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Inflammation, atherosclerosis

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https://www.readbyqxmd.com/read/29239134/recent-advances-in-managing-atherosclerosis-via-nanomedicine
#1
REVIEW
Cecilia Ka Wing Chan, Lei Zhang, Chak Kwong Cheng, Hongrong Yang, Yu Huang, Xiao Yu Tian, Chung Hang Jonathan Choi
Atherosclerosis, driven by chronic inflammation of the arteries and lipid accumulation on the blood vessel wall, underpins many cardiovascular diseases with high mortality rates globally, such as stroke and ischemic heart disease. Engineered bio-nanomaterials are now under active investigation as carriers of therapeutic and/or imaging agents to atherosclerotic plaques. This Review summarizes the latest bio-nanomaterial-based strategies for managing atherosclerosis published over the past five years, a period marked by a rapid surge in preclinical applications of bio-nanomaterials for imaging and/or treating atherosclerosis...
December 14, 2017: Small
https://www.readbyqxmd.com/read/29238904/anti-inflammatory-activity-of-anti-hyperlipidemic-drug-fenofibrate-and-its-phase-i-metabolite-fenofibric-acid-in-silico-in-vitro-and-in-vivo-studies
#2
G Shyam Prasad, P Govardhan, G Deepika, V Vakdevi, R B Sashidhar
Fenofibrate, an anti-hyperlipidemic drug and its phase-I biotransformed metabolite fenofibric acid, was studied for COX-1 (PDB ID: 3N8Y) and COX-2 (PDB ID: 1PXX) inhibition potentials in silico and in vitro for their effects on human recombinant COX-2 enzyme isolated from a Baculovirus expression system in sf21 cells (EC 1.14.99.1) using a conventional spectrophotometric assay. Furthermore, the compounds were also screened for their anti-inflammatory potentials in vivo using carrageenan-induced paw oedema method in Wistar rats...
December 13, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/29238011/plaque-calcification-during-atherosclerosis-progression-and-regression
#3
Atsushi Shioi, Yuji Ikari
Plaque calcification develops by the inflammation-dependent mechanisms involved in progression and regression of atherosclerosis. Macrophages can undergo two distinct polarization states, that is, pro-inflammatory M1 phenotype in progression and anti-inflammatory M2 phenotype in regression. In plaque progression, predominant M1 macrophages promote the initial calcium deposition within the necrotic core of the lesions, called as microcalcification, through not only vesicle-mediated mineralization as the result of apoptosis of macrophages and vascular smooth muscle cells (VSMCs), but also VSMC differentiation into early phase osteoblasts...
December 12, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/29236146/-atherothrombosis-novel-therapeutic-strategies
#4
O Soehnlein
Despite intensive scientific research over the past decades, atherosclerosis and atherothrombosis are the leading cause of mortality worldwide. During the recent past it has become clear that atherosclerosis is not merely a lipid-driven disease but a multifactorial process involving chronic inflammation of large arteries. This review article briefly outlines the mechanistic nature of atherosclerosis, presents a synopsis of the current state of the art treatment strategies and finally outlines several therapeutic options, which are in clinical and experimental testing...
December 13, 2017: Herz
https://www.readbyqxmd.com/read/29234289/the-role-of-perivascular-adipose-tissue-in-non-atherosclerotic-vascular-disease
#5
REVIEW
Tetsuo Horimatsu, Ha Won Kim, Neal L Weintraub
Perivascular adipose tissue (PVAT) surrounds most large blood vessels and plays an important role in vascular homeostasis. PVAT releases various chemokines and adipocytokines, functioning in an endocrine and paracrine manner to regulate vascular signaling and inflammation. Mounting evidence suggests that PVAT plays an important role in atherosclerosis and hypertension; however, the role of PVAT in non-atherosclerotic vascular diseases, including neointimal formation, aortic aneurysm, arterial stiffness and vasculitis, has received far less attention...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29233634/epicardial-adipose-tissue-density-and-volume-are-related-to-subclinical-atherosclerosis-inflammation-and-major-adverse-cardiac-events-in-asymptomatic-subjects
#6
Markus Goeller, Stephan Achenbach, Mohamed Marwan, Mhairi K Doris, Sebastien Cadet, Frederic Commandeur, Xi Chen, Piotr J Slomka, Heidi Gransar, J Jane Cao, Nathan D Wong, Moritz H Albrecht, Alan Rozanski, Balaji K Tamarappoo, Daniel S Berman, Damini Dey
BACKGROUND: We investigated whether epicardial adipose tissue (EAT) volume and density are related to early atherosclerosis, plaque inflammation and major adverse cardiac events (MACE, cardiac death and myocardial infarction) in asymptomatic subjects. METHODS: EAT volume and density were quantified from non-contrast cardiac CT in 456 asymptomatic individuals (age 60.3 ± 8.3; 68% with CCS>0) from the prospective EISNER trial. EAT volume and density were examined in relation to coronary calcium score (CCS), inflammatory biomarkers and MACE...
November 24, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/29231984/evidence-for-increased-chylomicron-remnants-in-rheumatoid-arthritis
#7
Benjamin Burggraaf, Deborah F van Breukelen-van der Stoep, Jendé van Zeben, Noelle van der Meulen, Gert-Jan M van de Geijn, Anho Liem, Pedro Valdivielso, José Rioja Villodres, José Ramírez-Bollero, Ellen van der Zwan, Manuel Castro Cabezas
BACKGROUND: Levels of apolipoprotein (apo) B48 may be increased in conditions associated with systemic inflammation and increased cardiovascular disease (CVD) risk like rheumatoid arthritis (RA). We aimed to evaluate apo B48 levels in patients with RA in relation to subclinical atherosclerosis. METHODS: Patients with RA (without CVD) and controls without RA but with high CVD risk (based on the presence of diabetes mellitus or a history of CVD) and healthy controls, were included in this cross-sectional study...
December 12, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29227739/chronic-exposure-to-external-low-dose-gamma-radiation-induces-an-increase-in-anti-inflammatory-and-anti-oxidative-parameters-resulting-in-atherosclerotic-plaque-size-reduction-in-apoe-mice
#8
T G Ebrahimian, L Beugnies, J Surette, N Priest, Y Gueguen, C Gloaguen, M Benderitter, J R Jourdain, K Tack
Populations living in radiation-contaminated territories, such as Chernobyl and Fukushima, are chronically exposed to external gamma radiation and internal radionuclide contamination due to the large amount of 137Cs released in the environment. The effect of chronic low-dose exposure on the development of cardiovascular diseases remains unclear. Previously reported studies have shown that low-dose radiation exposure could lead to discrepancies according to dose rate. In this study, we examined the effect of very low-dose and dose-rate chronic external exposure on atherosclerosis development...
December 11, 2017: Radiation Research
https://www.readbyqxmd.com/read/29226948/mir-182-5p-inhibited-oxidative-stress-and-apoptosis-triggered-by-oxidized-low-density-lipoprotein-via-targeting-toll-like-receptor-4
#9
Song-Bai Qin, Da-Yan Peng, Yan Shi, Zun-Ping Ke
MicroRNAs (miRNAs) exhibit various roles in multiple biological processes and abnormal expression of miR-182-5p has been involved in many diseases. However, the role miR-182-5p in Atherosclerosis (AS) remains poorly understood. In our current investigation, an AS model was established by using oxidized low-density lipoprotein (ox-LDL) in RAW264.7 cells. miR-182-5p was markedly decreased in AS model dose-dependently and time-dependently. Additionally, CD36, oil-red staining levels, TC and TG were inhibited by miR-182-5p mimics, meanwhile ROS levels, MDA and cell apoptosis were also restrained with an enhancement of SOD activity...
December 11, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29223817/elevated-inflammatory-lp-pla2-and-il-6-link-e-waste-pb-toxicity-to-cardiovascular-risk-factors-in-preschool-children
#10
Xueling Lu, Xijin Xu, Yu Zhang, Yuling Zhang, Chenyang Wang, Xia Huo
Cardiovascular toxicity of lead (Pb) manifests primarily as an effect on blood pressure and eventual increased risk of atherosclerosis and cardiovascular events. Therefore, we investigated vascular inflammatory biomarkers and cardiovascular effects of Pb-exposed children. A total of 590 children (3-7 years old) were recruited from Guiyu (n = 337), an electronic waste (e-waste)-exposed group, and Haojiang (n = 253), a reference group, from November to December 2016. We measured child blood Pb levels (BPbs), and systolic and diastolic blood pressure...
December 7, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29223510/low-grade-systemic-inflammation-a-partial-mediator-of-the-relationship-between-diabetes-and-lung-function
#11
Jonathan Giovannelli, Philippe Trouiller, Sébastien Hulo, Natalie Chérot-Kornobis, Alina Ciuchete, Jean-Louis Edmé, Régis Matran, Philippe Amouyel, Aline Meirhaeghe, Luc Dauchet
PURPOSE: An association has been consistently found between diabetes mellitus and decreased lung function. We evaluated to what extent low-grade inflammation (as measured by the level of high-sensitivity C-reactive protein [hs-CRP]) could explain this relationship. METHODS: A sample of 1878 middle-aged adults from the cross-sectional Enquête Littoral Souffle Air Biologie Environnement survey without self-reported pulmonary and atherosclerosis disease was included...
November 22, 2017: Annals of Epidemiology
https://www.readbyqxmd.com/read/29221940/pioglitazone-attenuates-aging-related-disorders-in-aged-apolipoprotein-e-deficient-mice
#12
Dan Shen, Hao Li, Rui Zhou, Meng-Jie Liu, Hong Yu, Dong-Fang Wu
Pioglitazone (Piog) activates peroxisome proliferator activated receptor-γ (PPARγ) and is widely used in clinic for the treatment of diabetes mellitus. PPARγ in various tissues has the essential regulatory role of multiple metabolic function, suggest that PPARγ signaling may contribute to aging processes. However, little is known about the consequences of Piog on aging in aged animal models. We used apolipoprotein E deficient (apoE-/-) mice model to evaluate the effects of Piog on aging-related disorders...
December 5, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/29221669/regulation-of-pro-and-anti-atherogenic-cytokines
#13
Mitali Ray, Michael V Autieri
Despite advances in prevention and treatment, vascular diseases continue to account for significant morbidity and mortality in the developed world. Incidence is expected to worsen as the number of patients with common co-morbidities linked with atherosclerotic vascular disease, such as obesity and diabetes, continues to increase, reaching epidemic proportions. Atherosclerosis is a lipid-driven vascular inflammatory disease involving multiple cell types in various stages of inflammation, activation, apoptosis, and necrosis...
December 5, 2017: Cytokine
https://www.readbyqxmd.com/read/29220536/cd36-deficiency-attenuates-immune-mediated-hepatitis-in-mice-by-modulating-the-proapoptotic-effects-of-cxcl10
#14
Che Xu, Chen Zhang, Jie Ji, Chao Wang, Jing Yang, Biao Geng, Ting Zhao, Hong Zhou, Xianmin Mu, Jinshun Pan, Shi Hu, Yuanfang Lv, Xingguo Chen, Hao Wen, Qiang You
The scavenger receptor, CD36, recognizes a diverse set of ligands, and has been implicated in a wide variety of normal and pathological processes, including lipid metabolism, angiogenesis, atherosclerosis, and phagocytosis. In particular, recent findings have demonstrated its crucial functions in sterile inflammation and tumor metastasis. However, the role of CD36 in immune-mediated hepatitis remains unclear. Concanavalin A (Con A)-induced liver injury is a well-established experimental T cell-mediated hepatitis...
December 8, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29220092/dose-rectification-of-an-unbalance-between-dpp4-and-glp-1-ameliorates-chronic-stress-related-vascular-aging-and-atherosclerosis
#15
Xian Wu Cheng, Megumi Narisawa, Enze Jin, Chenglin Yu, Wenhu Xu, Limei Piao
Exposure to psychosocial stress is a risk factor for cardiovascular disease, including vascular aging and regeneration. Dipeptidyl peptidase-4 (DPP-4) exerts many physiological and pharmacological functions by regulating its extremely abundant substrates [e.g., glucagon-like peptide-1 (GLP-1), stromal cell-derived factor-1α/ C-X-C chemokine receptor type-4, etc.]. Over the past decade, emerging data revealed unexpected roles for DPP-4 and GLP-1 in intracellular signaling, oxidative stress production, lipid metabolism, cell apoptosis, immune activation, insulin resistance, and inflammation...
December 8, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29216392/dioxin-like-pcb-126-increases-systemic-inflammation-and-accelerates-atherosclerosis-in-lean-ldl-receptor-deficient-mice
#16
Michael C Petriello, J Anthony Brandon, Jessie Hoffman, Chunyan Wang, Himi Tripathi, Ahmed Abdel-Latif, Xiang Ye, Xiangan Li, Liping Yang, Eun Lee, Sony Soman, Jazmyne Barney, Banrida Wahlang, Bernhard Hennig, Andrew J Morris
Exposure to dioxins and related persistent organic pollutants likely contributes to cardiovascular disease (CVD) risk through multiple mechanisms including the induction of chronic inflammation. Epidemiological studies have shown that leaner individuals may be more susceptible to the detrimental effects of lipophilic toxicants because they lack large adipose tissue depots that can accumulate and sequester these pollutants. This phenomenon complicates efforts to study mechanisms of pollutant-accelerated atherosclerosis in experimental animal models where high-fat feeding and adipose expansion limit the bioavailability of lipophilic pollutants...
December 1, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29215758/plin5-deficiency-promotes-atherosclerosis-progression-through-accelerating-inflammation-apoptosis-and-oxidative-stress
#17
Peng-Li Zhou, Min Li, Xin-Wei Han, Yong-Hua Bi, Wen-Guang Zhang, Zheng-Yang Wu, Gang Wu
Excessive plasma triglyceride and cholesterol levels promote the progression of several prevalent cardiovascular risk factors, including atherosclerosis, which is a leading death cause. Perilipin 5 (Plin5), an important perilipin protein, is abundant in tissues with very active lipid catabolism, and is involved in the regulation of oxidative stress. Although, in?ammation and oxidative stress play a critical role in atherosclerosis development, the underlying mechanisms are complex and not completely understood...
December 7, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29215061/local-production-of-activated-factor-x-in-atherosclerotic-plaque-induced-vascular-smooth-muscle-cell-senescence
#18
Fumihiro Sanada, Jun Muratsu, Rei Otsu, Hideo Shimizu, Nobutaka Koibuchi, Kazutaka Uchida, Yoshiaki Taniyama, Shinichi Yoshimura, Hiromi Rakugi, Ryuichi Morishita
Our previous study demonstrated that coagulation factor Xa (FXa) induced endothelial cell senescence, resulting in inflammation and impaired angiogenesis. This mechanism is dictated through protease-activated receptors, PARs, insulin-like growth factor-binding protein 5 (IGFBP-5), and p53. Activation of PARs contributes to the pathophysiology of several chronic inflammatory diseases, including atherosclerosis. Thus, we speculated that similar mechanism might participate in the progression of atherosclerotic plaques...
December 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29213284/circulatory-immune-cells-in-cushing-syndrome-bystanders-or-active-contributors-to-atherometabolic-injury-a-study-of-adhesion-and-activation-of-cell-surface-markers
#19
Gloria Aranda, Cristina Lopez, Rebeca Fernandez-Ruiz, Yaiza Esteban, Guillermo Garcia-Eguren, Mireia Mora, Irene Halperin, Gregori Casals, Joaquim Enseñat, Felicia A Hanzu
Glucocorticoids (GC) induce cardiometabolic risk while atherosclerosis is a chronic inflammation involving immunity. GC are immune suppressors, and the adrenocorticotrophic hormone (ACTH) has immune modulator activities. Both may act in atherothrombotic inflammation involving immune cells (IMNC). Aim. To investigate adhesion and activation surface cell markers (CDs) of peripheral IMNC in endogenous Cushing syndrome (CS) and the immune modulator role of ACTH. Material and Methods. 16 ACTH-dependent CS (ACTH-D), 10 ACTH-independent (ACTH-ID) CS, and 16 healthy controls (C) were included...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/29212261/cordycepin-stimulates-autophagy-in-macrophages-and-prevents-atherosclerotic-plaque-formation-in-apoe-mice
#20
Xin Li, Yue Zhou, Xue Zhang, Xiaoxue Cao, Chongming Wu, Peng Guo
Autophagy in macrophages plays a key role in the pathogenesis and progression of atherosclerosis and has become a potential therapeutic target. Here we show that cordycepin (Cpn), a natural derivative of adenosine, markedly reduced atherosclerotic plaque and ameliorated associated symptoms such as dyslipidemia, hyperglycemia and inflammation in ApoE-/- mice. Supplementation of Cpn dose-dependently inhibited oxLDL-elicited foam cell formation and modulated intracellular cholesterol homeostasis by inhibiting cholesterol uptake and promoting cholesterol efflux in RAW264...
November 7, 2017: Oncotarget
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