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https://www.readbyqxmd.com/read/28938688/drag-reducing-polymers-decrease-hepatic-injury-and-metastases-after-liver-ischemia-reperfusion
#1
Samer Tohme, Marina V Kameneva, Hamza O Yazdani, Vikas Sud, Julie Goswami, Patricia Loughran, Hai Huang, Richard L Simmons, Allan Tsung
INTRODUCTION: Surgery, a crucial therapeutic modality in the treatment of solid tumors, can induce sterile inflammatory processes which can result in metastatic progression. Liver ischemia and reperfusion (I/R) injury, an inevitable consequence of hepatic resection of metastases, has been shown to foster hepatic capture of circulating cancer cells and accelerate metastatic growth. Efforts to reduce these negative consequences have not been thoroughly investigated. Drag reducing polymers (DRPs) are blood-soluble macromolecules that can, in nanomolar concentrations, increase tissue perfusion, decrease vascular resistance and decrease near-wall microvascular concentration of neutrophils and platelets thereby possibly reducing the inflammatory microenvironment...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938496/icaritin-improves-antibody-induced-thrombocytopenia-in-a-mouse-model-by-regulating-t-cell-polarization
#2
Chenghong Sun, Jian Yang, Mingzhi Wang, Lihong Pan, Jingchun Yao, Shenglan Wang, Na Guo, Chunyan Li, Guimin Zhang
Previous studies have shown that icaritin (ICT) has significant protective effects on immune thrombocytopenia (ITP), and the present study aimed to discuss the mechanism of this protective effect from the aspect of regulating T-cell polarization by an antibody-induced ITP mice model. Mice were given rat anti-mouse CD41 antibody (MWReg30) by intraperitoneal injection for 7 d to produce ITP model. At the same time, ICT was administrated at 10 mg/kg/d orally for 9 d. Peripheral blood platelets were counted by hematology analyzer...
September 22, 2017: Planta Medica
https://www.readbyqxmd.com/read/28938395/aldose-reductase-mediates-nlrp3-inflammasome-initiated-innate-immune-response-in-hyperglycemia-induced-thp1-monocytes-and-male-mice
#3
Pabitra B Pal, Himangshu Sonowal, Kirtikar Shukla, Satish K Srivastava, Kota V Ramana
Despite recent studies that show oxidative stress-generated reactive oxygen species (ROS) regulate NLRP3-inflammasome-mediated innate immune response in various diabetic complications, the mechanism(s) of how ROS activate innate immune response is not well understood. We have shown earlier that aldose reductase (AR), besides reducing glucose, reduces lipid aldehydes and their glutathione conjugates and participates in various oxidative stress-induced inflammatory pathways. To understand the role of AR in ROS-induced innate immune response, we have investigated the mechanism(s) by which AR activates hyperglycemia-induced NLRP3-inflammsome- initiated innate immune response in Thp1 monocytes and in streptozotocin (STZ)-induced diabetic mice...
July 28, 2017: Endocrinology
https://www.readbyqxmd.com/read/28937442/orally-active-epoxyeicosatrienoic-acid-analogs
#4
William B Campbell, John D Imig, James M Schmitz, John R Falck
Biologically active epoxyeicosatrienoic acid (EET) regioisomers are synthesized from arachidonic acid by cytochrome P450 epoxygenases of endothelial, myocardial, and renal tubular cells. EETs relax vascular smooth muscle and decrease inflammatory cell adhesion and cytokine release. Renal EETs promote sodium excretion and vasodilation to decrease hypertension. Cardiac EETs reduce infarct size after ischemia-reperfusion injury and decrease fibrosis and inflammation in heart failure. In diabetes, EETs improve insulin sensitivity, increase glucose tolerance, and reduce the renal injury...
September 19, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28937313/shed-blood-separation-and-cell-saver-an-integral-part-of-miecc-shed-blood-separation-and-its-influence-on-the-perioperative-inflammatory-response-during-coronary-revascularization-with-minimal-invasive-extracorporeal-circulation-systems-a-randomized-controlled
#5
Adrian Bauer, Harald Hausmann, Jan Schaarschmidt, Martin Scharpenberg, Dirk Troitzsch, Peter Johansen, Hans Nygaard, Thomas Eberle, J Michael Hasenkam
OBJECTIVE: The postoperative systemic inflammatory response after cardiopulmonary bypass (CPB) is still an undesirable side-effect after cardiac surgery. It is most likely caused by blood contact with foreign surfaces and by the surgical trauma itself. However, the recirculation of activated shed mediastinal blood is another main cause of blood cell activation and cytokine release. Minimal invasive extracorporeal circulation (MiECC) comprises a completely closed circuit, coated surfaces and the separation of suction blood...
September 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28936850/-protective-effects-of-schizonepeta-volatile-oil-on-endotoxin-poisoning-induced-by-lipopolysaccharide-in-mice
#6
Tao-Qun Wen, Wen-Tao Sang, Feng Xu, Feng Wang, Nan Zeng
In order to study the protective effects of Schizonepeta volatile oil (Sto)on endotoxin poisoning mice, and the relatively content of each chemical osubstance in Schizonepeta volatile oil was measured using GC-MS. The mare C57BL/6J mice were randomly divided into five groups including the normal group, model group, dexamethasone group (5 mg•kg⁻¹), and Sto (0.226 and 0.452 g•kg⁻¹, respectively) groups. The dexamethasone group was given the drugs once time by intraperitoneal injection on the 5th day, while the other mice were given drugs by oral administration once a day for 5 days...
December 2016: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28936196/anti-inflammatory-targets-for-the-treatment-of-reperfusion-injury-in-stroke
#7
REVIEW
Atsushi Mizuma, Midori A Yenari
While the mainstay of acute stroke treatment includes revascularization via recombinant tissue plasminogen activator or mechanical thrombectomy, only a minority of stroke patients are eligible for treatment, as delayed treatment can lead to worsened outcome. This worsened outcome at the experimental level has been attributed to an entity known as reperfusion injury (R/I). R/I is occurred when revascularization is delayed after critical brain and vascular injury has occurred, so that when oxygenated blood is restored, ischemic damage is increased, rather than decreased...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28935694/cellular-kinetics-of-ctl019-in-relapsed-refractory-b-cell-acute-lymphoblastic-leukemia-and-chronic-lymphocytic-leukemia
#8
Karen Thudium Mueller, Shannon L Maude, David L Porter, Noelle Frey, Patricia Wood, Xia Han, Edward Waldron, Abhijit Chakraborty, Rakesh Awasthi, Bruce L Levine, J Joseph Melenhorst, Stephan A Grupp, Carl H June, Simon F Lacey
Tisagenlecleucel (CTL019) is an investigational immunotherapy that involves reprogramming a patient's own T cells with a transgene encoding a chimeric antigen receptor to identify and eliminate CD19-expressing cells. We previously reported that CTL019 achieved impressive clinical efficacy in patients with relapsed/refractory B-cell acute lymphoblastic leukemia (ALL) and chronic lymphocytic leukemia (CLL), including the expansion and persistence of CTL019 cells, which correlates with response to therapy. Here, we performed formal cellular kinetic analyses of CTL019 in a larger cohort of 103 patients treated with CTL019 in 2 different diseases (ALL and CLL)...
September 21, 2017: Blood
https://www.readbyqxmd.com/read/28935613/maternal-exposure-of-balb-c-mice-to-indoor-no2-and-allergic-asthma-syndrome-in-offspring-at-adulthood-with-evaluation-of-dna-methylation-associated-th2-polarization
#9
Huifeng Yue, Wei Yan, Xiaotong Ji, Rui Gao, Juan Ma, Ziyu Rao, Guangke Li, Nan Sang
BACKGROUND: Fetal stress has been proposed to be associated with diseases in both children and adults. Epidemiological studies suggest that maternal exposure to nitrogen dioxide (NO2) contributes to increased morbidity and mortality of offspring with allergic asthma later in life. OBJECTIVES: We aimed to test whether maternal NO2 exposure causes allergic asthma-related consequences in offspring absent any subsequent lung provocation and whether this exposure enhances the likelihood of developing allergic asthma or the intensity of developed allergic airway disease following postnatal allergic sensitization and challenge...
September 13, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28935500/mold-metabolites-drive-rheumatoid-arthritis-in-mice-via-promotion-of-ifn-gamma-and-il-17-producing-t-cells
#10
Susanne Jahreis, Stephanie Kuhn, Anna-Maria Madaj, Mario Bauer, Tobias Polte
Environmental factors have been discussed as triggers for autoimmune diseases like rheumatoid arthritis (RA). However, the role of chemical exposures in activation or exacerbation of RA is not clarified yet. Exposure of DBA/1 mice to the mold metabolites ochratoxin A (OTA) or deoxynivalenol (DON) increased the prevalence and the clinical severity of RA compared to un-exposed mice using an experimental collagen-induced arthritis model. Mycotoxin-exposed mice showed enhanced serum IgG1 and IgG2a levels and an elevated production of IL-1β and IL-6 in inflamed joints and of IFN-γ and IL-17 in splenocytes...
September 18, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28935156/activation-of-il-17-receptor-leads-to-increased-oxidative-inflammation-in-peripheral-monocytes-of-autistic-children
#11
Ahmed Nadeem, Sheikh F Ahmad, Sabry M Attia, Saleh A Bakheet, Naif O Al-Harbi, Laila Y Al-Ayadhi
Millions of children are affected by different neurodevelopmental disorders, out of which autism spectrum disorder (ASD) poses a major hurdle to normal life style due to associated behavioral abnormalities. Several studies have shown an increased expression/release of Th17 related cytokine, IL-17A in ASD. IL-17A may enhance neuroinflammation via its IL-17A receptor, i.e. IL-17RA expressed in immune cells (such as monocytes) of autistic children. Increased oxidative stress has been implicated in a number of neuropsychiatric disorders including ASD...
September 18, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28934787/complex-regional-pain-syndrome-type-i-a-debilitating-and-poorly-understood-syndrome-possible-role-for-pulsed-electromagnetic-fields-a-narrative-review
#12
Stefania Pagani, Francesca Veronesi, Nicolo Nicoli Aldini, Milena Fini
BACKGROUND: Complex regional pain syndrome type I (CRPS-I), also called algodystrophy, is a complex syndrome characterized by limb pain, edema, allodynia, hyperalgesia and functional impairment of bone with a similar clinical picture of osteoporosis, including an increased release of various pro-inflammatory neuropeptides and cytokines. Several treatments have been proposed for CRPS-I, but due to the poor outcome of conventional drugs and the invasiveness of some techniques, expectations are now directed towards new resources that could be more effective and less invasive...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28934231/principal-component-analysis-identifies-patterns-of-cytokine-expression-in-non-small-cell-lung-cancer-patients-undergoing-definitive-radiation-therapy
#13
Susannah G Ellsworth, Bryan M Rabatic, Jie Chen, Jing Zhao, Jeffrey Campbell, Weili Wang, Wenhu Pi, Paul Stanton, Martha Matuszak, Shruti Jolly, Amy Miller, Feng-Ming Kong
BACKGROUND/PURPOSE: Radiation treatment (RT) stimulates the release of many immunohumoral factors, complicating the identification of clinically significant cytokine expression patterns. This study used principal component analysis (PCA) to analyze cytokines in non-small cell lung cancer (NSCLC) patients undergoing RT and explore differences in changes after hypofractionated stereotactic body radiation therapy (SBRT) and conventionally fractionated RT (CFRT) without or with chemotherapy...
2017: PloS One
https://www.readbyqxmd.com/read/28932632/local-endothelial-complement-activation-reverses-endothelial-quiescence-enabling-t-cell-homing-and-tumor-control-during-t-cell-immunotherapy
#14
Andrea Facciabene, Francesco De Sanctis, Stefano Pierini, Edimara S Reis, Klara Balint, John Facciponte, Jens Rueter, Masahiro Kagabu, Paola Magotti, Evripidis Lanitis, Robert A DeAngelis, Ronald J Buckanovich, Wenchao C Song, John D Lambris, George Coukos
Cancer immunotherapy relies upon the ability of T cells to infiltrate tumors. The endothelium constitutes a barrier between the tumor and effector T cells, and the ability to manipulate local vascular permeability could be translated into effective immunotherapy. Here, we show that in the context of adoptive T cell therapy, antitumor T cells, delivered at high enough doses, can overcome the endothelial barrier and infiltrate tumors, a process that requires local production of C3, complement activation on tumor endothelium and release of C5a...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28932225/expression-and-function-of-the-cholinergic-system-in-immune-cells
#15
REVIEW
Takeshi Fujii, Masato Mashimo, Yasuhiro Moriwaki, Hidemi Misawa, Shiro Ono, Kazuhide Horiguchi, Koichiro Kawashima
T and B cells express most cholinergic system components-e.g., acetylcholine (ACh), choline acetyltransferase (ChAT), acetylcholinesterase, and both muscarinic and nicotinic ACh receptors (mAChRs and nAChRs, respectively). Using ChAT(BAC)-eGFP transgenic mice, ChAT expression has been confirmed in T and B cells, dendritic cells, and macrophages. Moreover, T cell activation via T-cell receptor/CD3-mediated pathways upregulates ChAT mRNA expression and ACh synthesis, suggesting that this lymphocytic cholinergic system contributes to the regulation of immune function...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28932196/-epigallocatechin-3-gallate-reduces-cigarette-smoke-induced-airway-neutrophilic-inflammation-and-mucin-hypersecretion-in-rats
#16
Yingmin Liang, Kenneth W K Liu, Sze C Yeung, Xiang Li, Mary S M Ip, Judith C W Mak
Background: Cigarette smoking is the leading cause of chronic obstructive pulmonary disease. (-)-Epigallocatechin-3-gallate (EGCG), the major catechins in Chinese green tea, has been studied for its anti-oxidative and anti-inflammatory properties in cell and animal models. In this study, we aimed to analyze the effects of EGCG on cigarette smoke (CS)-induced airway inflammation and mucus secretion in the CS-exposed rat model. Methods: Male Sprague-Dawley rats were randomly divided into either sham air (SA) or CS exposure...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28932183/plant-polyphenols-and-exendin-4-prevent-hyperactivity-and-tnf-%C3%AE-release-in-lps-treated-in-vitro-neuron-astrocyte-microglial-networks
#17
Francesca Gullo, Michela Ceriani, Alessia D'Aloia, Enzo Wanke, Andrew Constanti, Barbara Costa, Marzia Lecchi
Increasing evidence supports a decisive role for neuroinflammation in the neurodegenerative process of several central nervous system (CNS) disorders. Microglia are essential mediators of neuroinflammation and can regulate a broad spectrum of cellular responses by releasing reactive oxygen intermediates, nitric oxide, proteases, excitatory amino acids, and cytokines. We have recently shown that also in ex-vivo cortical networks of neurons, astrocytes and microglia, an increased level of tumor necrosis factor-alpha (TNF-α) was detected a few hours after exposure to the bacterial endotoxin lipopolysaccharide (LPS)...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28932118/fabrication-optimization-and-characterization-of-umbelliferone-%C3%AE-d-galactopyranoside-loaded-plga-nanoparticles-in-treatment-of-hepatocellular-carcinoma-in-vitro-and-in-vivo-studies
#18
Vikas Kumar, Prakash Chandra Bhatt, Mahfoozur Rahman, Gaurav Kaithwas, Hani Choudhry, Fahad A Al-Abbasi, Firoz Anwar, Amita Verma
Umbelliferone β-D-galactopyranoside (UFG), isolated from plants, exhibits promising inhibitory action on numerous diseases. The present research was initiated to develop a suitable delivery system for UFG with an intention to enhance its therapeutic efficacy against diethyl nitrosamine (DEN)-induced hepatocellular carcinoma (HCC) in Wistar rats. UFG-loaded polymeric nanoparticles prepared by sonication were scrutinized for average size, drug loading capacity, zeta potential, and drug release potency in animals...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28931981/immunomodulatory-effects-of-two-different-physical-therapy-modalities-in-patients-with-chronic-obstructive-pulmonary-disease
#19
Sherin Hassan M Mehani
[Purpose] Counteracting the systemic cytokine release and its inflammatory effects by improving respiratory muscle strength and controlling lung inflammation may be important for improving immune system in patients with chronic obstructive pulmonary disease, So the aim of the present study was to evaluate the effect of low level laser therapy and inspiratory muscle training on interleukin-6 (IL-6) as a marker of inflammation and CD4+/CD8+ ratio as a marker for T Lymphocytes in these patients. [Subjects and Methods] Forty male patients with stable COPD participated in the study, their ages ranged between 55-65 years...
September 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28930996/assessment-of-the-anticoagulant-and-anti-inflammatory-properties-of-endothelial-cells-using-3d-cell-culture-and-non-anticoagulated-whole-blood
#20
Riccardo Sfriso, Anjan Bongoni, Yara Banz, Nikolai Klymiuk, Eckhard Wolf, Robert Rieben
In vivo, endothelial cells are crucial for the natural anticoagulation of circulating blood. Consequently, endothelial cell activation leads to blood coagulation. This phenomenon is observed in many clinical situations, like organ transplantation in the presence of pre-formed anti-donor antibodies, including xenotransplantation, as well as in ischemia/reperfusion injury. In order to reduce animal experimentation according to the 3R standards (reduction, replacement and refinement), in vitro models to study the effect of endothelial cell activation on blood coagulation would be highly desirable...
September 5, 2017: Journal of Visualized Experiments: JoVE
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