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Atherosclerosis inflammation

Yuquan Wang, Lanlan Li, Weibo Zhao, Yin Dou, Huijie An, Hui Tao, Xiaoqiu Xu, Yi Jia, Shan Lu, Jianxiang Zhang, Houyuan Hu
Atherosclerosis is a leading cause of vascular diseases worldwide. Whereas anti-oxidative therapy has been considered promising for the treatment of atherosclerosis in view of a critical role of reactive oxygen species (ROS) in the pathogenesis of atherosclerosis, currently available antioxidants showed considerably limited clinical outcomes. Herein we hypothesize that a broad-spectrum ROS-scavenging nanoparticle can serve as an effective therapy for atherosclerosis, taking advantages of its anti-oxidative stress activity and targeting effects...
August 16, 2018: ACS Nano
Shao-Jun Li, Yu-Fen Zhang, Se-Hui Ma, Yao Yi, Hong-Yan Yu, Lei Pei, Dan Feng
BACKGROUND: NLRP3 inflammasome plays a prominent role in the pathogenesis and progression of many diseases, such as type 2 diabetes mellitus, obesity, atherosclerosis, and Alzheimer's disease. However, little knowledge is known about the role of NLRP3 inflammasome in central post-stroke pain (CPSP). METHODS: We selected relevant studies by searching PubMed, Embase, and Medline from inception through February, 2018. We systematically reviewed available publications according to the terms "NLRP3 inflammasome" and "stroke" or "central post-stroke pain" in the title/abstract field...
August 2018: Medicine (Baltimore)
Dhruvkumar M Patel, Mukundkumar V Patel, Kamal H Sharma, Greshaben Rajeshkumar Patel, Manish B Patel, Vipul B Shah
BACKGROUND: Atherosclerosis and coronary plaque destabilization are linked to each other. Infections due to various microbes may trigger acute coronary syndrome (ACS) by systemic inflammation cascade. METHODS: We have evaluated the prevalence of Post chikungunya chronic arthritis (PCCA) among 400 consecutive ACS patients (Case group) and compared with control group subjected to elective surgery by the prospective case-control observational study. Cases were excluded if standard criteria of ACS were not satisfied and in control group if the patient suffered a myocardial infarction (MI) within 28 days of elective surgery...
August 15, 2018: Current Rheumatology Reviews
Sajal Jain, Harpal S Buttar, Meena Chintameneni, Ginpreet Kaur
BACKGROUND: Inflammation-induced endothelial abnormalities, dietary habits, and tobacco smoking are considered to be the primary risk factors for causing atherosclerosis and cardiovascular diseases (CVDs), including coronary heart disease (CHD), cerebrovascular disorders, peripheral arterial disease, rheumatic heart disease, congenital heart defects, deep vein thrombosis and pulmonary embolism. Prevention of CVDs with anti-inflammatory and anti-oxidant agents has been a challenging task for decades...
August 15, 2018: Recent Patents on Inflammation & Allergy Drug Discovery
Somanath Kundu, Sandhya Bansal, Kalai Mangai Muthukumarasamy, Chetana Sachidanandan, Rajender K Motiani, Avinash Bajaj
Bile acids have emerged as strong signaling molecules capable of influencing various biological processes like inflammation, apoptosis, cancer progression and atherosclerosis depending on their chemistry. In the present study, we investigated the effect of major hydrophobic bile acids lithocholic acid (LCA) and deoxycholic acid (DCA) and hydrophilic bile acids cholic acid (CA) and chenodeoxycholic acid (CDCA) on angiogenesis. We employed human umbilical vein endothelial cells (HUVECs) and zebrafish embryos as model systems for studying the role of bile acids in angiogenesis...
December 1, 2017: MedChemComm
Iolanda Lazaro, Laura Lopez-Sanz, Susana Bernal, Ainhoa Oguiza, Carlota Recio, Ana Melgar, Luna Jimenez-Castilla, Jesus Egido, Julio Madrigal-Matute, Carmen Gomez-Guerrero
Interactive relationships between metabolism, inflammation, oxidative stress, and autophagy in the vascular system play a key role in the pathogenesis of diabetic cardiovascular disease. Nuclear factor (erythroid-derived 2)-like 2 (Nrf2) is a stress-sensitive guarantor of cellular homeostasis, which cytoprotective contributions extend beyond the antioxidant defense. We investigated the beneficial effects and underlying mechanisms of the Nrf2 inducer tert-butyl hydroquinone (tBHQ) on diabetes-driven atherosclerosis...
2018: Frontiers in Pharmacology
Canan Kasikara, Amanda C Doran, Bishuang Cai, Ira Tabas
Non-resolving inflammation drives the development of clinically dangerous atherosclerotic lesions by promoting sustained plaque inflammation, large necrotic cores, thin fibrous caps, and thrombosis. Resolution of inflammation is not merely a passive return to homeostasis, but rather an active process mediated by specific molecules, including fatty acid-derived specialized pro-resolving mediators (SPMs). In advanced atherosclerosis, there is an imbalance between levels of SPMs and proinflammatory lipid mediators, which results in sustained leukocyte influx into lesions, inflammatory macrophage polarization, and impaired efferocytosis...
July 2, 2018: Journal of Clinical Investigation
Linde Woudstra, Elisa Meinster, Laura VAN Haren, Amber M Kay, Marit Koopman, Jeroen A M Belien, Martine C Morrison, Albert C VAN Rossum, Marco N Helder, Lynda J M Juffermans, Hans W M Niessen, Paul A J Krijnen
BACKGROUND AIMS: After a myocardial infarction (MI) atherosclerosis is accelerated leading to destabilization of the atherosclerotic plaque. mesenchymal stromal cells are a promising therapeutic option for atherosclerosis. Previously, we demonstrated a novel stem cell delivery technique, with adipose stem cells coupled to microbubbles (i.e., StemBells) as therapy after MI. In this study, we aim to investigate the effect of StemBell therapy on atherosclerotic plaques in an atherosclerotic mouse model after MI...
August 11, 2018: Cytotherapy
Kristien Daenen, Asmin Andries, Djalila Mekahli, Ann Van Schepdael, François Jouret, Bert Bammens
Oxidative stress (OS), defined as disturbances in the pro-/antioxidant balance, is harmful to cells due to the excessive generation of highly reactive oxygen (ROS) and nitrogen (RNS) species. When the balance is not disturbed, OS has a role in physiological adaptations and signal transduction. However, an excessive amount of ROS and RNS results in the oxidation of biological molecules such as lipids, proteins, and DNA. Oxidative stress has been reported in kidney disease, due to both antioxidant depletions as well as increased ROS production...
August 13, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
Gianni Biolo, Filippo G Di Girolamo, Adam McDonnell, Nicola Fiotti, Filippo Mearelli, Roberta Situlin, Arianna Gonelli, Barbara Dapas, Mauro Giordano, Mitja Lainscak, Gabriele Grassi, Giorgio Zauli, Paola Secchiero, Igor Mekjavic
In chronic diseases, hypoxia and physical inactivity are associated with atherosclerosis progression. In contrast, a lower mortality from coronary artery disease and stroke is observed in healthy humans residing at high altitude in hypoxic environments. Eleven young, male volunteers completed the following 10-day campaigns in a randomized order: hypoxic ambulatory, hypoxic bed rest and normoxic bed rest. Before intervention, subjects were evaluated in normoxic ambulatory condition. Normobaric hypoxia was achieved in a hypoxic facility simulating 4000 m of altitude...
2018: Frontiers in Physiology
Rafael Correa Apoloni, Antonio Eduardo Zerati, Nelson Wolosker, Glauco Fernandes Saes, Marina Wolosker, Taina Curado, Pedro Puech-Leao, Nelson De Luccia
BACKGROUNDS AND AIMS: atherosclerosis and Abdominal Aortic Aneurysms (AAA) have several similar risk factors but different pathogenesis. Inflammation of the arteries is common to both. Central obesity can act as an endocrine organ through the secretion of inflammatory cytokines and the perivascular fat has a local effect that could contributes to diseases of the abdominal aorta. While the relation between central obesity and atherosclerosis occlusive arterial disease has been demonstrated, the correlation with AAA has conflicting results...
August 10, 2018: Annals of Vascular Surgery
Evangelia Pardali, Lena-Maria Makowski, Merle Leffers, Andreas Borgscheiper, Johannes Waltenberger
Type 2 diabetes mellitus (T2DM) is a cardiovascular risk factor which leads to atherosclerosis, an inflammatory disease characterized by the infiltration of mononuclear cells in the vessel. Bone morphogenetic protein (BMP)-2 is a cytokine which has been recently shown to be elevated in atherosclerosis and T2DM and to contribute to vascular inflammation. However, the role of BMP-2 in the regulation of mononuclear cell function remains to be established. Herein, we demonstrate that BMP-2 induced human monocyte chemotaxis via phosphoinositide 3 kinase and mitogen-activated protein kinases...
August 13, 2018: Journal of Cellular and Molecular Medicine
Yunsuk Koh, Jinkyung Park
Background: An extensive systematic review was undertaken in the current literature in order to explore the role of different types and intensities of exercise in cell adhesion molecules (CAMs), one of the markers of vascular inflammation, endothelial dysfunction, and atherosclerosis. Methods: Twenty-eight qualifying studies were extensively reviewed to examine the effects of different intensities (low-to-moderate vs. high) and types (aerobic vs. resistance) of exercise on intercellular adhesion molecule-1, vascular cell adhesion molecule-1, and selectins...
2018: Journal of Inflammation Research
Michael G Watson, Helen M Byrne, Charlie Macaskill, Mary R Myerscough
Atherosclerotic plaque growth is characterised by chronic, non-resolving inflammation that promotes the accumulation of cellular debris and extracellular fat in the inner artery wall. This material is highly thrombogenic, and plaque rupture can lead to the formation of blood clots that occlude major arteries and cause myocardial infarction or stroke. In advanced plaques, vascular smooth muscle cells (SMCs) are recruited from deeper in the artery wall to synthesise a cap of fibrous tissue that stabilises the plaque and sequesters the thrombogenic plaque content from the bloodstream...
August 8, 2018: Journal of Theoretical Biology
Tetsuo Horimatsu, Aaron S Patel, Rosaria Prasad, Lauren E Reid, Tyler W Benson, Abdalrahman Zarzour, Mourad Ogbi, Thiago Bruder do Nascimento, Eric Belin de Chantemele, Brian K Stansfield, Xin-Yun Lu, Ha Won Kim, Neal L Weintraub
PURPOSE: Perivascular adipose tissue (PVAT) surrounds the arterial adventitia and plays an important role in vascular homeostasis. PVAT expands in obesity, and inflamed PVAT can locally promote endothelial dysfunction and atherosclerosis. Here, using adipose tissue transplantation, we tested the hypothesis that expansion of PVAT can also remotely exacerbate vascular disease. METHODS: Fifty milligrams of abdominal aortic PVAT was isolated from high-fat diet (HFD)-fed wild-type mice and transplanted onto the abdominal aorta of lean LDL receptor knockout mice...
August 10, 2018: Cardiovascular Drugs and Therapy
Elizabeth J White, Gabriel Gyulay, Šárka Lhoták, Magdalena M Szewczyk, Taryne Chong, Mark T Fuller, Omid Dadoo, Alison E Fox-Robichaud, Richard C Austin, Bernardo Trigatti, Suleiman A Igdoura
Atherosclerosis is a complex disease that involves alterations in lipoprotein metabolism and inflammation. Protein and lipid glycosylation events, such as sialylation, contribute to the development of atherosclerosis and are regulated by specific glycosidases, including sialidases. To evaluate the effect of the sialidase neuraminidase 1 (NEU1) on atherogenesis, here we generated apolipoprotein E (ApoE)-deficient mice that express hypomorphic levels of NEU1 ( Neu1hypo Apoe-/- ). We found that the hypomorphic NEU1 expression in male Apoe-/- mice reduces serum levels of very-low-density lipoprotein (VLDL) and LDL cholesterol, diminishes infiltration of inflammatory cells into lesions, and decreases aortic sinus atherosclerosis...
August 10, 2018: Journal of Biological Chemistry
Cheng Chaohui, Huang Wei, Wen Hongfeng, Zhang Yueliang, Peng Xiaoqin, Zhou Pingli, Ai Zhibing
Atherosclerosis is a complex chronic inflammatory disease that is characterized by the formation of lipid-rich plaques on the inner walls of the arteries. Inactive rhomboid protein 2 (iRhom2) was recently determined as a necessary regulator for the shedding of tumor necrosis factor-alpha (TNF-α) in immune cells. In the present study, we aimed to explore the effects of iRhom2 on the inflammatory response and oxidative stress induced by low-density lipoprotein (ox-LDL) in RAW264.7 and THP-1-derived macrophages...
August 7, 2018: Biochemical and Biophysical Research Communications
Heng Zhou, Ning Li, Yuan Yuan, Ya-Ge Jin, Haipeng Guo, Wei Deng, Qi-Zhu Tang
Cardiovascular diseases (CVDs) are the primary causes of death worldwide. Among the numerous signaling molecules involved in CVDs, transcriptional factors directly influence gene expression and play a critical role in regulating cell function and the development of diseases. Activating transcription factor (ATF) 3 is an adaptive-response gene in the ATF/cAMP responsive element-binding (CREB) protein family of transcription factors that acts as either a repressor or an activator of transcription via the formation of homodimers or heterodimers with other ATF/CREB members...
August 9, 2018: Basic Research in Cardiology
Salih Karahan, Baris Afsar, Mehmet Kanbay
Asymmetric dimethylarginine (ADMA), an endogenous nitric oxide synthase inhibitor, is related with impaired endothelial function and poor outcomes in chronic kidney disease (CKD) patients. In addition, oxidative stress and inflammation are also a common problem in CKD patients, and both have an important role in the development and progression of atherosclerosis and increased cardiovascular events in CKD. Ascorbic acid might be a promising agent in CKD for improving outcome by decreasing oxidative stress and ADMA levels...
August 2018: Clinical Kidney Journal
Xianli Wu, Thomas T Y Wang, Ronald L Prior, Pamela Pehrsson
The berry consumption have been associated with cardiovascular disease prevention in recent years. Atherosclerosis is one of the major causes of cardiovascular diseases. However, research on the prevention of atherosclerosis through consuming individual whole berries, specifically direct evidence, remains scarce. Therefore, further elucidating the role berries play in the prevention of atherosclerosis is warranted. In this perspective paper, blueberries were selected to articulate research strategies for studying athero-protective effects of berries...
August 9, 2018: Journal of Agricultural and Food Chemistry
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