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Atherosclerosis MMPs

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https://www.readbyqxmd.com/read/29163211/oxidative-stress-in-the-local-and-systemic-events-of-apical-periodontitis
#1
REVIEW
Patricia Hernández-Ríos, Pirkko J Pussinen, Rolando Vernal, Marcela Hernández
Oxidative stress is involved in the pathogenesis of a variety of inflammatory disorders. Apical periodontitis (AP) usually results in the formation of an osteolytic apical lesion (AL) caused by the immune response to endodontic infection. Reactive oxygen species (ROS) produced by phagocytic cells in response to bacterial challenge represent an important host defense mechanism, but disturbed redox balance results in tissue injury. This mini review focuses on the role of oxidative stress in the local and associated systemic events in chronic apical periodontitis...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29016728/augmented-th17-differentiation-in-trim21-deficiency-promotes-a-stable-phenotype-of-atherosclerotic-plaques-with-high-collagen-content
#2
Susanna Brauner, Xintong Jiang, Gudny Ella Thorlacius, Anna M Lundberg, Therese Östberg, Zhong-Qun Yan, Vijay K Kuchroo, Göran K Hansson, Marie Wahren-Herlenius
Aims: Patients with hyperlipidemia are at risk of atherosclerosis, but not all develop cardiovascular disease, highlighting the importance of other risk factors such as inflammation. Both the innate and adaptive arms of the immune system have been suggested in the initiation and propagation of plaque formation. Tri-partite motif (TRIM) 21 is a regulator of tissue inflammation and pro-inflammatory cytokine production, and has been implicated in chronic inflammatory disease. Here, we investigate a potential role for TRIM21 in coronary artery disease...
September 4, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28953404/targeted-polypharmacology-discovery-of-a-highly-potent-non-hydroxamate-dual-matrix-metalloproteinase-mmp-10-13-inhibitor
#3
Nicole Senn, Michael Ott, Jan Lanz, Rainer Riedl
Matrix metalloproteinases (MMPs) play a key role in many diseases like cancer, atherosclerosis or arthritis. Interest in MMP inhibition has been revitalized very recently as the knowledge on the underlying network of biological pathways is steadily growing. On the basis of this new insight into the relevance of MMP-10 and MMP-13 within the MMP network and the ban of hydroxamate inhibitors from clinical development, the discovery of non-hydroxamate multitarget drugs against specific MMPs is of foremost interest...
October 13, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28893577/metalloproteinases-in-atherosclerosis
#4
Jason L Johnson
Atherosclerosis underlies most cardiovascular diseases, and is accepted as a primary cause of mortality worldwide. Proteases have been implicated in the development and progression of atherosclerosis, due to their ability to provoke focal destruction of the vascular extracellular matrix. Members of the metalloproteinase family, especially matrix metalloproteinases (MMPs), and their endogenous tissue inhibitors (TIMPs) have been suggested to perform complex dual roles during late-stage progression and rupture of atherosclerotic plaques...
September 9, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28746820/the-role-of-damage-and-pathogen-associated-molecular-patterns-in-inflammation-mediated-vulnerability-of-atherosclerotic-plaques
#5
Vikrant Rai, Devendra K Agrawal
Atherosclerosis is a chronic inflammatory disease resulting in the formation of the atherosclerotic plaque. Plaque formation starts with the inflammation in fatty streaks and progresses through atheroma, atheromatous plaque, and fibroatheroma leading to development of stable plaque. Hypercholesterolemia, dyslipidemia, and hyperglycemia are the risk factors for atherosclerosis. Inflammation, infection with viruses and bacteria, and dysregulation in the endothelial and vascular smooth muscle cells leads to advanced plaque formation...
October 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28735290/membrane-tethered-metalloproteinase-expressed-by-vascular-smooth-muscle-cells-limits-the-progression-of-proliferative-atherosclerotic-lesions
#6
Richard H Barnes, Takeshi Akama, Miina K Öhman, Moon-Sook Woo, Julian Bahr, Stephen J Weiss, Daniel T Eitzman, Tae-Hwa Chun
BACKGROUND: The MMP (matrix metalloproteinase) family plays diverse and critical roles in directing vascular wall remodeling in atherosclerosis. Unlike secreted-type MMPs, a member of the membrane-type MMP family, MT1-MMP (membrane-type 1 MMP; MMP14), mediates pericellular extracellular matrix degradation that is indispensable for maintaining physiological extracellular matrix homeostasis. However, given the premature mortality exhibited by MT1-MMP-null mice, the potential role of the proteinase in atherogenesis remains elusive...
July 22, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28734077/integrative-studies-implicate-matrix-metalloproteinase-12-as-a-culprit-gene-for-large-artery-atherosclerotic-stroke
#7
H Mahdessian, L Perisic Matic, M Lengquist, K Gertow, B Sennblad, D Baldassarre, F Veglia, S E Humphries, R Rauramaa, U de Faire, A J Smit, P Giral, S Kurl, E Mannarino, E Tremoli, A Hamsten, P Eriksson, U Hedin, A Mälarstig
BACKGROUND: Ischaemic stroke and coronary heart disease are important contributors to the global disease burden and share atherosclerosis as the main underlying cause. Recent evidence from a genome-wide association study (GWAS) suggested that single nucleotide polymorphisms (SNP) near the MMP12 gene at chromosome 11q22.3 were associated with large-vessel ischaemic stroke. Here, we evaluated and extended these results by examining the relationship between MMP12 and atherosclerosis in clinical and experimental studies...
November 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28687781/p2x7-receptor-antagonism-modulates-il-1%C3%AE-and-mmp9-in-human-atherosclerotic-vessels
#8
Maria Lombardi, Maria Elena Mantione, Domenico Baccellieri, David Ferrara, Renata Castellano, Roberto Chiesa, Ottavio Alfieri, Chiara Foglieni
In atherosclerosis, matrix metallopeptidases (MMPs) contribute to plaque rupture through weakening of the fibrous cap. Pleiotropic P2X purinoceptor 7 (P2X7), expressed in the carotid plaque (PL), is involved in interleukin 1 beta (IL-1β) release that may influence MMP9 generation, thus their possible modulation through acting on P2X7 was investigated. P2X7-related machinery was characterized and the effects of P2X7 antagonists (A740003, KN62) and MMPs inhibitors (Batimastat, Ro28-2653) were studied in ex-vivo tissue cultures of human PL's vs...
July 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28662828/matrix-metalloproteinase-inhibitors-as-investigational-and-therapeutic-tools-in-unrestrained-tissue-remodeling-and-pathological-disorders
#9
Jie Liu, Raouf A Khalil
Matrix metalloproteinases (MMPs) are zinc-dependent proteolytic enzymes that degrade various proteins in the extracellular matrix (ECM). MMPs may also regulate the activity of membrane receptors and postreceptor signaling mechanisms and thereby affect cell function. The MMP family includes collagenases, gelatinases, stromelysins, matrilysins, membrane-type MMPs, and other MMPs. Inactive proMMPs are cleaved by other MMPs or proteases into active MMPs, which interact with various protein substrates in ECM and cell surface...
2017: Progress in Molecular Biology and Translational Science
https://www.readbyqxmd.com/read/28618427/matrix-metalloproteases-in-arterial-hypertension-and-their-trend-after-antihypertensive-treatment
#10
Eugenia Hopps, Rosalia Lo Presti, Gregorio Caimi
BACKGROUND/AIMS: Arterial hypertension is characterized by vascular remodelling, atherosclerosis and cardiovascular complications. Matrix metalloproteases (MPPs) are endopeptidases produced by all the cells present in the vascular wall and are involved in the regulation of the extracellular matrix protein turnover. MMPs contribute to blood vessel formation, remodelling, angiogenesis; whereas an altered expression or activity of MMPs or their tissue inhibitors (TIMPs) results correlated with the development and progression of cardiovascular complications...
2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28506859/the-obstructed-bladder-expression-of-collagen-matrix-metalloproteinases-muscarinic-receptors-and-angiogenic-and-neurotrophic-factors-in-patients-with-benign-prostatic-hyperplasia
#11
João Arthur Brunhara Alves Barbosa, Sabrina T Reis, Marco Nunes, Yuri A Ferreira, Katia R Leite, William C Nahas, Miguel Srougi, Alberto A Antunes
OBJECTIVE: To evaluate the gene expression of collagen, matrix metalloproteinases (MMPs) and inhibitors, cholinergic muscarinic receptors (CHRMs), and angiogenic and nerve growth factors (NGFs) in the bladder of patients with bladder outlet obstruction caused by benign prostatic hyperplasia (BPH). METHODS: We analyzed bladder specimens from 43 patients with obstructive BPH undergoing transurethral resection of the prostate as compared to 10 age-matched controls with an International Prostatic Symptom Score of <8 and a prostate volume of <30 g...
August 2017: Urology
https://www.readbyqxmd.com/read/28500763/crosstalk-between-enzyme-matrix-metalloproteinases-2-and-9-and-regulatory-t-cell-immunity-in-the-global-burden-of-atherosclerosis
#12
A Lekic, Z Brekalo, A Kvesic, M Kovacevic, Z Baricev-Novakovic, I Sutic, A Bulog, I Sutic, V Pavisic, I Mrakovcic-Sutic
Changes in immune and inflammatory responses may play a crucial role in the development and progression of atherosclerosis, as an autoimmune, chronic and progressive inflammatory disease. Immunological activity and vascular inflammation during atherosclerosis can be modulated by autoimmune responses against self-antigens, according to changeable risk factors (cholesterol, oxidized low-density lipoprotein (ox-LDL) in the vascular wall, fatty acids, etc.), and accompanied by accumulation of leucocytes and proinflammatory cytokines, which stimulate the transcription of matrix metalloproteinases (MMPs), whose concentration are increased in foam cell-rich regions...
July 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28424820/microparticles-during-long-term-follow-up-after-acute-myocardial-infarction-association-to-atherosclerotic-burden-and-risk-of-cardiovascular-events
#13
Christina Christersson, Åsa Thulin, Agneta Siegbahn
Microparticles (MPs) are formed from platelets (PMPs), endothelial cells (EMPs) and monocytes (MMPs), and in acute myocardial infarction (MI), there is an increase of MPs in the culprit artery. In this study MPs were evaluated in whole blood in 105 patients with MI at five time-points during a two-year follow-up (FU). Patients with non-ST-elevated MI had higher concentrations of CD41+MPs compared to ST-elevated MI patients (p=0.024). The concentrations of PMPs in whole blood increased during the time period (p<0...
July 26, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28413029/evidence-for-the-involvement-of-matrix-degrading-metalloproteinases-mmps-in-atherosclerosis
#14
REVIEW
Bethan A Brown, Helen Williams, Sarah J George
Atherosclerosis leads to blockage of arteries, culminating in myocardial infarction, and stroke. The involvement of matrix-degrading metalloproteinases (MMPs) in atherosclerosis is established and many studies have highlighted the importance of various MMPs in this process. MMPs were first implicated in atherosclerosis due to their ability to degrade extracellular matrix components, which can lead to increased plaque instability. However, more recent work has highlighted a multitude of roles for MMPs in addition to breakdown of extracellular matrix proteins...
2017: Progress in Molecular Biology and Translational Science
https://www.readbyqxmd.com/read/28413027/matrix-metalloproteinases-and-platelet-function
#15
REVIEW
Paolo Gresele, Emanuela Falcinelli, Manuela Sebastiano, Stefania Momi
Platelets contain and release several matrix metalloproteinases (MMPs) and their tissue inhibitors of matrix metalloproteinases (TIMPs), including MMP-1, -2, -3, -9, and -14 and TIMP-1, -2, and -4. Although devoid of a nucleus, platelets also synthesize TIMP-2 upon activation. Platelet-released MMPs/TIMPs, as well as MMPs generated by other cells within the cardiovascular system, modulate platelet function in health and disease. In particular, a normal hemostatic platelet response to vessel wall injury may be transformed into pathologic thrombus formation by the release from platelets and/or by the local generation of some MMPs...
2017: Progress in Molecular Biology and Translational Science
https://www.readbyqxmd.com/read/28254386/the-role-of-exercise-training-and-the-endocannabinoid-system-in-atherosclerotic-plaque-burden-and-composition-in-apo-e-deficient-mice
#16
Michalis Katsimpoulas, Nikolaos E Kadoglou, Petros Moustardas, Alkistis Kapelouzou, Eleni Dede, Nikolaos Kostomitsopoulos, Panayotis E Karayannacos, Alkiviadis Kostakis, Christos D Liapis
INTRODUCTION: We investigated the effect of combining exercise training and treatment with an endocannabinoid receptor 1 inhibitor (Rimonabant) on atherosclerosis burden and composition. METHODS: Forty-eight apolipoprotein E-deficient (ApoE-/-) mice were kept on a 16-week high-fat diet. Mice were then placed on a normal diet and were randomized to the following groups with n=12 mice for 6 more weeks: 1) Control (Co) - no intervention; 2) Exercise (Ex) - exercise training on treadmill; 3) Rimonabant (Ri) - oral administration of rimonabant (10 mg/kg/day); or 4) Rimonabant+Exercise (RiEx) - combination of Ri and Ex groups treatment...
November 2016: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28205286/association-of-mmp-9-gene-polymorphisms-with-nephrolithiasis-patients
#17
Atheer Awad Mehde, Wesen Adel Mehdi, Faridah Yusof, Raha Ahmed Raus, Zaima Azira Zainal Abidin, Hamid Ghazali, Azlina Abd Rahman
BACKGROUND: Nephrolithiasis is one of the causes which lead to chronic kidney disease (CKD). Matrix metalloproteinases (MMPs) are endopeptidases degrading extracellular matrix which correlate with the pathogenesis of atherosclerosis. The current study was designed to analyze the association of (R279Q, C1562T) polymorphism of MMP-9 with nephrolithiasis patients. METHODS: Genotyping of MMP-9/R279Q and of MMP-9/C1562T polymorphism were carried out by PCR-based restriction digestion method...
February 15, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28205274/genetic-variants-rs1994016-and-rs3825807-in-adamts7-affect-its-mrna-expression-in-atherosclerotic-occlusive-peripheral-arterial-disease
#18
Burcu Bayoglu, Caner Arslan, Cigdem Tel, Turgut Ulutin, Ahmet Dirican, Serkan Burc Deser, Mujgan Cengiz
AIM: Peripheral artery disease (PAD) is a vascular disease affecting peripheral circulation. Recently, genome-wide association studies revealed a relationship between single nucleotide polymorphisms (SNPs) in ADAMTS7 (a disintegrin and metalloprotease with thrombospondin motif 7) and atherosclerosis. In this study, we aimed to determine ADAMTS7 expression in peripheral blood mononuclear cells (PBMCs) and the frequency of ADAMTS7 rs1994016 and rs3825807 polymorphisms in a sample of Turkish patients with PAD, and to evaluate the association of matrix metalloproteinase (MMP) levels with PAD development...
February 15, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28155628/matrix-gelatinases-in-atherosclerosis-and-diabetic-nephropathy-progress-and-challenges
#19
Grigorios G Dimas, Triantafyllos P Didangelos, Dimitrios M Grekas
Matrix metalloproteinases (MMPs) are zinc-dependent proteases that degrade components of the extracellular matrix (ECM). In glomerular disease, MMPs are major regulators of ECM degradation as well as structural and functional integrity in the glomerulus. In altered matrix composition diseases, glomerular damage is due to increased degradation of kidney and vessel basement membranes (BMs) by MMPs. MMP -2 and -9 are both considered as the main enzymes that degrade collagen type-IV (coll-IV), which represents the key collagenous component of ECM and constitutes the architectural structure of vessels and glomerular BM...
February 2, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28128285/differentially-expressed-genes-and-canonical-pathway-expression-in-human-atherosclerotic-plaques-tampere-vascular-study
#20
Miska Sulkava, Emma Raitoharju, Mari Levula, Ilkka Seppälä, Leo-Pekka Lyytikäinen, Ari Mennander, Otso Järvinen, Rainer Zeitlin, Juha-Pekka Salenius, Thomas Illig, Norman Klopp, Nina Mononen, Reijo Laaksonen, Mika Kähönen, Niku Oksala, Terho Lehtimäki
Cardiovascular diseases due to atherosclerosis are the leading cause of death globally. We aimed to investigate the potentially altered gene and pathway expression in advanced peripheral atherosclerotic plaques in comparison to healthy control arteries. Gene expression analysis was performed (Illumina HumanHT-12 version 3 Expression BeadChip) for 68 advanced atherosclerotic plaques (15 aortic, 29 carotid and 24 femoral plaques) and 28 controls (left internal thoracic artery (LITA)) from Tampere Vascular Study...
January 27, 2017: Scientific Reports
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