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atherosclerosis, neutrophils

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https://www.readbyqxmd.com/read/29241668/neutrophil-to-lymphocyte-ratio-is-a-strong-predictor-of-atherosclerotic-carotid-plaques-in-older-adults
#1
T Corriere, S Di Marca, E Cataudella, A Pulvirenti, S Alaimo, B Stancanelli, L Malatino
BACKGROUND AND AIMS: The Neutrophil-to-Lymphocyte Ratio (NLR), an index of systemic inflammation, has been reported to be associated with subclinical atherosclerosis, but its predictive role of the presence of carotid atherosclerotic plaques remains undefined. This study aims to assess this association which gives additional value to this biomarker, with respect to the main risk factors, in the prediction of carotid atherosclerosis in older adults. METHODS AND RESULTS: We recruited 324 patients, aged ≥65 years, without hematopoietic disorders, and/or history of malignancies, evidence of acute infections, chronic inflammatory status, and history of glucocorticoid therapy within the past three months, hospitalized in the Unit of Internal Medicine, University of Catania, Catania, Italy from January 2014 to December 2016...
November 5, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/29220536/cd36-deficiency-attenuates-immune-mediated-hepatitis-in-mice-by-modulating-the-proapoptotic-effects-of-cxcl10
#2
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/29216392/dioxin-like-pcb-126-increases-systemic-inflammation-and-accelerates-atherosclerosis-in-lean-ldl-receptor-deficient-mice
#3
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
#4
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/29213284/circulatory-immune-cells-in-cushing-syndrome-bystanders-or-active-contributors-to-atherometabolic-injury-a-study-of-adhesion-and-activation-of-cell-surface-markers
#5
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/29205940/relation-of-serum-adma-apelin-13-and-lox-1-levels-with-inflammatory-and-echocardiographic-parameters-in-hemodialysis-patients
#6
Ibrahim Dogan, Tolga Dogan, Mucahit Yetim, Huseyin Kayadibi, Mehmet B Yilmaz, Baris Eser, Macit Kalcik, Yusuf Karavelioglu
Cardiovascular diseases are the leading causes of mortality in patients with chronic kidney disease. Nitric oxide has a critical role in both endothelial dysfunction and the atherosclerosis process. We aimed to investigate the relationships between serum asymmetric dimethyl arginine (ADMA), LOX-1, and Apelin-13 levels, which are known to act over nitric oxide with endothelial dysfunction and cardiac morphology as well as with each other in hemodialysis patients. The study comprised a total of 120 patients (53 females and 67 males) receiving hemodialysis three times a week for at least 6 months and an age-gender matched control group (55 females and 58 males)...
December 4, 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/29198385/platelet-derived-chemokines-in-inflammation-and-atherosclerosis
#7
Constantinos Bakogiannis, Marco Sachse, Kimon Stamatelopoulos, Konstantinos Stellos
Platelets are inflammatory a nuclear cells with a well-established role in the development and manifestation of atherosclerosis. Activated platelets secrete a plethora of chemokines including CXCL4 or platelet factor 4 (PF4), CCL5, CXCL12 or stromal cell derived factor-1α (SDF-1α), CXCL16 and others, which initiate or promote local inflammatory processes at sites of vascular injury. These processes are mainly mediated by the recruitment of circulating haematopoietic stem cells, neutrophils, monocytes or lymphocytes on vascular wall...
November 30, 2017: Cytokine
https://www.readbyqxmd.com/read/29196693/relationship-between-erectile-dysfunction-and-the-neutrophil-to-lymphocyte-and-platelet-to-lymphocyte-ratios
#8
Murat Sambel, Metin Kilic, Murat Demirbas, Efe Onen, Sedat Oner, Abdullah Erdogan, Mustafa Murat Aydos
The most important cause of erectile dysfunction (ED) among aging men is organic disease due to vascular disturbance that is often caused by atherosclerosis. Recently, studies have shown that atherosclerosis can manifest as an active inflammatory process rather than as passive vascular injury caused by lipid infiltration. Our study aimed to examine the association of ED with the neutrophil/lymphocyte ratio (NLR) and the platelet/lymphocyte ratio (PLR), both of which are markers of inflammation. Between December 2014 and May 2015, 101 male patients aged 40-70 years who were seen at our institute due to ED were included in this study...
December 1, 2017: International Journal of Impotence Research
https://www.readbyqxmd.com/read/29178039/platelet-neutrophil-interactions-as-drivers-of-inflammatory-and-thrombotic-disease
#9
REVIEW
Ton Lisman
Neutrophils are well known for their role in infection and inflammatory disease and are first responders at sites of infection or injury. Platelets have an established role in hemostasis and thrombosis and are first responders at sites of vascular damage. However, neutrophils are increasingly recognized for their role in thrombosis, while the immunemodulatory properties of platelets are being increasingly studied. Platelets and neutrophils interact during infection, inflammation and thrombosis and modulate each other's functions...
November 25, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/29163665/chlorinative-stress-in-age-related-diseases-a-literature-review
#10
REVIEW
Marco Casciaro, Eleonora Di Salvo, Elisabetta Pace, Elvira Ventura-Spagnolo, Michele Navarra, Sebastiano Gangemi
Aging is an agglomerate of biological long-lasting processes that result being inevitable. Main actors in this scenario are both long-term inflammation and oxidative stress. It has been proved that oxidative stress induce alteration in proteins and this fact itself is critically important in the pathophysiological mechanisms leading to diseases typical of aging. Among reactive species, chlorine ones such as hypochlorous acid (HOCl) are cytotoxic oxidants produced by activated neutrophils during chronic inflammation processes...
2017: Immunity & Ageing: I & A
https://www.readbyqxmd.com/read/29127585/the-regulation-effect-of-ampk-in-immune-related-diseases
#11
REVIEW
Jing Wang, Zhenyu Li, Li Gao, Yanshuang Qi, Haibo Zhu, Xuemei Qin
AMP-activated protein kinase (AMPK) is a sensor of cellular energy status that plays a key role in energetic metabolism regulation. Metabolic changes in immune cells, such as dendritic cell (DC), macrophages, neutrophils and lymphocytes that participate in the signal directed programs that promote or inhibit immune mediated diseases, including cancer, atherosclerosis and inflammatory diseases. Multiple pathogenic mechanisms are involved in the initiation and progression of disease, and many pathways have been uncovered...
November 8, 2017: Science China. Life Sciences
https://www.readbyqxmd.com/read/29091929/the-cathelicidin-protein-cramp-is-a-potential-atherosclerosis-self-antigen-in-apoe-mice
#12
Peter M Mihailovic, Wai Man Lio, Juliana Yano, Xiaoning Zhao, Jianchang Zhou, Kuang-Yuh Chyu, Prediman K Shah, Bojan Cercek, Paul C Dimayuga
Auto-immunity is believed to contribute to inflammation in atherosclerosis. The antimicrobial peptide LL-37, a fragment of the cathelicidin protein precursor hCAP18, was previously identified as an autoantigen in psoriasis. Given the reported link between psoriasis and coronary artery disease, the biological relevance of the autoantigen to atherosclerosis was tested in vitro using a truncated (t) form of the mouse homolog of hCAP18, CRAMP, on splenocytes from athero-prone ApoE(-/-) mice. Stimulation with tCRAMP resulted in increased CD8+ T cells with Central Memory and Effector Memory phenotypes in ApoE(-/-) mice, differentially activated by feeding with normal chow or high fat diet...
2017: PloS One
https://www.readbyqxmd.com/read/29089753/high-prevalence-of-copd-in-atherosclerosis-patients
#13
Izabela Tuleta, Tarik Farrag, Laura Busse, Carmen Pizarro, Christian Schaefer, Simon Pingel, Georg Nickenig, Dirk Skowasch, Nadjib Schahab
Atherosclerosis and COPD are both systemic inflammatory diseases that may influence each other. The aim of the present study was to determine the prevalence of COPD in patients with cerebral and/or peripheral artery disease and to assess factors associated with the presence of COPD. Following the diagnosis of cerebral and/or peripheral artery disease by means of duplex sonography, 166 consecutive patients underwent body plethysmography with capillary blood gas analysis. Thereafter, blood tests with determination of different parameters such as lipid profile, inflammatory and coagulation markers were conducted in remaining 136 patients who fulfilled inclusion criteria of the study...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29055824/selenium-containing-indolyl-compounds-kinetics-of-reaction-with-inflammation-associated-oxidants-and-protective-effect-against-oxidation-of-extracellular-matrix-proteins
#14
Angela M Casaril, Marta T Ignasiak, Christine Y Chuang, Beatriz Vieira, Nathalia B Padilha, Luke Carroll, Eder J Lenardão, Lucielli Savegnago, Michael J Davies
Activated white blood cells generate multiple oxidants in response to invading pathogens. Thus, hypochlorous acid (HOCl) is generated via the reaction of myeloperoxidase (from neutrophils and monocytes) with hydrogen peroxide, and peroxynitrous acid (ONOOH), a potent oxidizing and nitrating agent is formed from superoxide radicals and nitric oxide, generated by stimulated macrophages. Excessive or misplaced production of these oxidants has been linked to multiple human pathologies, including cardiovascular disease...
October 18, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29038592/in-vivo-imaging-of-lung-inflammation-with-neutrophil-specific-68-ga-nano-radiotracer
#15
Juan Pellico, Ana V Lechuga-Vieco, Elena Almarza, Andrés Hidalgo, Cristina Mesa-Nuñez, Irene Fernández-Barahona, Juan A Quintana, Juan Bueren, Jose A Enríquez, Jesús Ruiz-Cabello, Fernando Herranz
In vivo detection and quantification of inflammation is a major goal in molecular imaging. Furthermore, cell-specific detection of inflammation would be a tremendous advantage in the characterization of many diseases. Here, we show how this goal can be achieved through the synergistic combination of nanotechnology and nuclear imaging. One of the most remarkable features of this hybrid approach is the possibility to tailor the pharmacokinetics of the nanomaterial-incorporated biomolecule and radionuclide. A good example of this approach is the covalent binding of a large amount of a neutrophil-specific, hydrophobic peptide on the surface of (68)Ga core-doped nanoparticles...
October 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28963578/detection-of-human-neutrophil-elastase-by-aptamer-affinity-capillary-electrophoresis-coupled-with-laser-induced-fluorescence-using-specified-site-fluorescently-labeled-aptamer
#16
Yunlong Bai, Hailin Wang, Qiang Zhao
As a multifunctional serine protease, human neutrophil elastase (HNE) plays critical roles in a variety of physiopathological processes, such as acute lung injury, emphysema, atherosclerosis, and arthritis. The quantification of HNE is important in many applications. In this paper, we report an aptamer affinity capillary electrophoresis coupled with laser-induced fluorescence (CE-LIF) assay for detection of HNE using a tetramethylrhodamine (TMR)-labeled DNA aptamer probe. The affinity complex of HNE and DNA aptamer probe was well separated from the unbound aptamer probe in CE separation based on the difference of electrophoretic mobility...
September 29, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28916789/whole-body-and-hematopoietic-adam8-deficiency-does-not-influence-advanced-atherosclerotic-lesion-development-despite-its-association-with-human-plaque-progression
#17
Kosta Theodorou, Emiel P C van der Vorst, Marion J Gijbels, Ine M J Wolfs, Mike Jeurissen, Thomas L Theelen, Judith C Sluimer, Erwin Wijnands, Jack P Cleutjens, Yu Li, Yvonne Jansen, Christian Weber, Andreas Ludwig, Jacob F Bentzon, Jörg W Bartsch, Erik A L Biessen, Marjo M P C Donners
Although A Disintegrin And Metalloproteinase 8 (ADAM8) is not crucial for tissue development and homeostasis, it has been implicated in various inflammatory diseases by regulating processes like immune cell recruitment and activation. ADAM8 expression has been associated with human atherosclerosis development and myocardial infarction, however a causal role of ADAM8 in atherosclerosis has not been investigated thus far. In this study, we examined the expression of ADAM8 in early and progressed human atherosclerotic lesions, in which ADAM8 was significantly upregulated in vulnerable lesions...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28912780/inflammatory-markers-for-arterial-stiffness-in-cardiovascular-diseases
#18
REVIEW
Ioana Mozos, Clemens Malainer, Jarosław Horbańczuk, Cristina Gug, Dana Stoian, Constantin Tudor Luca, Atanas G Atanasov
Arterial stiffness predicts an increased risk of cardiovascular events. Inflammation plays a major role in large arteries stiffening, related to atherosclerosis, arteriosclerosis, endothelial dysfunction, smooth muscle cell migration, vascular calcification, increased activity of metalloproteinases, extracellular matrix degradation, oxidative stress, elastolysis, and degradation of collagen. The present paper reviews main mechanisms explaining the crosstalk between inflammation and arterial stiffness and the most common inflammatory markers associated with increased arterial stiffness, considering the most recent clinical and experimental studies...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28910300/acute-and-chronic-effects-of-treatment-with-mesenchymal-stromal-cells-on-lps-induced-pulmonary-inflammation-emphysema-and-atherosclerosis-development
#19
P Padmini S J Khedoe, Stan de Kleijn, Annemarie M van Oeveren-Rietdijk, Jaap J Plomp, Hetty C de Boer, Melissa van Pel, Patrick C N Rensen, Jimmy F P Berbée, Pieter S Hiemstra
BACKGROUND: COPD is a pulmonary disorder often accompanied by cardiovascular disease (CVD), and current treatment of this comorbidity is suboptimal. Systemic inflammation in COPD triggered by smoke and microbial exposure is suggested to link COPD and CVD. Mesenchymal stromal cells (MSC) possess anti-inflammatory capacities and MSC treatment is considered an attractive treatment option for various chronic inflammatory diseases. Therefore, we investigated the immunomodulatory properties of MSC in an acute and chronic model of lipopolysaccharide (LPS)-induced inflammation, emphysema and atherosclerosis development in APOE*3-Leiden (E3L) mice...
2017: PloS One
https://www.readbyqxmd.com/read/28899799/neutrophil-extracellular-traps-nets-in-autoimmune-diseases-a-comprehensive-review
#20
REVIEW
Keum Hwa Lee, Andreas Kronbichler, David Duck-Young Park, YoungMin Park, Hanwool Moon, Hyungdo Kim, Jun Hyug Choi, YoungSeo Choi, Songjoo Shim, Il Suk Lyu, Byung Hwan Yun, Yeonseung Han, Donghee Lee, Sang Yoon Lee, Byung Hun Yoo, Kyung Hwan Lee, Tai Lim Kim, Heonki Kim, Joo Sung Shim, Wonseok Nam, Heesung So, SooYeon Choi, Sangmok Lee, Jae Il Shin
Neutrophil extracellular traps (NETs) are fibrous networks which protrude from the membranes of activated neutrophils. NETs are found in a variety of conditions such as infection, malignancy, atherosclerosis, and autoimmune diseases including rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), anti-neutrophil cytoplasmic antibodies (ANCA)-associated vasculitis (AAV), psoriasis, and gout. Studies suggest that an imbalance between "NETosis," which is a process by which NETs are formed, and NET degradation may be associated with autoimmune diseases...
September 9, 2017: Autoimmunity Reviews
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