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https://www.readbyqxmd.com/read/28419534/endocrine-imbalance-associated-with-proteome-changes-in-diabetes
#1
Amr A Sayed, Ahmed M Alhawary, Aboalela Farag, Dina R Johar, Larry H Bernstein
The dynamics of cellular metabolism involves rapid interactions between proteins and nucleotides, proteins and proteins, proteins and mRNA, the action of miRNA, and signaling. These also involve the interactions with respect to the sulfur bond, oxygen radicals that initiate a change in conformation and a chain of events. We review a development in molecular medicine that is a very promising work in progress. We also review the current and future research methods involving mitochondria. Long-term effects of diabetes include glycation of proteins, e...
April 17, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28373994/neutrophil-extracellular-traps-and-microcrystals
#2
REVIEW
Balázs Rada
Neutrophil extracellular traps represent a fascinating mechanism by which PMNs entrap extracellular microbes. The primary purpose of this innate immune mechanism is thought to localize the infection at an early stage. Interestingly, the ability of different microcrystals to induce NET formation has been recently described. Microcrystals are insoluble crystals with a size of 1-100 micrometers that have different composition and shape. Microcrystals have it in common that they irritate phagocytes including PMNs and typically trigger an inflammatory response...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28322000/postprandial-triglyceride-rich-lipoproteins-promote-lipid-accumulation-and-apolipoprotein-b-48-receptor-transcriptional-activity-in-human-circulating-and-murine-bone-marrow-neutrophils-in-a-fatty-acid-dependent-manner
#3
Almudena Ortega-Gómez, Lourdes M Varela, Sergio Lopez, Sergio Montserrat de la Paz, Rosario Sanchez, Francisco J G Muriana, Beatriz Bermúdez, Rocío Abia
SCOPE: Postprandial triglyceride-rich lipoproteins (TRLs) promote atherosclerosis. Recent research points the bone marrow (BM) as a primary site in atherosclerosis. We elucidated how the acute administration of MUFAs, omega-3 PUFAs and saturated fatty acids (SFAs) affects human circulating and murine BM neutrophil lipid accumulation and functionality. METHODS AND RESULTS: Postprandial hypertriglyceridemia was induced in healthy subjects and Apoe-/- mice by the acute administration of dietary fats enriched in MUFAs, PUFAs or SFAs...
March 21, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28300335/risk-factors-for-cardiovascular-disease-in-patients-with-hidradenitis-suppurativa
#4
Caroline Vinkel, Simon Francis Thomsen
We read with great interest the article by Pascual et al., in which subclinical atherosclerosis in patients with hidradenitis suppurativa (HS) was assessed using carotid ultrasound. They found a higher prevalence of subclinical atherosclerosis in HS patients (30.7%) compared with controls (16.1%) and the association was significant in patients 40 years and older. Furthermore, traditional cardiovascular (CV) risk factors like hypertension (41.9%), diabetes mellitus (22.6%), and metabolic syndrome (38.7%) along with elevated systemic inflammatory markers including high-sensitivity C-reactive protein (Hs-CRP) (61...
March 16, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28292897/inhibition-of-atherogenesis-by-the-cop9-signalosome-subunit-5-in-vivo
#5
Yaw Asare, Miriam Ommer, Florence A Azombo, Setareh Alampour-Rajabi, Marieke Sternkopf, Maryam Sanati, Marion J Gijbels, Corinna Schmitz, Dzmitry Sinitski, Pathricia V Tilstam, Hongqi Lue, André Gessner, Denise Lange, Johannes A Schmid, Christian Weber, Martin Dichgans, Joachim Jankowski, Ruggero Pardi, Menno P J de Winther, Heidi Noels, Jürgen Bernhagen
Constitutive photomorphogenesis 9 (COP9) signalosome 5 (CSN5), an isopeptidase that removes neural precursor cell-expressed, developmentally down-regulated 8 (NEDD8) moieties from cullins (thus termed "deNEDDylase") and a subunit of the cullin-RING E3 ligase-regulating COP9 signalosome complex, attenuates proinflammatory NF-κB signaling. We previously showed that CSN5 is up-regulated in human atherosclerotic arteries. Here, we investigated the role of CSN5 in atherogenesis in vivo by using mice with myeloid-specific Csn5 deletion...
March 28, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28291548/the-role-of-interleukin-17a-in-the-pathogenesis-of-kidney-diseases
#6
REVIEW
Charlotte Cortvrindt, Reinhart Speeckaert, Alena Moerman, Joris R Delanghe, Marijn M Speeckaert
Being a member of the IL-17 family, comprising six structurally related ligands, IL-17A is a cytokine, produced by multiple cell types, such as CD4(+)αβ T cells, γδ T cells, natural killer cells, neutrophils, macrophages, dendritic cells, lymphoid tissue inducer cells, mast cells and plasma cells. IL-17A participates in tissue inflammation by inducing the expression of chemokines, proinflammatory cytokines and matrix metalloproteases. Besides its role in host defence against infectious diseases, IL-17A is involved in different autoimmune and inflammatory diseases...
April 2017: Pathology
https://www.readbyqxmd.com/read/28280728/the-neutrophil-lymphocyte-ratio-is-associated-with-coronary-artery-calcification-in-asymptomatic-korean-males-a-cross-sectional-study
#7
Su-Hyun Nam, Sung-Goo Kang, Sang-Wook Song
Introduction. The neutrophil-lymphocyte ratio (NLR) is a significant systemic predictor of cardiovascular disease (CVD). The coronary artery calcium score (CACS) reflects coronary artery calcification and is an independent risk factor for coronary artery stenosis. In the present study, we explored the relationship between the NLR and CACS in terms of subclinical inflammation and coronary artery calcification. Materials and Methods. We evaluated males and females who did not have CVD, diabetes, high blood pressure, or high fasting blood sugar levels...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28279551/neutrophil-to-lymphocyte-ratio-correlates-with-severity-of-extracranial-carotid-stenosis-a-study-using-digital-subtraction-angiography
#8
Hong Jiang, Jun Zhang, Jian Wu, Guangru Wei, Yang He, Xuguang Gao
OBJECTIVE: Although neutrophil-to-lymphocyte ratio (NLR) has been reported to correlate with subclinical atherosclerosis, little is known about the relationship between NLR and carotid stenosis. METHODS: Only patients with extracranial carotid stenosis in digital subtraction angiography (N = 105) were enrolled in this study. Maximal and accumulated extracranial carotid artery stenosis was measured. Stepwise multiple linear regression was performed to identify independent factors associated with maximal and accumulated extracranial carotid artery stenosis...
March 6, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28265093/common-coding-variant-in-serpina1-increases-the-risk-for-large-artery-stroke
#9
Rainer Malik, Therese Dau, Maria Gonik, Anirudh Sivakumar, Daniel J Deredge, Evgeniia V Edeleva, Jessica Götzfried, Sander W van der Laan, Gerard Pasterkamp, Nathalie Beaufort, Susana Seixas, Steve Bevan, Lisa F Lincz, Elizabeth G Holliday, Annette I Burgess, Kristiina Rannikmäe, Jens Minnerup, Jennifer Kriebel, Melanie Waldenberger, Martina Müller-Nurasyid, Peter Lichtner, Danish Saleheen, Peter M Rothwell, Christopher Levi, John Attia, Cathie L M Sudlow, Dieter Braun, Hugh S Markus, Patrick L Wintrode, Klaus Berger, Dieter E Jenne, Martin Dichgans
Large artery atherosclerotic stroke (LAS) shows substantial heritability not explained by previous genome-wide association studies. Here, we explore the role of coding variation in LAS by analyzing variants on the HumanExome BeadChip in a total of 3,127 cases and 9,778 controls from Europe, Australia, and South Asia. We report on a nonsynonymous single-nucleotide variant in serpin family A member 1 (SERPINA1) encoding alpha-1 antitrypsin [AAT; p.V213A; P = 5.99E-9, odds ratio (OR) = 1.22] and confirm histone deacetylase 9 (HDAC9) as a major risk gene for LAS with an association in the 3'-UTR (rs2023938; P = 7...
April 4, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28211537/ambient-ultrafine-particle-ingestion-alters-gut-microbiota-in-association-with-increased-atherogenic-lipid-metabolites
#10
Rongsong Li, Jieping Yang, Arian Saffari, Jonathan Jacobs, Kyung In Baek, Greg Hough, Muriel H Larauche, Jianguo Ma, Nelson Jen, Nabila Moussaoui, Bill Zhou, Hanul Kang, Srinivasa Reddy, Susanne M Henning, Matthew J Campen, Joseph Pisegna, Zhaoping Li, Alan M Fogelman, Constantinos Sioutas, Mohamad Navab, Tzung K Hsiai
Ambient particulate matter (PM) exposure is associated with atherosclerosis and inflammatory bowel disease. Ultrafine particles (UFP, dp < 0.1-0.2 μm) are redox active components of PM. We hypothesized that orally ingested UFP promoted atherogenic lipid metabolites in both the intestine and plasma via altered gut microbiota composition. Low density lipoprotein receptor-null (Ldlr(-/-)) mice on a high-fat diet were orally administered with vehicle control or UFP (40 μg/mouse/day) for 3 days a week...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28209798/neutrophil-extracellular-traps-in-atherosclerosis-and-atherothrombosis
#11
REVIEW
Yvonne Döring, Oliver Soehnlein, Christian Weber
Neutrophil extracellular traps expelled from suicidal neutrophils comprise a complex structure of nuclear chromatin and proteins of nuclear, granular, and cytosolic origin. These net-like structures have also been detected in atherosclerotic lesions and arterial thrombi in humans and mice. Functionally, neutrophil extracellular traps have been shown to induce activation of endothelial cells, antigen-presenting cells, and platelets, resulting in a proinflammatory immune response. Overall, this suggests that they are not only present in plaques and thrombi but also they may play a causative role in triggering atherosclerotic plaque formation and arterial thrombosis...
February 17, 2017: Circulation Research
https://www.readbyqxmd.com/read/28194569/the-role-of-inflammation-in-cardiovascular-outcome
#12
REVIEW
Fabrizio Montecucco, Luca Liberale, Aldo Bonaventura, Alessandra Vecchiè, Franco Dallegri, Federico Carbone
PURPOSE OF REVIEW: The aim of this review is to update the pathophysiological role of innate immune response in the cardiovascular (CV) disease outcomes, particularly focusing on coronary atherosclerosis and heart failure. RECENT FINDINGS: Inflammatory processes comprised with the innate immunity reaction are believed to actively trigger CV disease development and final clinical events. For instance, by releasing proteases and neutrophil extracellular traps, neutrophil recruitment and activation might strongly influence atherosclerotic plaque stability...
March 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28166283/metalloproteinase-9-contributes-to-endothelial-dysfunction-in-atherosclerosis-via-protease-activated-receptor-1
#13
Jon M Florence, Agnieszka Krupa, Laela M Booshehri, Timothy C Allen, Anna K Kurdowska
The atherosclerotic process begins when vascular endothelial cells undergo pro-inflammatory changes such as aberrant activation to dysfunctional phenotypes and apoptosis, leading to loss of vascular integrity. Our laboratory has demonstrated that exposure of mice to second hand smoke triggers an increase in expression of metalloproteinase-9. Further, metalloproteinase-9 released by second hand smoke-activated leukocytes may propagate pro-atherogenic alterations in endothelial cells. We have shown that levels of metalloproteinase-9 were increased in the plasma from apolipoprotein E deficient (ApoE-/-) mice exposed to second hand smoke relative to non-exposed controls...
2017: PloS One
https://www.readbyqxmd.com/read/28162903/the-relationship-between-neutrophil-to-lymphocyte-ratio-and-aortic-arch-calcification-in-ischemic-stroke-patients
#14
Shuyu Zhou, Biyang Cai, Yumeng Zhang, Li Wang, Xinfeng Liu, Gelin Xu
BACKGROUND: Inflammation plays a central role in atherogenesis and artery calcification. Although neutrophil-to-lymphocyte ratio (NLR) has been introduced as an inflammatory marker for atherosclerosis, the relationship between NLR and aortic arch calcification (AAC) has not been studied. This study aimed to determine the association between NLR and AAC. METHODS: A total of 749 participants were enrolled. Demographic and clinical data were collected. Degree of AAC in each enrolled patient was determined with Agatston method based on a neck computed tomography angiography...
February 2, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28150588/inhibition-of-kupffer-cell-functions-modulates-arsenic-intoxication-in-wistar-rats
#15
Oluyomi S Adeyemi, Ekong Meyakno, Musbau A Akanji
Study determined the influence of the inhibition of Kupffer cell functions by GdCl3 in arsenic intoxication. Twenty-four Wistar rats weighing between 150 and 160 g were randomly assigned into four groups. Group 1 received sodium arsenite (1.5 mg/kg b.w.) once a day, Group 2 received GdCl3 (2 mg/kg b.w.) once, 24 hours before commencing the arsenite (1.5 mg/kg b.w.) treatment. Group 3 received GdCl3 (2 mg/kg b.w.) once and subsequently given distilled water. Group 4 received distilled water only. The treatments were daily by oral gavage and lasted for 28 days...
February 2, 2017: General Physiology and Biophysics
https://www.readbyqxmd.com/read/28144449/intermediate-risk-chronic-stable-angina-neutrophil-lymphocyte-ratio-and-fibrinogen-levels-improved-predicting-angiographically-detected-coronary-artery-disease
#16
Habib Haybar, Ahmad Ahmadzadeh, Ahmadreza Assareh, Nader Afshari, Mohammadreza Bozorgmanesh, Mahdis Vakili
BACKGROUND: Coronary heart disease (CHD) is the leading cause of death worldwide. Research indicates that coronary atherosclerosis is the most frequent cause of CHD. Evidence is scarce concerning the clinical efficacy of fibrinogen or neutrophil-lymphocyte ratio (NLR) measurement in risk-stratifying patients with chronic stable angina. OBJECTIVES: To examine the independent and incremental prognostic value of fibrinogen and neutrophil-lymphocyte ratio (NLR) for angiographically-detected coronary artery disease (CAD)...
September 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28111237/human-neutrophil-peptide-1-limits-hypercholesterolemia-induced-atherosclerosis-by-increasing-hepatic-ldl-clearance
#17
Nicole Paulin, Yvonne Döring, Sander Kooijman, Xavier Blanchet, Joana R Viola, Renske de Jong, Manuela Mandl, Jeffrey Hendrikse, Maximilian Schiener, Philipp von Hundelshausen, Anja Vogt, Christian Weber, Khalil Bdeir, Susanna M Hofmann, Patrick C N Rensen, Maik Drechsler, Oliver Soehnlein
Increases in plasma LDL-cholesterol have unequivocally been established as a causal risk factor for atherosclerosis. Hence, strategies for lowering of LDL-cholesterol may have immediate therapeutic relevance. Here we study the role of human neutrophil peptide 1 (HNP1) in a mouse model of atherosclerosis and identify its potent atheroprotective effect both upon transgenic overexpression and therapeutic delivery. The effect was found to be due to a reduction of plasma LDL-cholesterol. Mechanistically, HNP1 binds to apolipoproteins enriched in LDL...
February 2017: EBioMedicine
https://www.readbyqxmd.com/read/28098108/the-relationship-between-mean-platelet-volume-and-neutrophil-lymphocyte-ratio-with-inflammation-and-proteinuria-in-chronic-kidney-disease
#18
Gulay Yilmaz, Can Sevinc, Sedat Ustundag, Yasemin Coskun Yavuz, Tuba Hacıbekiroglu, Esra Hatipoglu, Mehmet Baysal
Atherosclerosis, which develops as a result of inflammation, is the most important cause of morbidity and mortality in chronic kidney disease (CKD). In this study, we investigated the relationship of mean platelet volume (MPV) and neutrophil/lymphocyte ratio (NLR) with inflammation and proteinuria in patients with CKD Stage 3-4. Healthy individuals who applied to nephrology clinic for checkup purposes acted as controls. Fifty-three patients and 30 healthy controls were included in the study. Patients with diabetes mellitus, active infection, malignancy, and coronary artery disease were excluded from the study...
January 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28062502/targeting-elastase-for-molecular-imaging-of-early-atherosclerotic-lesions
#19
Almut Glinzer, Xiaopeng Ma, Jaya Prakash, Melanie A Kimm, Fabian Lohöfer, Katja Kosanke, Jaroslav Pelisek, Moritz P Thon, Sandra Vorlova, Katrin G Heinze, Hans-Henning Eckstein, Michael W Gee, Vasilis Nitziachristos, Alma Zernecke, Moritz Wildgruber
OBJECTIVE: Neutrophils accumulate in early atherosclerotic lesions and promote lesion growth. In this study, we evaluated an elastase-specific near-infrared imaging agent for molecular imaging using hybrid fluorescence molecular tomography/x-ray computed tomography. APPROACH AND RESULTS: Murine neutrophils were isolated from bone marrow and incubated with the neutrophil-targeted near-infrared imaging agent Neutrophil Elastase 680 FAST for proof of principle experiments, verifying that the elastase-targeted fluorescent agent is specifically cleaved and activated by neutrophil content after lysis or cell stimulation...
December 29, 2016: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28034277/the-two-faces-of-interleukin-17a-in-atherosclerosis
#20
Mohammadreza Akhavanpoor, Hamidreza Akhavanpoor, Christian A Gleissner, Susanne Wangler, Andreas O Doesch, Hugo A Katus, Christian Erbel
A complex network of different cytokines and chemokines modulate atherosclerosis, a chronic inflammatory disease. Interleukin-17A (IL-17A) is expressed by different leukocyte subsets such as CD4+IL-17+ T cells (Th17), γδ T cells, natural killer cells, natural killer T cells, and neutrophils. IL-17A plays an important role in host defense and is involved in the pathology of different autoimmune and inflammatory diseases. Recent studies demonstrate an association of IL-17A with atherosclerosis. IL-17A seems to have primarily pro-inflammatory effects in atherogenesis, although there are partially controversial results in the literature...
December 29, 2016: Current Drug Targets
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