethylated derivative (CM-G) on vascular and platelet function in rats. METHODS: The animals received daily oral treatments with βG-Sc (20mg/kg) and CM-G (20mg/kg) for eight days...
January 12, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28319607/reduced-bone-mineral-density-in-children-with-screening-detected-celiac-disease
#14
Sara Björck, Charlotte Brundin, Magnus Karlsson, Daniel Agardh
OBJECTIVES: To assess if bone mass and metabolism are impaired in genetically at risk children with screening-detected celiac disease. METHODS: Included were 71 children with screening-detected celiac disease diagnosed at 10.0 ± 0.7 (mean ± SD) years and 142 matched controls as well as 30 children with screening-detected celiac disease diagnosed at 3.3 ± 0.4 years of age presently on a gluten-free diet for 6.9 ± 1.1 years and 60 matched controls...
March 17, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28319586/short-term-exercise-training-alters-leukocyte-chemokine-receptors-in-obese-adults
#15
Julianne C Barry, Svetlana Simtchouk, Cody Durrer, Mary E Jung, Jonathan P Little
Obesity is characterized by chronic low-grade inflammation driven by activation and tissue infiltration of circulating leukocytes. Although exercise has anti-inflammatory effects, the impact of exercise on mediators of leukocyte migration is unclear. PURPOSE: To determine the impact of high intensity interval training (HIIT) versus moderate intensity continuous training (MICT), in the absence of weight/fat loss, on circulating chemokines and leukocyte chemokine receptors. METHODS: Thirty-seven inactive obese adults were randomized to two weeks (10 sessions) of HIIT or MICT with fasting blood samples collected before and after training...
March 18, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28319548/tanshinone-iia-attenuates-sevoflurane-neurotoxicity-in-neonatal-mice
#16
Yimeng Xia, Heng Xu, Chenfei Jia, Xiaodong Hu, Yu Kang, Xiaoxuan Yang, Qingsheng Xue, Guorong Tao, Buwei Yu
BACKGROUND: Sevoflurane is the most widely used inhalational anesthetic in pediatric medicine. Despite this, sevoflurane has been reported to exert potentially neurotoxic effects on the developing brain. Clinical interventions and treatments for these effects are limited. Tanshinone IIA (Tan IIA), extracted from Salvia miltiorrhiza (Danshen), has been documented to alleviate cognitive decline in traditional applications. Therefore, we hypothesized that preadministration of Tan IIA may attenuate sevoflurane-induced neurotoxicity, suggesting that Tan IIA is a new and promising drug capable of counteracting the effects of cognitive dysfunction produced by general anesthetics...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28319517/effects-of-a-lidocaine-loaded-poloxamer-alginate-cacl2-mixture-on-postoperative-pain-and-adhesion-in-a-rat-model-of-incisional-pain
#17
Geun Joo Choi, Hyun Kang, Min Eui Hong, Hwa Yong Shin, Chong Wha Baek, Yong Hun Jung, Younsuk Lee, Jeong Wook Kim, I L Kyu Park, Wan Jin Cho
BACKGROUND: Pain and adhesion are problematic issues after surgery. Lidocaine has analgesics and anti-inflammatory properties, and poloxamer/alginate/CaCl2 (PACM) is a known antiadhesive agent. We hypothesized that the novel combination of lidocaine as chemical barrier and PACM as physical barrier would be beneficial for both postoperative pain and adhesion. The purpose of this study was to investigate the effects of lidocaine-loaded PACM in a rat model of incisional pain. Primary outcome was to evaluate between-group differences for the mechanical withdrawal threshold (MWT) measured by von Frey filament in various concentrations of lidocaine-loaded PACM applied, PACM applied, and sham-operated groups...
March 17, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28319508/exercise-combined-with-ultrasound-attenuates-neuropathic-pain-in-rats-associated-with-downregulation-of-il-6-and-tnf-%C3%AE-but-with-upregulation-of-il-10
#18
Po-Ching Huang, Kun-Ling Tsai, Yu-Wen Chen, Heng-Teng Lin, Ching-Hsia Hung
BACKGROUND: Although there are several evidences that suggest efficacies of therapeutic ultrasound (TU) or treadmill exercise (TE) to alleviate nerve injury-associated pain, molecular mechanisms are less clear. We aimed to investigate the impact of TU and/or TE on neuropathic pain induced by chronic constriction injury (CCI) of the sciatic nerve and their roles of proinflammatory and anti-inflammatory cytokines. METHODS: Rats were randomly divided into (n = 10 per group) sham operation (sham), CCI procedure followed by false application of TU (CCI + TU0), CCI procedure followed by false application of TU and TE (CCI + TU0 + TE), CCI, and CCI procedure followed by TU alone (CCI + TU), TE alone (CCI + TE), or both TU and TE (CCI + TU + TE) groups...
March 17, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28319407/investigation-of-procalcitonin-il-6-oxidative-stress-index-osi-plasma-and-tissue-levels-in-experimental-mild-and-severe-pancreatitis-in-rats
#19
M Soyalp, M Yalcin, V Oter, A Ozgonul
AIM: This study was planned to evaluate blood and tissue levels of procalcitonin, IL-6 and Oxidative Stress Index (OSI), which have a role in the pathophysiology of inflammation, in rats with experimental mild and severe pancreatitis. MATERIAL AND METHODS: Thirty male Wistar Albino rats were included in the study and the rats were equally divided into the three groups. After 1, 5 and 24 hours, blood was obtained from the tail of all rats and samples were taken from pancreas tissue after 24 hours...
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/28319281/successful-secukinumab-treatment-of-generalized-pustular-psoriasis-and-erythrodermic-psoriasis
#20
C Mugheddu, L Atzori, A Lappi, M Pau, S Murgia, F Rongioletti
Erythrodermic psoriasis (EP) and generalized pustular psoriasis (GPP) are the most severe forms of psoriasis, resulting in significant morbidity and even mortality (1) . There are few evidence-based data on their treatment (2,3) . Secukinumab, a fully human anti-IL-17A monoclonal antibody, demonstrated strong efficacy in treating moderate to severe plaque-type psoriasis (4,5) . This article is protected by copyright. All rights reserved.
March 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
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