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https://www.readbyqxmd.com/read/28528454/new-insights-into-pericarditis-mechanisms-of-injury-and-therapeutic-targets
#1
REVIEW
Bo Xu, Serge C Harb, Paul C Cremer
PURPOSE OF REVIEW: This review article aims to provide a contemporary insight into the pathophysiological mechanisms of and therapeutic targets for pericarditis, drawing distinction between autoinflammatory and autoimmune pericarditis. RECENT FINDINGS: Recent research has focused on the distinction between autoinflammatory and autoimmune pericarditis. In autoinflammatory pericarditis, viruses can activate the sensor molecule of the inflammasome, which results in downstream release of cytokines, such as interleukin-1, that recruit neutrophils and macrophages to the site of injury...
July 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28514768/driving-better-and-safer-her2-specific-cars-for-cancer-therapy
#2
REVIEW
Xianqiang Liu, Nan Zhang, Huan Shi
Given the clinical efficacy of chimeric antigen receptor (CAR)-based therapy in hematological malignancies, CAR T-cell therapy for a number of solid tumors has been actively investigated. Human epidermal growth factor receptor 2 (HER2) is a well-established therapeutic target in breast, as well as other types of cancer. However, HER2 CAR T cells pose a risk of lethal toxicity including cytokine release syndrome from "on-target, off-tumor" recognition of HER2. In this review, we summarize the development of conventional HER2 CAR technology, the alternative selection of CAR hosts, the novel HER2 CAR designs, clinical studies and toxicity...
April 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28506444/monocyte-lineage-derived-il-6-does-not-affect-chimeric-antigen-receptor-t-cell-function
#3
Nathan Singh, Ted J Hofmann, Zachary Gershenson, Bruce L Levine, Stephan A Grupp, David T Teachey, David M Barrett
BACKGROUND AIMS: Chimeric antigen receptor (CAR) T-cell therapy targeting CD19 has demonstrated remarkable success in targeting B-cell malignancies but is often complicated by serious systemic toxicity in the form of cytokine release syndrome (CRS). CRS symptoms are primarily mediated by interleukin 6 (IL-6), and clinical management has focused on inhibition of IL-6 signaling. The cellular source and function of IL-6 in CRS remain unknown. METHODS: Using co-culture assays and data from patients on our clinical CAR T-cell trials, we investigated the cellular source of IL-6, as well as other CRS-associated cytokines, during CAR T-cell activation...
May 11, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28496445/eosinophils-in-autoimmune-diseases
#4
REVIEW
Nicola L Diny, Noel R Rose, Daniela Čiháková
Eosinophils are multifunctional granulocytes that contribute to initiation and modulation of inflammation. Their role in asthma and parasitic infections has long been recognized. Growing evidence now reveals a role for eosinophils in autoimmune diseases. In this review, we summarize the function of eosinophils in inflammatory bowel diseases, neuromyelitis optica, bullous pemphigoid, autoimmune myocarditis, primary biliary cirrhosis, eosinophilic granulomatosis with polyangiitis, and other autoimmune diseases...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28489647/obesity-bariatric-surgery-and-crohn-s-disease
#5
Burton I Korelitz, Niket Sonpal, Judy Schneider, Arun Swaminath, Joseph Felder, Mitchell Roslin, Jeffrey Aronoff
BACKGROUND: Crohn's disease (CD) following bariatric surgery has been previously described. It is not clear whether the clinical entity is due to rapid metabolism of fat, change in the bacterial milieu of the bowel, the loss of defense mechanisms of the stomach, or even a coincidence. OBJECTIVES: To present observations which might serve to sort out these various etiologies. DESIGN: We present 5 cases of colitis, ileocolitis or enteritis, some with fistula formation, with clinical onset following bariatric surgery and add these to the 7 cases previously identified as CD reported elsewhere...
May 9, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28486191/nlrp4-is-an-essential-negative-regulator-of-fructose-induced-cardiac-injury-in-vitro-and-in-vivo
#6
Yong-Gang Lian, Hai-Ying Zhao, Sheng-Ji Wang, Qin-Liang Xu, Xiang-Jun Xia
High fructose consumption leads to metabolic syndrome and enhances cardiovascular disease risk. However, our knowledge of the molecular mechanism underlying the cardiac disease caused by fructose feeding is still poor. Nod-like receptors (NLRs) are intracellular sensors, responding to a variety of intracellular danger signals to induce injuries. NLRP4 is a negative regulator of nuclear factor-κB (NF-κB) signaling pathway through interactions with kinase IκB kinase (IKK). Here, we illustrated that NLRP4 attenuates pro-inflammatory cytokines releasing, including Transforming growth factor (TGF-β1), Tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-18 (IL-18) and interleukin-6 (IL-6), in fructose-treated cardiac cells by means of RT-qPCR, and western blotting analysis...
May 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28483562/the-role-of-inkt-cells-on-the-phenotypes-of-allergic-airways-in-a-mouse-model
#7
Lennart K A Lundblad, Nazey Gülec, Matthew E Poynter, Victoria L DeVault, Oliver Dienz, Jonathan E Boyson, Nirav Daphtary, Minara Aliyeva, Jennifer L Ather, Felix Scheuplein, Robert Schaub
iNKT cells and mast cells have both been implicated in the syndrome of allergic asthma through their activation-induced release of Th2 type cytokines and secretion of histamine and other mediators, respectively, which can promote airways hyperresponsiveness (AHR) to agents such as methacholine. However, a mechanistic link between iNKT cells and mast cell recruitment or activation has never been explored. Our objective was to determine whether iNKT cells are necessary for the recruitment of mast cells and if iNKT cells can influence the acute allergen induced bronchoconstriction (AIB) caused by mast cell mediator release...
May 5, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28479245/ros-feedback-regulates-the-microrna-19-targeted-inhibition-of-the-p47phox-mediated-lps-induced-inflammatory-response
#8
Tian Wang, Ya-Ping Liu, Ting Wang, Bang-Qiang Xu, Bo Xu
In acute lung injury/acute respiratory distress syndrome (ALI/ARDS), pathogenesis is associated with the regulation of macrophage-generated oxidative stress, and nicotinamide adenine dinucleotide phosphate (NADPH) oxidase (NOX)-derived reactive oxygen species(ROS) are key to regulating oxidative stress. In the present study, we found that miR-19 inhibited the expression of p47phox in macrophages, resulting in the alleviation of the lipopolysaccharides(LPS)-induced inflammatory response. In a mouse LPS-induced model of lung injury, miR-19-deficient murine lung tissue was more susceptible to inflammatory responses and exhibited a higher infiltration rate, a higher number of inflammatory cells in the lungs, a higher level of inflammatory cytokines in the Bronchoalveolar lavage fluid (BALF), and more severe pathological damage in lung tissues...
May 4, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28454496/canakinumab-for-the-treatment-of-tnf-receptor-associated-periodic-syndrome
#9
F La Torre, M C Caparello, R Cimaz
TNF-receptor-associated periodic syndrome is an autoinflammatory disorder caused by mutations in TNF receptor superfamily 1A gene. The molecular pathogenesis of TRAPS remains unclear; it is known that a key role is played by mutations in TNFRSF1A that induce the hypersecretion of pro-inflammatory cytokines as well as IL-1β, resulting in uncontrolled inflammatory reactions. Furthermore, TNFRSF1A gene mutations result in intracellular stress ultimately leading to increased production of interleukin-1β, but the exact mechanism referred to in the connection between TNFRSF1A mutation and increased release of IL-1β, is still under study...
June 2017: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/28450905/protective-effects-of-silymarin-against-bisphenol-a-induced-hepatotoxicity-in-mouse-liver
#10
Mihaela Zaulet, Steliana Elvira Maria Kevorkian, Sorina Dinescu, Coralia Cotoraci, Maria Suciu, Hildegard Herman, Laura Buburuzan, Liliana Badulescu, Aurel Ardelean, Anca Hermenean
Bisphenol A (BPA) is an endocrine-disrupting chemical released into the environment, with severe consequences for human health, including metabolic syndrome and associated pathological conditions. Due to limited information on BPA-induced hepatotoxicity, the present study focused on investigating the association between BPA-induced toxicity and inflammatory markers in the liver, and how these injuries may be alleviated using the natural agent silymarin, a flavonoid with antioxidant properties obtained from Silybum marianum...
March 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28442532/anti-inflammatory-effects-of-simvastatin-during-the-resolution-phase-of-experimentally-formed-venous-thrombi
#11
Yaping Feng, Bo Lei, Fuxian Zhang, Luyuan Niu, Huan Zhang, Mingyi Zhang
Deep venous thrombosis (DVT) is a common vascular disease and is closely linked to inflammation. Over the past decade, the potential antithrombotic effect of statins has been elucidated by clinical studies, primarily through focusing on DVT prevention. The effects of statins on DVT resolution and its underlying mechanisms have been rarely addressed. We established a rabbit model of the inferior vena cava (IVC) venous thrombosis. After 48 hours, the rabbits were treated with saline, heparin, simvastatin, or simvastatin combined with heparin, respectively, for 14 days...
April 25, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/28442135/-anesthetic-management-of-late-pressure-angioedema
#12
Inês Furtado, Filipe Linda, Sílvia Pica, Marco Monteiro
BACKGROUND AND OBJECTIVES: Late pressure angioedema is a rare form of angioedema in which light pressure stimulus can lead to edema after 1-12h. This uncommon and unreported entity is especially important in patients who undergo general anesthesia, for whom the usual harmless supine position, intravenous catheter insertion, standard monitoring, airway management and ventilation can lead to life threatening consequences as the trigger is a physical stimulus. CASE REPORT: In this report, we describe a successful perioperative anesthetic management of a 30 year old patient, proposed for intra-ocular lens insertion, with a severe form of the disease with peri-oral, tongue and limb edema presentation...
April 22, 2017: Revista Brasileira de Anestesiologia
https://www.readbyqxmd.com/read/28441885/lactobacillus-plantarum-l9-but-not-lactobacillus-acidophilus-la-reduces-tumour-necrosis-factor-induced-bacterial-translocation-in-caco-2-cells
#13
B Wang, J Chen, S Wang, X Zhao, G Lu, X Tang
Translocation of bacteria across the intestinal barrier is important in the pathogenesis of systemic sepsis and multiple organ dysfunction syndromes. Inflammatory cytokines increase paracellular permeability that allows increased luminal bacteria to translocate across mucosal epithelium and further deteriorate the gut barrier. In order to reduce this risk, the prophylactic use of probiotics has been recently addressed. In this paper, we investigate the protective role toward tumour necrosis factor (TNF)-α induced non-pathogenic Escherichia coli translocation across Caco-2 monolayers of Lactobacillus strains...
April 26, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28439270/cytokine-regulation-of-na-k-cl-cotransporter-1-and-cystic-fibrosis-transmembrane-conductance-regulator-potential-role-in-pulmonary-inflammation-and-edema-formation
#14
REVIEW
Sarah Weidenfeld, Wolfgang M Kuebler
Pulmonary edema, a major complication of lung injury and inflammation, is defined as accumulation of extravascular fluid in the lungs leading to impaired diffusion of respiratory gases. Lung fluid balance across the alveolar epithelial barrier protects the distal airspace from excess fluid accumulation and is mainly regulated by active sodium transport and Cl(-) absorption. Increased hydrostatic pressure as seen in cardiogenic edema or increased vascular permeability as present in inflammatory lung diseases such as the acute respiratory distress syndrome (ARDS) causes a reversal of transepithelial fluid transport resulting in the formation of pulmonary edema...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28433836/recent-advances-in-diagnostic-and-therapeutic-guidelines-for-primary-and-secondary-hemophagocytic-lymphohistiocytosis
#15
REVIEW
Smita Ramachandran, Fauzia Zaidi, Archana Aggarwal, Rani Gera
BACKGROUND: Hemophagocytic lymphohistiocytosis (HLH) is a hyperinflammatory syndrome characterized by excessive activation of macrophages and T cells resulting from defective cytotoxicity. It is potentially life threatening due to the large amounts of cytokines released by the activated macrophages and lymphocytes secondary to a hyperinflammatory response. It has a high fatality in children with an incidence of approximately 1.2cases/million per year. METHOD: The literature was extensively searched in PubMed, MEDLINE and Google scholar...
November 3, 2016: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28429673/hydroxytyrosol-attenuates-lps-induced-acute-lung-injury-in-mice-by-regulating-autophagy-and-sirtuin-expression
#16
X Yang, T Jing, Y Li, Y He, B Wang, W Zhang, Y Xiao, W Wang, J Zhang, J Wei, R Lin
BACKGROUND: Recently, the effects of hydroxytyrosol on autophagy during acute lung injury (ALI) have drawn increasing attention. OBJECTIVE: We explored the underlying molecular mechanisms by which hydroxytyrosol exerts its anti-inflammatory effects in a murine model of ALI by up-regulating autophagy. METHODS: Male BALB/c mice, challenged with intranasal instillations of LPS, were treated with or without hydroxytyrosol (HT, 100 mg/kg, intragastrically) 1 h prior to LPS exposure...
April 21, 2017: Current Molecular Medicine
https://www.readbyqxmd.com/read/28416934/sepsis-and-septic-shock-current-treatment-strategies-and-new-approaches
#17
REVIEW
Gizem Polat, Rustem Anil Ugan, Elif Cadirci, Zekai Halici
Sepsis is a complex condition characterized by the simultaneous activation of inflammation and coagulation in response to microbial insult. These events manifest as systemic inflammatory response syndrome or sepsis symptoms through the release of proinflammatory cytokines, procoagulants, and adhesion molecules from immune cells and/or damaged endothelium. Today, sepsis is a severe multisystem disease with difficult treatments for its manifestations and high mortality rates. In the last two decades in particular, many studies have been conducted on sepsis that cause shock, multiorgan dysfunction, and organ failure by especially leading to hemodynamic changes...
February 2017: Eurasian Journal of Medicine
https://www.readbyqxmd.com/read/28414075/vitamin-b2-deficiency-enhances-the-pro-inflammatory-activity-of-adipocyte-consequences-for-insulin-resistance-and-metabolic-syndrome-development
#18
Agnieszka Irena Mazur-Bialy, Ewa Pocheć
AIMS: Adipose tissue is an endocrine organ important for regulation of such physiological processes as energy metabolism or lipids homeostasis. In an obesity state, it participates in the induction of chronic systemic inflammation accompanied by pro-inflammatory cytokines and fatty acid elevation. For this reasons, adipose tissue is involved in, e.g., insulin resistance, type 2 diabetes or hyperlipidemia development. In our previous study, we have shown that riboflavin deficiency induces a pathological pro-inflammatory response of macrophages, the main component of adipose tissue...
June 1, 2017: Life Sciences
https://www.readbyqxmd.com/read/28413717/advances-of-cd19-directed-chimeric-antigen-receptor-modified-t-cells-in-refractory-relapsed-acute-lymphoblastic-leukemia
#19
REVIEW
Guoqing Wei, Lijuan Ding, Jiasheng Wang, Yongxian Hu, He Huang
Refractory/relapsed B-cell acute lymphoblastic leukemia remains to be a significant cause of cancer-associated morbidity and mortality for children and adults. Developing novel and effective molecular-targeted approaches is thus a major priority. Chimeric antigen receptor-modified T cell (CAR-T) therapy, as one of the most promising targeted immunotherapies, has drawn extensive attention and resulted in multiple applications. According to published studies, CD19-directed CAR-T cells (CD19 CAR-T) can reach a complete remission rate of 94% in both children and adults with refractory/relapsed ALL, much higher than that of chemotherapy...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/28409320/vitamin-d-sub-inflammation-and-insulin-resistance-a-window-on-a-potential-role-for-the-interaction-between-bone-and-glucose-metabolism
#20
REVIEW
Stefania Giuliana Garbossa, Franco Folli
Vitamin D is a key hormone involved in the regulation of calcium/phosphorous balance and recently it has been implicated in the pathogenesis of sub-inflammation, insulin resistance and obesity. The two main forms of vitamin D are cholecalciferol (Vitamin D3) and ergocalciferol (Vitamin D2): the active form (1,25-dihydroxyvitamin D) is the result of two hydroxylations that take place in liver, kidney, pancreas and immune cells. Vitamin D increases the production of some anti-inflammatory cytokines and reduces the release of some pro-inflammatory cytokines...
April 13, 2017: Reviews in Endocrine & Metabolic Disorders
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