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Vascular inflammation

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https://www.readbyqxmd.com/read/28719891/serum-interleukin-10-levels-correlate-with-cerebrospinal-fluid-amyloid-beta-deposition-in-alzheimer-disease-patients
#1
Lucio D'Anna, Samir Abu-Rumeileh, Martina Fabris, Cinzia Pistis, Antonio Baldi, Nova Sanvilli, Francesco Curcio, Gian Luigi Gigli, Sebastiano D'Anna, Mariarosaria Valente
BACKGROUND AND OBJECTIVE: In Alzheimer disease (AD) inflammation becomes evident throughout the course of the disease. However, the association between inflammation, cognitive impairment, and cerebrospinal biomarkers (Aβ42, t-tau, p-tau181, and Aβ42/p-tau181 ratio) is poorly understood. METHODS: A large panel of inflammatory cytokines (interleukin [IL]-1β, IL-1ra, IL-2, IL-4, IL-6, IL-10, IL-17, interferon-γ, tumor necrosis factor-α, and vascular endothelial growth factor) was analyzed using a multiplex immunoassay in 27 patients with a diagnosis of AD dementia and in 18 control subjects...
July 19, 2017: Neuro-degenerative Diseases
https://www.readbyqxmd.com/read/28718891/mk-reduces-inhaled-chlorine-triggered-ahr-and-airway-inflammation-in-the-mouse
#2
Yoichiro Hamamoto, Satoshi Ano, Benoit Allard, Michael O'Sullivan, Toby K McGovern, James G Martin
BACKGROUND AND PURPOSE: Cysteinyl leukotrienes (CysLTs) are pro-inflammatory lipid mediators that exacerbate disease state in several asthma phenotypes including asthma induced by allergen, virus and exercise. However, the role of CysLTs in irritant-induced airway disease is not well characterized. The purpose of the current study was to investigate the effect of montelukast (MK), a CysLT1R antagonist, on parameters of irritant-induced asthma (IIA) induced by inhalation of chlorine (Cl2 ) in the mouse...
July 18, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28718447/prostaglandin-e2-signaling-alternative-target-for-glioblastoma
#3
Jianxiong Jiang, Jiange Qiu, Qianqian Li, Zhi Shi
Elevated cyclooxygenase-2 (COX-2) and the associated inflammation within the brain contribute to glioblastoma development. However, medical use of COX inhibitors in glioblastoma treatment has been limited due to their well-documented vascular toxicity and inconsistent outcomes from recent human studies. Prostaglandin E2 (PGE2) has emerged as a principal mediator for COX-2 cascade-driven gliomagenesis. Are PGE2 terminal synthases and receptors feasible therapeutic targets for glioblastoma?
February 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28718014/protein-hydrolysate-from-canned-sardine-and-brewing-by-products-improves-tnf-%C3%AE-induced-inflammation-in-an-intestinal-endothelial-co-culture-cell-model
#4
Elsa F Vieira, John Van Camp, Isabel M P L V O Ferreira, Charlotte Grootaert
PURPOSE: The anti-inflammatory activity of sardine protein hydrolysates (SPH) obtained by hydrolysis with proteases from brewing yeast surplus was ascertained. METHODS: For this purpose, a digested and desalted SPH fraction with molecular weight lower than 10 kDa was investigated using an endothelial cell line (EA.hy926) as such and in a co-culture model with an intestinal cell line (Caco-2). Effects of SPH <10 kDa on nitric oxide (NO) production, reactive oxygen species (ROS) inhibition and secretion of monocyte chemoattractant protein 1 (MCP-1), vascular endothelial growth factor (VEGF), chemokine IL-8 (IL-8) and intercellular adhesion molecule-1 (ICAM-1) were evaluated in TNF-α-treated and untreated cells...
July 17, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28717990/iron-based-phosphate-binders-a-paradigm-shift-in-the-treatment-of-hyperphosphatemic-anemic-ckd-patients
#5
REVIEW
Francesco Locatelli, Lucia Del Vecchio
The partial correction of anemia and the normalization of phosphate and blood pressure are the mainstay of treatment of patients with chronic kidney disease (CKD). Available anti-hypertensive drugs, erythropoiesis stimulating agents (ESAs) and iron supplements have resolved quite satisfactorily the goal of controlling hypertension and partially correcting anemia. Unfortunately, the treatment of hyperphosphatemia is still far from resolved. Phosphate binders have poor tolerability and/or limited efficacy, leading to the prescription of many tablets that achieve only a mild-to-moderate effect...
July 17, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/28717346/inflammatory-wnt5a-signalling-pathways-affecting-barrier-function-of-human-vascular-endothelial-cells
#6
Tom Skaria, Gabriele Schoedon
Wnt5A is a chemokine secreted by inflammatory-activated human macrophages that sustains their inflammatory response in an autocrine manner. High levels of Wnt5A are found in sera of patients with sepsis and septic shock. Here, we comment on recently reported Wnt5A signalling pathways in human vascular endothelial cells (VEC). In human VEC, Wnt5A regulates cytoskeleton remodelling and barrier function through Ryk receptor and Rho-associated protein serine/threonine kinase, targeting LIMK2 and CFL1 involved in actin polymerisation...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/28716897/mcpip1-downregulation-in-clear-cell-renal-cell-carcinoma-promotes-vascularization-and-metastatic-progression
#7
Paulina Marona, Judyta Górka, Zofia Mazurek, Waclaw Wilk, Janusz Rys, Marcin Majka, Jolanta Jura, Katarzyna Miekus
<p>Clear cell renal cell carcinoma (ccRCC) is the most common type of kidney cancer and it forms highly vascularized tumors. The monocyte endoribonuclease MCPIP1 negatively regulates inflammation by degrading mRNA encoding proinflammatory cytokines, such as IL-6, IL-1 and IL-12. MCPIP1 is also a negative regulator of NFκB and AP1 activity and it influences a broad range of miRNA activities. Here we report that MCPIP1 protein levels are decreased during renal cancer progression. In patient-derived tumors, and xenografts established in NOD-SCID or nude mice, low MCPIP1 levels correlated strongly with increased proliferation, tumor outgrowth and vascularity...
July 17, 2017: Cancer Research
https://www.readbyqxmd.com/read/28716007/silent-myocarditis-in-systemic-sclerosis-detected-by-cardiovascular-magnetic-resonance-using-lake-louise-criteria
#8
Sophie Mavrogeni, Loukia Koutsogeorgopoulou, Georgia Karabela, Efthymios Stavropoulos, Gikas Katsifis, John Raftakis, Sotiris Plastiras, Michel Noutsias, George Markousis-Mavrogenis, Genovefa Kolovou
BACKGROUND: Systemic sclerosis (SSc) is an autoimmune disease characterized by microvascular abnormalities, inflammation and fibrosis. We hypothesized that myocarditis may be diagnosed in asymptomatic SSc, undergoing routine cardio-vascular magnetic resonance (CMR) for fibrosis assessment, using the Lake Louise criteria: T2 ratio, early (EGE) and late gadolinium enhanced (LGE) images. METHODS: Eighty-two asymptomatic SSc, diagnosed according to American College of Rheumatology criteria, aged 43 ± 5 yrs...
July 17, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28715405/identification-and-pathological-characterization-of-persistent-asymptomatic-ebola-virus-infection-in-rhesus-monkeys
#9
Xiankun Zeng, Candace D Blancett, Keith A Koistinen, Christopher W Schellhase, Jeremy J Bearss, Sheli R Radoshitzky, Shelley P Honnold, Taylor B Chance, Travis K Warren, Jeffrey W Froude, Kathleen A Cashman, John M Dye, Sina Bavari, Gustavo Palacios, Jens H Kuhn, Mei G Sun
Ebola virus (EBOV) persistence in asymptomatic humans and Ebola virus disease (EVD) sequelae have emerged as significant public health concerns since the 2013-2016 EVD outbreak in Western Africa. Until now, studying how EBOV disseminates into and persists in immune-privileged sites was impossible due to the absence of a suitable animal model. Here, we detect persistent EBOV replication coinciding with systematic inflammatory responses in otherwise asymptomatic rhesus monkeys that had survived infection in the absence of or after treatment with candidate medical countermeasures...
July 17, 2017: Nature Microbiology
https://www.readbyqxmd.com/read/28714941/autophagy-induced-fhl2-upregulation-promotes-il-6-production-by-activating-the-nf-%C3%AE%C2%BAb-pathway-in-mouse-aortic-endothelial-cells-after-exposure-to-pm2-5
#10
Wen-Rong Xia, Wenliang Fu, Qin Wang, Xiaoming Zhu, Wei-Wei Xing, Min Wang, Dong-Qun Xu, Dong-Gang Xu
Epidemiological and clinical studies have increasingly shown that fine particulate matter (PM2.5) is associated with cardiovascular morbidity and mortality, which share the common feature of PM2.5-induced vascular inflammation; however, the underlying mechanisms of how PM2.5 triggers increased inflammatory response in vascular endothelial cells are not well understood. After treating mouse aortic endothelial cells (MAECs) with different concentrations of PM2.5, we assessed interleukin (IL)-6 and four and a half LIM domains 2 (FHL2) expression in cell supernatant by enzyme-linked immunosorbent assay and Western blot, respectively, as well as activation of nuclear factor (NF)-κB and immune-response signaling pathways...
July 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28714394/nanoparticle-mediated-delivery-of-neuroprotective-substances-for-the-treatment-of-diabetic-retinopathy
#11
Rosario Amato, Massimo Dal Monte, Matteo Lulli, Vittoria Raffa, Giovanni Casini
Diabetic retinopathy (DR) is a major complication of diabetes, characterized by extensive vascular pathology leading to vision loss. Neuronal suffering and death are also present in the diabetic retina as a result of different molecular mechanisms that are compromised or modified in response to high glucose and that mainly include excitotoxicity, advanced glycation, inflammation and oxidative stress. Recent data indicate that the vascular changes may be secondary to damage of retinal neurons and that neurodegeneration is likely to play a primary role in the development of DR...
July 17, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28713935/curcumin-pretreatment-protects-against-pm2-5%C3%A2-induced-oxidized-low%C3%A2-density-lipoprotein%C3%A2-mediated-oxidative-stress-and-inflammation-in-human-microvascular-endothelial-cells
#12
Jun Shi, Huiping Deng, Min Zhang
A previous study demonstrated that particulate matter (≤2.5 µm in diameter; PM2.5) may promote atherosclerosis. However, the underlying mechanisms of PM2.5 in human microvascular endothelial cells (HMEC‑1) remain to be elucidated. It has been reported that inflammation and oxidative stress can be reduced by curcumin, and in the present study, the aim was to investigate the protective effects of curcumin on PM2.5‑induced oxidative stress and inflammatory response in HMEC‑1. HMEC‑1 were stimulated with curcumin and PM2...
July 6, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713783/streptococcus-pyogenes-phospholipase-a2-induces-the-expression-of-adhesion-molecules-on-human-umbilical-vein-endothelial-cells-and-aorta-of-mice
#13
Masataka Oda, Hisanori Domon, Mie Kurosawa, Toshihito Isono, Tomoki Maekawa, Masaya Yamaguchi, Shigetada Kawabata, Yutaka Terao
The Streptococcus pyogenes phospholipase A2 (SlaA) gene is highly conserved in the M3 serotype of group A S. pyogenes, which often involves hypervirulent clones. However, the role of SlaA in S. pyogenes pathogenesis is unclear. Herein, we report that SlaA induces the expression of intercellular adhesion molecule 1 (ICAM1) and vascular cell adhesion molecule 1 (VCAM1) via the arachidonic acid signaling cascade. Notably, recombinant SlaA induced ICAM1 and VCAM1 expression in human umbilical vein endothelial cells (HUVECs), resulting in enhanced adhesion of human monocytic leukemia (THP-1) cells...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28713487/moringa-oleifera-seeds-attenuate-vascular-oxidative-and-nitrosative-stresses-in-spontaneously-hypertensive-rats
#14
Joseph Iharinjaka Randriamboavonjy, Marc Rio, Pierre Pacaud, Gervaise Loirand, Angela Tesse
Moringa oleifera (MOI) is a tree currently used in traditional medicine in tropical Africa, America, and Asia for therapeutic applications in several disorders including arterial hypertension. We previously described a cardiac protective role of a treatment with MOI seeds in spontaneously hypertensive rats (SHR). Here, we investigated the effects of this treatment on oxidative and nitrosative vascular stresses in SHR, with normotensive Wistar Kyoto rats used as controls. Oxidative and nitrosative stresses detected in SHR aortas using the fluorescent dye dihydroethidine and protein nitrotyrosine staining were reduced in MOI-treated SHR aortas...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28713062/a-prospective-study-on-second-generation-colon-capsule-endoscopy-to-detect-mucosal-lesions-and-disease-activity-in-ulcerative-colitis-with-video
#15
Hai Yun Shi, Francis Kl Chan, Akira Higashimori, Moe Kyaw, Jessica Yl Ching, Heyson Ch Chan, Joey Ch Chan, Anthony Wh Chan, Kelvin Ly Lam, Raymond Sy Tang, Justin Cy Wu, Joseph Jy Sung, Siew C Ng
BACKGROUND & AIMS: Mucosal healing is the goal for ulcerative colitis (UC) therapy, but needs to be confirmed under colonoscopy. Colon capsule endoscopy (CCE) is a noninvasive technique for colon investigation. Our study investigated the accuracy of the second-generation CCE (CCE-2) to assess mucosal lesions and disease activity in UC. METHODS: In this prospective study, CCE-2 and conventional colonoscopy were performed on the same day. CCE-2 reviewers and colonoscopists used Mayo endoscopic subscore (MES) and Ulcerative Colitis Endoscopic Index of Severity (UCEIS) to assess disease activity, and were blinded to each other's findings...
July 13, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28712011/fgf21-attenuates-high-fat-diet-induced-cognitive-impairment-via-metabolic-regulation-and-anti-inflammation-of-obese-mice
#16
Qingzhi Wang, Jing Yuan, Zhanyang Yu, Li Lin, Yinghua Jiang, Zeyuan Cao, Pengwei Zhuang, Michael J Whalen, Bo Song, Xiao-Jie Wang, Xiaokun Li, Eng H Lo, Yuming Xu, Xiaoying Wang
Accumulating studies suggest that overnutrition-associated obesity may lead to development of type 2 diabetes mellitus and metabolic syndromes (MetS). MetS and its components are important risk factors of mild cognitive impairment, age-related cognitive decline, vascular dementia, and Alzheimer's disease. It has been recently proposed that development of a disease-course modification strategy toward early and effective risk factor management would be clinically significant in reducing the risk of metabolic disorder-initiated cognitive decline...
July 15, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28711598/inos-derived-peroxynitrite-mediates-high-glucose-induced-inflammatory-gene-expression-in-vascular-smooth-muscle-cells-through-promoting-klf5-expression-and-nitration
#17
Man-Li Zhang, Bin Zheng, Fei Tong, Zhan Yang, Zhi-Bo Wang, Bao-Ming Yang, Yan Sun, Xin-Hua Zhang, Yi-Lin Zhao, Jin-Kun Wen
Inducible NO synthase (iNOS) expression and peroxynitrite formation are significantly increased in diabetic vascular tissues. Transcription factor KLF5 activates iNOS gene transcription and is involved in vascular inflammatory injury and remodeling. However, mutual regulation between KLF5, iNOS and peroxynitrite in diabetic vascular inflammation, as well as the underlying mechanisms, remain largely unknown. In this study, we found a marked increase in KLF5 and iNOS expression in vascular smooth muscle cells (VSMC) of diabetic patients...
July 12, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28709768/plasma-sphingosine-1-phosphate-concentrations-are-associated-with-systolic-heart-failure-in-patients-with-ischemic-heart-disease
#18
Amin Polzin, Kerstin Piayda, Petra Keul, Lisa Dannenberg, Annemarie Mohring, Markus Gräler, Tobias Zeus, Malte Kelm, Bodo Levkau
OBJECTIVE: Sphingosine-1-Phosphate (S1P) is a bioactive sphingolipid with important functions in immunity, inflammation and cardiovascular biology. S1P is associated with prevalence and severity of coronary artery disease and myocardial infarction. However, its relevance in ischemic cardiomyopathy is unknown. We aimed to investigate associations of plasma S1P and other sphingolipids with the extent of heart failure in patients with ischemic heart disease. METHODS AND RESULTS: 74 patients with ischemic heart disease were investigated in this observational study...
July 11, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/28709719/metformin-effects-on-the-heart-and-the-cardiovascular-system-a%C3%A2-review-of-experimental-and-clinical-data
#19
REVIEW
L Nesti, A Natali
BACKGROUND: Metformin, the eldest and most widely used glucose lowering drug, is likely to be effective also on cardiac and vascular disease prevention. Nonetheless, uncertainty still exists with regard to its effects on the cardiovascular system as a whole and specifically on the myocardium, both at the organ and cellular levels. METHODS: We reviewed the available data on the cardiac and vascular effects of metformin, encompassing both in vitro, either tissue or isolated organ, and in vivo studies in experimental animals and humans, as well as the evidence generated by major clinical trials...
May 10, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/28708322/ganglioside-gm3-suppresses-lipopolysaccharide-induced-inflammatory-responses-in-raw-264-7-macrophage-cells-through-nf-%C3%AE%C2%BAb-ap-1-and-mapks-signaling
#20
Junyoung Park, Choong-Hwan Kwak, Sun-Hyung Ha, Kyung-Min Kwon, Fukushi Abekura, Seung-Hak Cho, Young-Chae Chang, Young-Choon Lee, Ki-Tae Ha, Tae-Wook Chung, Cheorl-Ho Kim
Gangliosides are known to specifically inhibit vascular leukocyte recruitment and consequent interaction with the injured endothelium, the basic inflammatory process. In this study, we have found that the production of nitric oxide (NO), a main regulator of inflammation, is suppressed by GM3 on murine macrophage RAW264.7 cells, when induced by LPS. In addition, GM3 attenuated the increase in cyclooxyenase-2 (COX-2) protein and mRNA levels in lipopolysaccharide (LPS)-activated RAW 264.7 cells in a dose-dependent manner...
July 14, 2017: Journal of Cellular Biochemistry
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