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Vascular inflammation

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https://www.readbyqxmd.com/read/28934245/angiopoietin-like-protein-2-regulates-porphyromonas-gingivalis-lipopolysaccharide-induced-inflammatory-response-in-human-gingival-epithelial-cells
#1
Tasuku Ohno, Genta Yamamoto, Jun-Ichiro Hayashi, Eisaku Nishida, Hisashi Goto, Yasuyuki Sasaki, Takeshi Kikuchi, Mitsuo Fukuda, Yoshiaki Hasegawa, Makio Mogi, Akio Mitani
Angiopoietin-like protein 2 (ANGPTL2) maintains tissue homeostasis by inducing inflammation and angiogenesis. It is produced in infiltrating immune cells or resident cells, such as adipocytes, vascular endothelial cells, and tumor cells. We hypothesized that ANGPTL2 might play an important role as a unique mediator in both systemic and periodontal disease. We demonstrated an increased ANGPTL2 concentration in gingival crevicular fluid from chronic periodontitis patients. Porphyromonas gingivalis lipopolysaccharide (LPS) treatment strongly induced ANGPTL2 mRNA and protein levels in Ca9-22 human gingival epithelial cells...
2017: PloS One
https://www.readbyqxmd.com/read/28934021/browning-of-abdominal-aorta-perivascular-adipose-tissue-inhibits-adipose-tissue-inflammation
#2
Run-Mei Li, Sui-Qing Chen, Ning-Xi Zeng, Shu-Hui Zheng, Li Guan, Hai-Mei Liu, Le-Quan Zhou, Jin-Wen Xu
BACKGROUND: Perivascular adipose tissue (PVAT) can regulate vascular homeostasis by secreting various adipokines. This study investigated the effects of PVAT browning on its endocrine function. METHODS: In the first section of our study, male Sprague-Dawley rats were randomly divided into cold exposure (8°C) and 24°C acclimation groups. After cold exposure for 7 days, interscapular brown adipose tissue (iBAT), subcutaneous white adipose tissue, thoracic aortic PVAT, and abdominal aortic PVAT (aPVAT) were harvested for histological and brown marker gene expression analysis...
September 21, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28933987/rna-seq-analysis-provide-new-insights-into-mapk-signaling-of-apolipoproteinciii-induced-inflammation-in-porcine-vascular-endothelial-cells
#3
Yuan Yue, Hao Jiang, Shouqing Yan, Yao Fu, Chang Liu, Xulei Sun, Menglong Chai, Yan Gao, Bao Yuan, Chengzhen Chen, Lisheng Dai, Jiabao Zhang, Yu Ding
Apolipoprotein CIII (ApoCIII) has been shown to be associated with the inflammatory response, but the mechanism of its inflammatory effects remains unclear. Because vascular endothelial cells (VECs) play a key role in the development of inflammation, the present study was performed to investigate inflammatory mechanisms induced by ApoCIII in VECs. In this study, we screened differentially expressed genes (DEGs) using RNA-sequencing. The results identified 390 up-regulated genes and 257 down-regulated genes...
September 21, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28933986/the-antiangiogenesis-effect-of-pirfenidone-in-wound-healing-in-vitro
#4
Xiao'an Liu, Yangfan Yang, Xiujuan Guo, Liling Liu, Kaili Wu, Minbin Yu
Abstracts Background: Pirfenidone is mostly used in antifibrotic and anti-inflammatory therapies. We have previously demonstrated that pirfenidone had antifibrotic and anti-inflammatory effects on the wound healing process after glaucoma filtration surgery in vitro and in vivo. Since the wound healing and reactive scarring process simultaneously involves inflammation, fibrosis, and angiogenesis, and angiogenesis plays a more important role in chronic or prolonged wound healing, we tried to explore the antiangiogenesis effect in pirfenidone and its potential multitarget function in regulating excessive scarring...
September 21, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28933414/association-between-low-serum-bicarbonate-concentrations-and-cardiovascular-disease-in-patients-in-the-end-stage-of-renal-disease
#5
Vaia D Raikou, Despina Kyriaki
BACKGROUND: Metabolic acidosis, a common condition particularly in the end-stage of renal disease patients, results in malnutrition, inflammation and oxidative stress. In this study, we focused on the association between low serum bicarbonate and cardiovascular disease in patients on intermittent dialysis. METHODS: We studied 52 on-line-pre-dilution hemodiafiltration (on-l HDF) patients, 32 males and 20 females, with a mean age of 58.01 ± 15.4 years old. Metabolic acidosis was determined by serum bicarbonate concentrations less than 22 mmol/L...
November 15, 2016: Diseases (Basel)
https://www.readbyqxmd.com/read/28933306/diet-bioactive-compounds-implications-for-oxidative-stress-and-inflammation-in-the-vascular-system
#6
Morena Gabriele, Laura Pucci
BACKGROUND AND OBJECTIVE: Increasing evidence has demonstrated that dietary products and their active components are independently or jointly responsible for the apparent reduction of the cardiovascular diseases (CVDs) risk. DISCUSSION: Nowadays, there is a growing attention in the use of nutraceuticals as a new approach for the prevention and management of many diseases, as well as for controlling rising of chronic illnesses with minimal side effects. Food-derived peptides, as well as peptide-rich protein hydrolysates, represent new and valuable tools for the prevention of metabolic and cardiovascular diseases, acting as modulators of oxidative stress, inflammation, and overactivity of the renin-angiotensin system (RAS)...
September 21, 2017: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/28933059/function-and-dysfunction-of-adipose-tissue
#7
Paulo Matafome, Raquel Seiça
Adipose tissue is an endocrine organ which is responsible for postprandial uptake of glucose and fatty acids, consequently producing a broad range of adipokines controlling several physiological functions like appetite, insulin sensitivity and secretion, immunity, coagulation, and vascular tone, among others. Many aspects of adipose tissue pathophysiology in metabolic diseases have been described in the last years. Recent data suggest two main factors for adipose tissue dysfunction: accumulation of nonesterified fatty acids and their secondary products and hypoxia...
2017: Advances in Neurobiology
https://www.readbyqxmd.com/read/28931753/ask1-dependent-endothelial-cell-activation-is-critical-in-ovarian-cancer-growth-and-metastasis
#8
Mingzhu Yin, Huanjiao Jenny Zhou, Jiqin Zhang, Caixia Lin, Hongmei Li, Xia Li, Yonghao Li, Haifeng Zhang, David G Breckenridge, Weidong Ji, Wang Min
We have recently reported that tumor-associated macrophages (TAMs) promote early transcoelomic metastasis of ovarian cancer by facilitating TAM-ovarian cancer cell spheroid formation. ASK1 is known to be important for macrophage activation and inflammation-mediated tumorigenesis. In the present study, we show that ASK1 deficiency attenuates TAM-spheroid formation and ovarian cancer progression in an orthotopic ovarian cancer model. Interestingly, ASK1 in stroma, but not in TAMs, is critical for peritoneal tumor growth of ovarian cancer...
September 21, 2017: JCI Insight
https://www.readbyqxmd.com/read/28931193/bacterial-cellulose-as-a-new-graft-model-for-the-turkish-delight-technique-in-rhinoplasty-an-experiment-in-20-rats
#9
Sevim Aydinli, Sultan Bişkin, Aykut Erdem Dinç, Yusuf Orhan Uçal, Nilüfer Kandemir, İshak Özel Tekin
We conducted an experiment to investigate the effectiveness of bacterial cellulose, a new graft material, in correcting and preventing dorsal nasal disorder in rhinoplasty. The experiment was performed on 20 Wistar albino rats. The rats were evenly divided into two groups: a fascia group and a cellulose group. In the fascia group, grafts from the conchal cartilage were removed, shredded, and then wrapped in temporal muscle fascia. In the cellulose group, shredded cartilage was wrapped in the bacterial cellulose...
September 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28931072/high-prevalence-of-non-dipping-blood-pressure-and-vascular-stiffness-in-hiv-infected-south-africans-on-antiretrovirals
#10
M S Borkum, J M Heckmann, K Manning, J A Dave, N S Levitt, B L Rayner, N Wearne
BACKGROUND: HIV-infected individuals are at increased risk of tissue inflammation and accelerated vascular aging ('inflamm-aging'). Abnormal diurnal blood pressure (BP) rhythms such as non-dipping may contribute to an increased risk of cardiovascular and cerebrovascular events in HIV infected individuals. However, little data exists on ambulatory blood pressure (ABP) and measures of vascular stiffness in the black African HIV infected population. METHODS: This is a cross-sectional analysis of otherwise well, HIV infected outpatients on ART for >5 years...
2017: PloS One
https://www.readbyqxmd.com/read/28930962/attenuation-of-hemorrhage-associated-lung-injury-by-adjuvant-treatment-with-c23-an-oligopeptide-derived-from-cold-inducible-rna-binding-protein
#11
Fangming Zhang, Weng-Lang Yang, Max Brenner, Ping Wang
BACKGROUND: Hemorrhagic shock (HS) is an important cause of mortality. HS is associated with an elevated incidence of acute lung injury and acute respiratory distress syndrome, significantly contributing to HS morbidity and mortality. Cold-inducible RNA-binding protein (CIRP) is released into the circulation during HS and can cause lung injury. C23 is a CIRP-derived oligopeptide that binds with high affinity to the CIRP receptor and inhibits CIRP-induced phagocyte secretion of TNF-α...
October 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28930570/gut-microbiota-architects-of-small-intestinal-capillaries
#12
Avinash Khandagale, Christoph Reinhardt
The commensal gut microbiota is an environmental factor that exerts manifold effects on host physiology. One obvious trait is the impact of this densely colonized ecosystem on small intestinal mucosal vascularization. At present, the microbiota-triggered signaling pathways influencing small intestinal renewal, angiogenesis, and vascular remodeling are largely unexplored. While the interplay of gut microbial communities with pattern recognition receptors, such as Toll-like receptors, in intestinal homeostasis is increasingly understood, it is unresolved how commensal microbiota affect the signaling pathways responsible for the formation of capillary networks in the intestinal mucosa...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28928970/the-role-of-hyperuricemia-on-vascular-endothelium-dysfunction
#13
Haitao Zhen, Fen Gui
Hyperuricemia appears to be associated with an increased risk for cardiovascular disease and associated mortality. Population epidemiological data support a causal link between hyperuricemia and cardiovascular disease. Endothelium injury could be one of the potential mechanisms in hyperuricemia-induced cardiovascular disease. However, the specific role of uric acid (UA) in the impairment of vascular relaxation and its signal transduction pathway has not been examined. The authors investigated the role of UA on vascular relaxation, nitric oxide (NO) production and expression of proinflammatory cytokines...
October 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28927645/angiotensin-ii-type-1-receptor-antibodies-are-associated%C3%A2-with-inflammatory-cytokines-and-poor-clinical-outcomes-in-pediatric-kidney-transplantation
#14
Meghan H Pearl, Qiuheng Zhang, Miguel Fernando Palma Diaz, Jonathan Grotts, Maura Rossetti, David Elashoff, David W Gjertson, Patricia Weng, Elaine F Reed, Eileen Tsai Chambers
Angiotensin II type 1 receptor (AT1R) antibody has been linked to poor allograft outcomes in adult kidney transplantation. However, its clinical consequences in children are unknown. To study this, we examined the relationship of AT1R antibody with clinical outcomes, biopsy findings, inflammatory cytokines, and HLA donor-specific antibodies (DSA) in a cohort of pediatric renal transplant recipients. Sixty-five patients were longitudinally monitored for AT1R antibody, HLA DSA, IL-8, TNF-α, IL-1β, IFN-γ, IL-17, and IL-6, renal dysfunction, hypertension, rejection, and allograft loss during the first two years post transplantation...
September 16, 2017: Kidney International
https://www.readbyqxmd.com/read/28927403/circulating-levels-and-characterization-of-microparticles-in-patients-with-different-degrees-of-glucose-tolerance
#15
Alessandra Giannella, Claudia Maria Radu, Lorenzo Franco, Elena Campello, Paolo Simioni, Angelo Avogaro, Saula Vigili de Kreutzenberg, Giulio Ceolotto
BACKGROUND: Microparticles (MPs) are vesicular structures shed from endothelial or circulating blood cells, after activation or apoptosis, and can be considered markers of vascular damage. We aimed to determine the levels of circulating MPs, their content of miRNA-126-3p and 5p, and their relationship with early endothelial activation/damage, in patients with different degree of glucose tolerance. METHODS: CD62E(+), CD62P(+), CD142(+), CD45(+) circulating MPs, their apoptotic (AnnexinV(+)) fractions, and miRNA-126 expression were determined in 39 prediabetic (PreDM), 68 type 2 diabetic (T2DM), and 53 control (NGT) subjects, along with main anthropometric and biochemical measurements...
September 19, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28926865/effects-of-hypoxia-during-continuous-and-intermittent-exercise-on-glycaemic-control-and-selected-markers-of-vascular-function-in-type-1-diabetes
#16
Barbara Hall, Aleksandra Zebrowska, Tomasz Kaminski, Arkadiusz Stanula, Anna Robins
Objectives The aim of the study was to assess the effect of continuous and intermittent exercise in hypoxia on glycaemic control and selected markers of vascular function in patients with Type 1 diabetes (T1D). Methods 12 patients suffering from T1D for 12.1±6.0 years and 12 healthy adults performed: continuous exercise (ExC) and intermittent exercise (ExInt) in normoxia and hypoxia (FiO₂=15.1%). Glycaemia and proangiogenic factors concentrations were measured at rest and immediately after exercise. Results T1D patients' glycaemia decreased in response to ExC (p<0...
September 19, 2017: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/28926842/pharmacotherapy-with-thymoquinone-improved-pancreatic-%C3%AE-cell-integrity-and-functional-activity-enhanced-islets-revascularization-and-alleviated-metabolic-and-hepato-renal-disturbances-in-streptozotocin-induced-diabetes-in-rats
#17
Adel Galal El-Shemi, Osama Adnan Kensara, Aiman Alsaegh, Mohammed Hasan Mukhtar
AIMS: This study is aimed at evaluating the antidiabetic effects of thymoquinone (TQ) on streptozotocin (STZ)-induced diabetes in rats, and exploring the possible underlying mechanisms. METHODS: Diabetes was induced in adult male Wistar rats by intraperitoneal injection of freshly prepared STZ (65 mg/kg). After disease induction, 42 rats were equally assigned to: controls, STZ-diabetic group, and STZ-diabetic group treated with oral TQ (35 mg/kg/day) for 5 weeks...
September 20, 2017: Pharmacology
https://www.readbyqxmd.com/read/28926640/aire-deficient-mice-provide-a-model-of-corneal-and-lacrimal-gland-neuropathy-in-sj%C3%A3-gren-s-syndrome
#18
Feeling Y Chen, Albert Lee, Shaokui Ge, Sara Nathan, Sarah M Knox, Nancy A McNamara
Sjögren's syndrome (SS) is a chronic, autoimmune exocrinopathy that leads to severe dryness of the mouth and eyes. Exocrine function is highly regulated by neuronal mechanisms but little is known about the link between chronic inflammation, innervation and altered exocrine function in the diseased eyes and exocrine glands of SS patients. To gain a better understanding of neuronal regulation in the immunopathogenesis of autoimmune exocrinopathy, we profiled a mouse model of spontaneous, autoimmune exocrinopathy that possess key characteristics of peripheral neuropathy experienced by SS patients...
2017: PloS One
https://www.readbyqxmd.com/read/28926407/dysfunctional-hdl-from-hiv-individuals-promotes-monocyte-derived-foam-cell-formation-in-vitro
#19
Thomas A Angelovich, Anna C Hearps, Michael N Oda, Mark S Borja, Diana Huynh, Stefanie Homann, Anthony Jaworowski, Theodoros Kelesidis
OBJECTIVE: The role of HDL function in HIV-related atherosclerotic cardiovascular disease (CVD) is unclear. HDLs isolated from HIV+ [HIV(+)HDL] and HIV-uninfected individuals (HDL) were assessed for HDL function and ability to promote monocyte-derived foam cell formation (MDFCF) (a key event in HIV-related CVD) ex vivo. DESIGN/METHODS: Using an established in vitro model of atherogenesis and plasma samples from an established cross-sectional study of virologically-suppressed HIV+ males on stable effective antiretroviral therapy (ART) and with low CVD risk (median age: 42 years; n = 10), we explored the impact of native HDL [HIV(+)HDL] on MDFCF...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28924387/activation-of-nrf2-attenuates-pulmonary-vascular-remodeling-via-inhibiting-endothelial-to-mesenchymal-transition-an-insight-from-a-plant-polyphenol
#20
Yucai Chen, Tianyi Yuan, Huifang Zhang, Yu Yan, Danshu Wang, Lianhua Fang, Yang Lu, Guanhua Du
The endothelial-to-mesenchymal transition (EndMT) has been demonstrated to be involved in pulmonary vascular remodeling. It is partly attributed to oxidative and inflammatory stresses in endothelial cells. In current study, we conducted a series of experiments to clarify the effect of salvianolic acid A (SAA), a kind of polyphenol compound, in the process of EndMT in human pulmonary arterial endothelial cells and in vivo therapeutic efficacy on vascular remodeling in monocrotaline (MCT)-induced EndMT. EndMT was induced by TGFβ1 in human pulmonary arterial endothelial cells (HPAECs)...
2017: International Journal of Biological Sciences
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