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https://www.readbyqxmd.com/read/28432436/chemokine-involvement-in-lung-injury-secondary-to-ischaemia-reperfusion
#1
Lisa Rancan, Sergio D Paredes, Luis Huerta, Javier Casanova, Jorge Guzmán, Ignacio Garutti, Federico González-Aragoneses, Carlos Simón, Elena Vara
INTRODUCTION: During transplant surgeries, the lung experiences an ischaemia-reperfusion (I/R)-induced damage identified as a significant cause of morbidity and mortality. However, the mechanisms by which I/R induces leucocyte accumulation and subsequent tissue damage in lung surgeries remain unknown. Therefore, the present study aims to assess the role of monocyte chemotactic protein 1 (MCP-1) and macrophage inflammatory protein 2 (MIP-2) in leucocyte chemotaxis related to lung injury secondary to I/R...
April 21, 2017: Lung
https://www.readbyqxmd.com/read/28431986/ninj2-a-novel-regulator-of-endothelial-inflammation-and-activation
#2
Jingjing Wang, Jingjing Fa, Pengyun Wang, Xinzhen Jia, Huixin Peng, Jing Chen, Yifan Wang, Chenhui Wang, Qiuyun Chen, Xin Tu, Qing K Wang, Chengqi Xu
Previous genetic studies suggested that variants in NINJ2 (encode ninjurin2) confer risk to ischemic stroke or large artery atherosclerotic stroke. However, the underlying mechanisms of NINJ2 in ischemic stroke or atherosclerosis are still unknown. In this study, we hypothesized that NINJ2 may play a role in endothelial inflammation and activation, and regulate the process of atherosclerosis. Here, we demonstrated that NINJ2 can regulate the expression of a panel of genes that are associated with inflammation and atherosclerosis (e...
April 18, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28429235/regulation-of-human-brain-microvascular-endothelial-cell-adhesion-and-barrier-functions-by-memantine
#3
Fei Wang, Zhirong Zou, Yi Gong, Dong Yuan, Xun Chen, Tao Sun
Vascular risk factors have been linked to cognitive decline and dementia in the elderly. Microvascular inflammation, especially of the endothelium, may contribute to the progression of neurodegenerative events in Alzheimer's disease (AD). Memantine, an uncompetitive N-methyl-D-aspartate (NMDA) receptor antagonist, is a licensed drug used for the treatment of moderate to severe AD. However, little information is available regarding its anti-inflammatory effects on the endothelium. In this study, we investigated the effects of memantine on human brain microvascular endothelial dysfunction induced by the pro-inflammatory cytokine tumor necrosis factor-α (TNF-α)...
April 20, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28428785/interferon-gamma-induces-changes-in-natural-killer-nk-cell-ligand-expression-and-alters-nk-cell-mediated-lysis-of-pediatric-cancer-cell-lines
#4
Arianexys Aquino-López, Vladimir V Senyukov, Zlatko Vlasic, Eugenie S Kleinerman, Dean A Lee
Natural killer (NK) cells have therapeutic potential for cancer due to their capacity for targeting tumor cells without prior sensitization. Our laboratory has developed an NK cell expansion protocol that generates large quantities of NK cells for therapeutic infusion that secret 20 times the amount of interferon gamma (IFNγ) than resting NK cells. IFNγ can upregulate major histocompatibility complex (MHC)-class I, an inhibitory ligand for NK cells, but can also upregulate intercellular adhesion molecule 1 (ICAM-1) which promotes NK:target cell interaction for an efficient lysis...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28427048/1-25-dihydroxyvitamin-d3-attenuates-the-effects-of-lipopolysaccharide-by-causing-adam10-dependent-ectodomain-shedding-of-toll-like-receptor-4
#5
Won Seok Yang, Jin Ju Kim, Nam Jeong Han, Eun Kyoung Lee, Su-Kil Park
BACKGROUND/AIMS: We investigated how 1,25-dihydroxyvitamin D3 (1,25D3) inhibits the effects of lipopolysaccharide (LPS) in human aortic endothelial cells. METHODS: Cellular signaling was explored by determination of protein abundance with Western blot, measurement of cytosolic Ca2+ concentration and immunofluorescence staining for a disintegrin and metalloprotease 10 (ADAM10). RESULTS: LPS stimulated the expression of intercellular adhesion molecule 1 (ICAM-1) through toll-like receptor 4 (TLR4) and subsequent activation of p38 mitogen-activated protein kinase (p38 MAPK)...
April 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28424824/resistin-and-ngal-are-associated-with-inflammatory-response-endothelial-activation-and-clinical-outcomes-in-sepsis
#6
Stephen P J Macdonald, Erika Bosio, Claire Neil, Glenn Arendts, Sally Burrows, Lisa Smart, Simon G A Brown, Daniel M Fatovich
OBJECTIVE AND DESIGN: Resistin and neutrophil gelatinase-associated lipocalin (NGAL) are upregulated in circulating leucocytes in sepsis, but the significance of this is uncertain. We evaluated associations between Resistin and NGAL with endothelial cell activation and clinical outcomes in a prospective observational study in the Emergency Department (ED). METHODS: Serum levels of Resistin, NGAL, inflammatory cytokines (IL-6, IL-10) and soluble endothelial adhesion molecules (VCAM-1, ICAM-1) were measured at defined time points up to 24 h...
April 19, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/28421659/the-anti-inflammatory-effects-of-morin-hydrate-in-atherosclerosis-is-associated-with-autophagy-induction-through-camp-signaling
#7
Yue Zhou, Zhan-Qi Cao, Hong-Yuan Wang, Yan-Na Cheng, Lu-Gang Yu, Xin-Ke Zhang, Yan Sun, Xiu-Li Guo
SCOPE: Although the previous trials of inflammation have indicated that morin hydrate (MO) hold considerable promise, understanding the distinct mechanism of MO against inflammation remains a challenge. METHODS AND RESULTS: This study investigated the effect of MO in atherosclerosis in ApoE(-/-) mice and underlying cell signaling of MO effect in inflammation in human umbilical vein endothelial cells (HUVECs). Administration of MO significantly reduced serum lipid level, inflammatory cytokines (TNF-α and ICAM-1) and atherosclerotic plaque formation in vivo...
April 18, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28420111/plantago-asiatica-l-ameliorates-puromycin-aminonucleoside-induced-nephrotic-syndrome-by-suppressing-inflammation-and-apoptosis
#8
Min Chul Kho, Ji Hun Park, Byung Hyuk Han, Rui Tan, Jung Joo Yoon, Hye Yoom Kim, You Mee Ahn, Yun Jung Lee, Dae Gill Kang, Ho Sub Lee
OBJECTIVE: Nephrotic syndrome, a kidney disease with a variety of causes, is mainly characterized by heavy proteinuria, hypoproteinemia, and ascites. This study was designed to evaluate the underlying mechanism of action of Plantago asiatica L. (PAL) in treating nephrotic syndrome induced by puromycin aminonucleoside. METHODS: PAL has been used in Asia as a traditional medicine and dietary health supplement. Sprague-Dawley (SD) rats were intravenously injected with puromycin aminonucleoside (75 mg/kg/day), then treated with either Losartan (30 mg/kg/day) or PAL (200 mg/kg/day) by oral gavage for seven days...
April 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28419128/cytoskeletal-stability-and-metabolic-alterations-in-primary-human-macrophages-in-long-term-microgravity
#9
Svantje Tauber, Beatrice A Lauber, Katrin Paulsen, Liliana E Layer, Martin Lehmann, Swantje Hauschild, Naomi R Shepherd, Jennifer Polzer, Jürgen Segerer, Cora S Thiel, Oliver Ullrich
The immune system is one of the most affected systems of the human body during space flight. The cells of the immune system are exceptionally sensitive to microgravity. Thus, serious concerns arise, whether space flight associated weakening of the immune system ultimately precludes the expansion of human presence beyond the Earth's orbit. For human space flight, it is an urgent need to understand the cellular and molecular mechanisms by which altered gravity influences and changes the functions of immune cells...
2017: PloS One
https://www.readbyqxmd.com/read/28417928/potential-coagulation-factor-driven-pro-inflammatory-responses-in-ovarian-cancer-tissues-associated-with-insufficient-o%C3%A2-and-plasma-supply
#10
REVIEW
Shiro Koizume, Yohei Miyagi
Tissue factor (TF) is a cell surface receptor for coagulation factor VII (fVII). The TF-activated fVII (fVIIa) complex is an essential initiator of the extrinsic blood coagulation process. Interactions between cancer cells and immune cells via coagulation factors and adhesion molecules can promote progression of cancer, including epithelial ovarian cancer (EOC). This process is not necessarily advantageous, as tumor tissues generally undergo hypoxia due to aberrant vasculature, followed by reduced access to plasma components such as coagulation factors...
April 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28417590/calcitonin-gene-related-peptide-cgrp-a-novel-target-for-alzheimer-s-disease
#11
REVIEW
Yogendra Singh, Gaurav Gupta, Birendra Shrivastava, Rajiv Dahiya, Juhi Tiwari, Madhu Ashwathanarayana, Rakesh Kumar Sharma, Mohit Agrawal, Anurag Mishra, Kamal Dua
Alzheimer's disease (AD) is leading cause of death among older characterized by neurofibrillary tangles, oxidative stress, progressive neuronal deficits, and increased levels of amyloid-β (Aβ) peptides. Cholinergic treatment could be the best suitable physiological therapy for AD. Calcitonin gene-related peptide (CGRP) is a thirty-seven-amino acid regulatory neuropeptide resulting from different merging of the CGRP gene, which also includes adrenomedullin, amylin, calcitonin, intermedin, and calcitonin receptor-stimulating peptide...
April 17, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28415917/exercise-rehabilitation-immediately-following-ischemic-stroke-exacerbates-inflammatory-injury
#12
Fengwu Li, John T Pendy, Jessie N Ding, Changya Peng, Xiaorong Li, Jiamei Shen, Sainan Wang, Xiaokun Geng
OBJECTIVES: The rehabilitative benefits of physical exercise after stroke appear to be contingent upon exercise initiation timing. The present study assessed the hypothesis that very early post-stroke exercise would amplify cellular stress and increases expression of pro-inflammatory mediators, while exercise initiated later would limit the inflammation associated with cerebral ischemia/reperfusion injury. METHODS: Adult rats were subjected to middle cerebral artery occlusion and subsequently assigned to one of seven groups: one sham injury control group, three stroke groups subjected to exercise initiated after 6, 24 hours, or 3 days of reperfusion, and three stroke groups not subjected to exercise...
April 17, 2017: Neurological Research
https://www.readbyqxmd.com/read/28415764/inhibitor-of-tec-kinase-lfm-a13-decreases-pro-inflammatory-mediators-production-in-lps-stimulated-raw264-7-macrophages-via-nf-%C3%AE%C2%BAb-pathway
#13
Fei Wang, Wei Zhang, Chao Wang, Xu Fang, Hao Cheng, Sheng Liu, Xu-Lin Chen
Tec kinase, a prototypical member of the Tec tyrosine kinases family, was shown to mainly govern lymphocyte proliferation. In the present study, we investigated the role of Tec kinase in acute inflammatory response in lipopolysaccharide (LPS) challenge. First, we demonstrate that Tec kinase activity was observed in RAW264.7 macrophages exposed to LPS. Tec and phosphorylated Tec expression were upregulated in a dose- and time-dependent manner after LPS stimulation. LPS increased monocyte chemotactic protein (MCP)-1 secretion and intercellular adhesion molecule (ICAM)-1 expression, and increasing mRNA expression was consistently observed...
March 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28413519/amp-activated-protein-kinase-mediates-the-effects-of-lipoprotein-associated-phospholipase-a2-on-endothelial-dysfunction-in-atherosclerosis
#14
Li Yang, Hong-Liang Cong, Shu-Feng Wang, Ting Liu
The present study aimed to investigate the effects of lipoprotein-associated phospholipase A2 (Lp-PLA2) on endothelial dysfunction in an in vitro cell model of atherosclerosis, and to determine whether AMP-activated protein kinase (AMPK) mediates the effects of Lp-PLA2 on endothelial dysfunction. A total of 392 patients with coronary artery disease (CAD), including various sub-conditions, were recruited, and the plasma concentrations of Lp-PLA2 were evaluated. In addition, an in vitro model of atherosclerosis was established by exposing human umbilical vein endothelial cells (HUVECs) to oxidized low-density lipoprotein (oxLDL)...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28413469/repairing-effects-of-icam-1-expressing-mesenchymal-stem-cells-in-mice-with-autoimmune-thyroiditis
#15
Shifeng Ma, Xiuhui Chen, Lihui Wang, Ying Wei, Yongqing Ni, Yanan Chu, Yuanlin Liu, Heng Zhu, Rongxiu Zheng, Yi Zhang
The aim of the present study was to determine the repairing effects of intercellular adhesion molecule (ICAM)-1-expressing mesenchymal stem cells (MSCs) in mice with autoimmune thyroiditis. Following induction of an experimental autoimmune thyroiditis (EAT) model, mice were randomly divided into the following groups (n=10 each): i) Normal control; and experimental groups that were subject to EAT induction, including ii) EAT model; and iii) primary MSC; iv) C3H10T1/2/MSC; v) C3H10T1/2-MIGR1/MSC; and vi) C3H10T1/2-MIGR1-ICAM-1/MSC, which were all administered the relevant cells...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28410617/treatment-with-high-dose-n-3-pufas-has-no-effect-on-platelet-function-coagulation-metabolic-status-or-inflammation-in-patients-with-atherosclerosis-and-type-2-diabetes
#16
Malgorzata Poreba, Magdalena Mostowik, Aleksander Siniarski, Renata Golebiowska-Wiatrak, Krzysztof Piotr Malinowski, Maciej Haberka, Ewa Konduracka, Jadwiga Nessler, Anetta Undas, Grzegorz Gajos
BACKGROUND: Despite numerous studies on cardioprotective effects of omega-3 polyunsaturated fatty acids (n-3 PUFAs), there is limited evidence for n-3 PUFA-mediated effects, especially at its higher dose, on cardiovascular risk in patients with type 2 diabetes (DM2) and established atherosclerosis. PURPOSE: To investigate the effect of daily treatment with a higher dose (2 g) of n-3 PUFAs on platelet function, coagulation parameters, fibrin clot properties, markers of systemic inflammation and metabolic status, in patients with atherosclerotic vascular disease and DM2 who receive optimal medical therapy...
April 14, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28410571/pre-and-post-surgical-evaluation-of-the-inflammatory-response-in-patients-with-aortic-stenosis-treated-with-different-types-of-prosthesis
#17
Maria Elena Soto, Jose Luis Salas, Jesus Vargas-Barron, Ricardo Marquez, Alejandra Rodriguez-Hernandez, Rafael Bojalil-Parra, Israel Pérez-Torres, Veronica Guarner-Lans
BACKGROUND: The inflammatory process in aortic valvular stenosis persists after surgery to replace the valve in almost half of the patients. No association has been found to its persistence. The main objective of this study was to evaluate the inflammatory response in patients with aortic stenosis through the determination of several biomarkers in plasma measured before and after the valvular replacement and to seek an association with the type of prosthesis used. METHODS: This is an observational study with a follow up of 6 months in subjects with severe aortic stenosis...
April 14, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28406580/low-glucose-induces-mitochondrial-reactive-oxygen-species-via-fatty-acid-oxidation-in-bovine-aortic-endothelial-cells
#18
Nobuhiro Kajihara, Daisuke Kukidome, Kiminori Sada, Hiroyuki Motoshima, Noboru Furukawa, Takeshi Matsumura, Takeshi Nishikawa, Eiichi Araki
AIMS/INTRODUCTION: Overproduction of reactive oxygen species (ROS) in endothelial cells (ECs) plays a pivotal role in endothelial dysfunction. Mitochondrial ROS (mtROS) is one of the key players in the pathogenesis of diabetic vascular complications. Hypoglycemia is linked to increased ROS production and vascular events; however, the underlying mechanisms remain unclear. In this study, we aimed to determine whether and how low glucose (LG) mediates mtROS generation in ECs and to examine the impact of LG-induced mtROS on endothelial dysfunction...
April 12, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28404891/hmgb1-promotes-differentiation-syndrome-by-inducing-hyperinflammation-via-mek-erk-signaling-in-acute-promyelocytic-leukemia-cells
#19
Lanlan Tang, Wenwen Chai, Fanghua Ye, Yan Yu, Lizhi Cao, Minghua Yang, Min Xie, Liangchun Yang
Differentiation therapy based on all-trans-retinoic acid (ATRA) and arsenic trioxide (ATO) for the treatment of acute promyelocytic leukemia (APL) is complicated by the development of differentiation syndrome (DS), which can be fatal. We examined the role of HMGB1 (high-mobility group box 1) in DS using both in vitro and in vivo models. HMGB1 and the pro-inflammatory cytokines IL-1β and TNF-α were gradually released from NB4 and HL-60 cells treated with ATRA and/or ATO. Similarly, higher serum HMGB1 levels positively correlated with the clinical status of DS patients...
February 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28400700/serum-retinol-binding-protein-induced-endothelial-inflammation-is-mediated-through-the-activation-of-toll-like-receptor-4
#20
Mei Du, Ashley Martin, Franklin Hays, Jennifer Johnson, Rafal A Farjo, Krysten M Farjo
PURPOSE: Elevation of serum retinol-binding protein 4 (RBP4) induces inflammation in primary human retinal microvascular endothelial cells (HRECs) via a retinol-independent mechanism; thus, it may play a causative role in the development and progression of vascular lesions in diabetic retinopathy (DR). Since HRECs do not express the classical RBP4 receptor, stimulated by retinoic acid gene 6 (STRA6), this study focuses on identifying the endothelial cell receptor and signaling that mediate RBP4-induced inflammation...
2017: Molecular Vision
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