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Cardiovascular pathology

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https://www.readbyqxmd.com/read/29679365/influence-of-gaseous-pollutants-on-copd-exacerbations-in-patients-with-cardiovascular-comorbidities
#1
Michal Zielinski, Mariusz Gasior, Dariusz Jastrzebski, Aneta Desperak, Dariusz Ziora
Exacerbations of chronic obstructive pulmonary disease (COPD) are a serious public health issue. Ambient pollution and meteorological factors are considered among precipitating factors. There are few data concerning the impact of ambient pollutants other than particulates on COPD exacerbations. Among gaseous pollutants four main groups of substances are primarily monitored: nitrogen oxides (NOx), sulphur dioxide (SO2 ), carbon monoxide (CO), and ozone (O3 ). In this study, 12,889 hospitalizations in the years 2006-2014 due to exacerbations of COPD in patients having a co-existing cardiovascular pathology were retrospectively analyzed...
April 21, 2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29679303/do-the-sglt-2-inhibitors-offer-more-than-hypoglycemic-activity
#2
REVIEW
Eduardo Flores, Carlos G Santos-Gallego, Nely Diaz-Mejía, Juan Jose Badimon
Type 2 diabetes mellitus (T2DM) is one of the most common chronic health conditions in the USA; it affects approximately 10% of adults with up to one-quarter being undiagnosed. T2DM is associated with substantial cardiovascular (CV) morbidity and mortality. T2DM is a pathological condition characterized by elevated levels of glucose and associated with high CV risk. Traditional hypoglycemic drugs have demonstrated their capability for effective and maintained management of high glucose levels, but they have not significantly impacted on the incidence of CV events...
April 20, 2018: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/29679215/diagnostic-role-of-serum-tryptase-in-anaphylactic-deaths-in-forensic-medicine-a-systematic-review-and-meta-analysis
#3
REVIEW
Kai-Jian Sun, Jie-Tao He, Hong-Yan Huang, Ye Xue, Xiao-Li Xie, Qi Wang
Postmortem diagnosis of sudden death due to anaphylaxis can be very difficult due to the non-specific pathological findings in forensic practice. Postmortem serum tryptase has been used as an indicator of possible ante-mortem anaphylaxis. Though many previous studies have been conducted to explore the diagnostic significance of serum tryptase for lethal anaphylaxis, inconsistent results were documented. In this study, we made a retrospective study and presented a systematic review and meta-analysis that aims to summarize the diagnostic significance of postmortem serum tryptase in the deceased with and without anaphylactic shock and to calculate a cutoff value for future reference in the identification of deaths due to anaphylactic shock...
April 21, 2018: Forensic Science, Medicine, and Pathology
https://www.readbyqxmd.com/read/29678287/novel-mechanisms-of-g-protein-coupled-receptors-functions-at-1-angiotensin-receptor-acts-as-a-signaling-hub-and-focal-point-of-receptor-cross-talk
#4
REVIEW
András D Tóth, Gábor Turu, László Hunyady, András Balla
AT1 angiotensin receptor (AT1 R), a prototypical G protein-coupled receptor (GPCR), is the main receptor, which mediates the effects of the renin-angiotensin system (RAS). AT1 R plays a crucial role in the regulation of blood pressure and salt-water homeostasis, and in the development of pathological conditions, such as hypertension, heart failure, cardiovascular remodeling, renal fibrosis, inflammation, and metabolic disorders. Stimulation of AT1 R leads to pleiotropic signal transduction pathways generating arrays of complex cellular responses...
April 2018: Best Practice & Research. Clinical Endocrinology & Metabolism
https://www.readbyqxmd.com/read/29674478/quadruple-valve-replacement-in-a-patient-with-severe-rheumatic-heart-disease
#5
Isaac Adembesa, Adriaan Myburgh, Justiaan Swanevelder
INTRODUCTION: RHD is the leading cause of cardiovascular morbidity and mortality among young people. TOE is valuable in confirming valvular heart pathology. DISCUSSION: We present a patient with severe rheumatic heart disease involving all the heart valves. TOE confirmed severe mitral stenosis, severe aortic regurgitation, severe tricuspid regurgitation and stenosis and severe pulmonary stenosis. This was consistent with TTE findings preoperatively. The patient underwent successful quadruple valve replacement in a single operation...
April 19, 2018: Echo Research and Practice
https://www.readbyqxmd.com/read/29673103/allopurinol-and-endothelial-function-a-systematic-review-with-meta-analysis-of-randomized-controlled-trials
#6
Manal M Alem
AIM: Oxidative stress and endothelial dysfunction are two inter-related conditions commonly seen in patients with cardiovascular risk factors. The enzyme, xanthine oxidase, is an important contributor to these phenomena but to a variable degree in different patient populations. This meta-analysis will summarize the effect of allopurinol, an established xanthine oxidase inhibitor, on endothelial function among patients with different co-morbidities. METHODS: Medline Complete, PubMed, ProQuest, ClinicalKey, Wiley Online Library and Cochrane Central Register of Controlled Trials were searched till 29th July, 2017...
April 19, 2018: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/29670462/protective-effects-of-hydroxychloroquine-against-accelerated-atherosclerosis-in-systemic-lupus-erythematosus
#7
REVIEW
Alberto Floris, Matteo Piga, Arduino Aleksander Mangoni, Alessandra Bortoluzzi, Gian Luca Erre, Alberto Cauli
Cardiovascular (CV) morbidity and mortality are a challenge in management of patients with systemic lupus erythematosus (SLE). Higher risk of CV disease in SLE patients is mostly related to accelerated atherosclerosis. Nevertheless, high prevalence of traditional cardiovascular risk factors in SLE patients does not fully explain the increased CV risk. Despite the pathological bases of accelerated atherosclerosis are not fully understood, it is thought that this process is driven by the complex interplay between SLE and atherosclerosis pathogenesis...
2018: Mediators of Inflammation
https://www.readbyqxmd.com/read/29669993/myeloperoxidase-as-an-active-disease-biomarker-recent-biochemical-and-pathological-perspectives
#8
REVIEW
Amjad A Khan, Mohammed A Alsahli, Arshad H Rahmani
Myeloperoxidase (MPO) belongs to the family of heme-containing peroxidases, produced mostly from polymorphonuclear neutrophils. The active enzyme (150 kDa) is the product of the MPO gene located on long arm of chromosome 17. The primary gene product undergoes several modifications, such as the removal of introns and signal peptides, and leads to the formation of enzymatically inactive glycosylated apoproMPO which complexes with chaperons, producing inactive proMPO by the insertion of a heme moiety. The active enzyme is a homodimer of heavy and light chain protomers...
April 18, 2018: Medical Sciences: Open Access Journal
https://www.readbyqxmd.com/read/29668847/adiponectin-determines-farnesoid-x-receptor-agonism-mediated-cardioprotection-against-post-infarction-remodeling-and-dysfunction
#9
Yunlong Xia, Fuyang Zhang, Shihao Zhao, Yueyang Li, Xiyao Chen, Erhe Gao, Xinyue Xu, Zhenyu Xiong, Xiaomeng Zhang, Jinglong Zhang, Huishou Zhao, Wei Wang, Helin Wang, Yanjie Guo, Yi Liu, Congye Li, Shan Wang, Ling Zhang, Wenjun Yan, Ling Tao
Aims: The farnesoid X receptor (FXR) is a member of the metabolic nuclear receptor superfamily that plays a critical regulatory role in cardiovascular physiology/pathology. However, the role of systemic FXR activation in the chronic phase in myocardial infarction (MI)-induced cardiac remodeling and dysfunction remains unclear. In this study, we aimed to elucidate the role of long-term FXR activation on post-MI cardiac remodeling and dysfunction. Methods and Results: Mice underwent either MI surgery or sham operation...
April 14, 2018: Cardiovascular Research
https://www.readbyqxmd.com/read/29667548/flavonoids-and-platelet-derived-thrombotic-disorders
#10
Jose J Lopez, Mohammed El Haouari, Isaac Jardin, Nieves Alonso, Sergio Regodon, Raquel Diez Bello, Pedro Cosme Redondo, Juan A Rosado
Thrombotic disorders are characterized by an increase in the probability of the formation of unnecessary thrombi that might be due to the activation of the coagulation cascade or the circulating platelets. Platelets or thrombocytes play an essential role in hemostasis but abnormal platelet function leads to the development of a number of cardiovascular complications, including thrombotic disorders. Under pathological conditions, platelets are associated with the development of different thrombotic disorders, including atherosclerosis, arterial thrombosis and stroke, deep venous thrombosis and pulmonary embolism; therefore, platelets are the target of a number of anti-thrombotic strategies...
April 17, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29665821/plasma-proteomic-analysis-reveals-altered-protein-abundances-in-cardiovascular-disease
#11
Vasiliki Lygirou, Agnieszka Latosinska, Manousos Makridakis, William Mullen, Christian Delles, Joost P Schanstra, Jerome Zoidakis, Burkert Pieske, Harald Mischak, Antonia Vlahou
BACKGROUND: Cardiovascular disease (CVD) describes the pathological conditions of the heart and blood vessels. Despite the large number of studies on CVD and its etiology, its key modulators remain largely unknown. To this end, we performed a comprehensive proteomic analysis of blood plasma, with the scope to identify disease-associated changes after placing them in the context of existing knowledge, and generate a well characterized dataset for further use in CVD multi-omics integrative analysis...
April 17, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29664631/cereal-fiber-ameliorates-high-fat-cholesterol-diet-induced-atherosclerosis-by-modulating-nlrp3-inflammasome-pathway-in-apoe-mice
#12
Ru Zhang, Shufen Han, Zheng Zhang, Weiguo Zhang, Jing Yang, Zhongxiao Wan, Liqiang Qin
Cereal fiber is associated with decreasing the risk of cardiovascular diseases. However, whether cereal fiber modulates inflammatory response and improves atherosclerosis remains unclear. This study evaluated the anti-atherosclerotic effect of cereal fibers from oat or wheat bran and explored the potential anti-inflammatory mechanisms. Male ApoE-/- mice were given a high fat/cholesterol (HFC) diet, HFC diet supplemented with 0.8% oat fiber or wheat bran fiber. After 18 weeks of feeding period, serum lipids and inflammatory cytokines were measured...
April 17, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29663823/would-janus-view-on-hdl-be-useful
#13
M Kasko, V Kasko, S Oravec
Low-density lipoprotein cholesterol (LDL-C) is generally considered to be pro-atherogenic and high-density lipoprotein cholesterol (HDL-C) to be anti-atherogenic. The clinical approach to the diagnostics and treatment of clinical manifestations of atherosclerosis is the examination of the lipid spectrum. In routine clinical practice, the effects of the HDL class are measured only by determining the concentration of HDL cholesterol. It is questionable whether this clinical approach provides sufficient information to evaluate both the overall cardiovascular risk and the effect of hypolipidemic therapy...
2018: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/29659553/therapeutic-potential-of-annexin-a1-in-ischemia-reperfusion-injury
#14
REVIEW
Junaid Ansari, Gaganpreet Kaur, Felicity N E Gavins
Cardiovascular disease (CVD) continues to be the leading cause of death in the world. Increased inflammation and an enhanced thrombotic milieu represent two major complications of CVD, which can culminate into an ischemic event. Treatment for these life-threatening complications remains reperfusion and restoration of blood flow. However, reperfusion strategies may result in ischemia-reperfusion injury (I/RI) secondary to various cardiovascular pathologies, including myocardial infarction and stroke, by furthering the inflammatory and thrombotic responses and delivering inflammatory mediators to the affected tissue...
April 16, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29658678/emergency-surgery-for-bowel-obstruction-in-extremely-aged-patients
#15
Alberto Oldani, Valentina Gentile, Chiara Magaton, Marcello Calabrò, Fabio Maroso, Lidia Ravizzini, Giacomo Deiro, Maurizio Amato, Sergio Gentilli
BACKGROUND: As a result of the increasing of life expectancy, the incidence of pathologies that can lead to operation for bowel obstruction is also increasing. Comorbidities and reduced physiological reserve can decrease elderly patients' ability to tolerate operations especially in an emergency context. We retrospectively evaluated the treatment and outcomes of a cohort of patients aged more than 85 years who underwent emergency surgery for intestinal occlusion. METHODS: 278 patients who were admitted to our Institution and operated for acute bowel obstruction have been included in our study...
April 13, 2018: Minerva Chirurgica
https://www.readbyqxmd.com/read/29656350/high-content-of-lead-is-associated-with-the-softness-of-drinking-water-and-raised-cardiovascular-morbidity-a-review
#16
REVIEW
Geir Bjørklund, Maryam Dadar, Salvatore Chirumbolo, Jan Aaseth
Daily ingestion of lead (Pb), even through piped drinking water, has long time been an important issue of concern, attracting for decades research in environmental science and toxicology, and again comes to prominence because of recent high-profile cases of exposure of populations in several countries to Pb-contaminated water. Numerous studies have reported an association between Pb in water and the risk of cardiovascular pathologies. Low levels of magnesium and calcium, i.e., low degree of hardness of the drinking water, may accentuate Pb leaching from water pipes and furthermore increase Pb absorption...
April 14, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29655894/hhipl-1-rs2895811-gene-polymorphism-is-associated-with-cardiovascular-risk-factors-and-cardiometabolic-parameters-in-mexicans-patients-with-myocardial-infarction
#17
José Manuel Rodríguez-Pérez, Rosalinda Posadas-Sánchez, Ruben Blachman-Braun, Gilberto Vargas-Alarcón, Carlos Posadas-Romero, Adrián Asael Rodríguez-Cortés, Fabiola López-Bautista, Carlos Alfonso Tovilla-Zárate, Emma Xochitl Rojas-Toledo, Verónica Marusa Borgonio-Cuadra, Nonanzit Pérez-Hernández
Several studies have reported the role of hedgehog interacting protein-like 1 (HHIPL-1) in different pathologies, including cardiovascular disease. The aim of the present study was to analyze the association of HHIPL-1 (rs2895811) polymorphism with myocardial infarction (MI), cardiometabolic parameters, and traditional cardiovascular risk factors in the Mexican population. The polymorphism was genotyped using a TaqMan assay in 1023 patients with MI and 1105 controls. A similar distribution of the polymorphism was observed between studied groups...
April 12, 2018: Gene
https://www.readbyqxmd.com/read/29655692/effects-of-xin-ji-er-kang-on-heart-failure-induced-by-myocardial-infarction-role-of-inflammation-oxidative-stress-and-endothelial-dysfunction
#18
Juan Hu, Pan Cheng, Guang-Yao Huang, Guo-Wei Cai, Feng-Zhen Lian, Xiao-Yun Wang, Shan Gao
BACKGROUND: Xin-Ji-Er-Kang (XJEK) is a Chinese herbal formula, which has been reported to exert effective protection on cardiovascular diseases like hypertension and myocarditis. PURPOSE: To elucidate the protective effects of XJEK on heart failure (HF) induced by myocardial infarction (MI) through the amelioration of inflammation, oxidative stress (OS) and endothelial dysfunction(ED). MATERIALS AND METHODS: Fifty-seven male KM mice were randomized into the following six groups (n = 9-10 for each): control group, model group, MI+XJEK low dose group(XJEKL) group, MI+XJEK middle dose group(XJEKM), MI+XJEK high dose group(XJEKH), and MI+fosinopril group (positive control group)...
March 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29652901/early-postnatal-soluble-fgfr3-therapy-prevents-the-atypical-development-of-obesity-in-achondroplasia
#19
Celine Saint-Laurent, Stephanie Garcia, Vincent Sarrazy, Karine Dumas, Florence Authier, Sophie Sore, Albert Tran, Philippe Gual, Isabelle Gennero, Jean-Pierre Salles, Elvire Gouze
BACKGROUND: Achondroplasia is a rare genetic disease is characterized by abnormal bone development and early obesity. While the bone aspect of the disease has been thoroughly studied, early obesity affecting approximately 50% of them during childhood has been somewhat neglected. It nevertheless represents a major health problem in these patients, and is associated to life-threatening complications including increasing risk of cardiovascular pathologies. We have thus decided to study obesity in patients and to use the mouse model to evaluate if soluble FGFR3 therapy, an innovative treatment approach for achondroplasia, could also impact the development of this significant complication...
2018: PloS One
https://www.readbyqxmd.com/read/29652634/emerging-applications-of-genome-editing-technology-to-examine-functionality-of-gwas-associated-variants-for-complex-traits
#20
Andrew J P Smith, Panos Deloukas, Patricia B Munroe
Over the last decade, genome-wide association studies (GWAS) have propelled the discovery of thousands of loci associated with complex diseases. The focus is now turning towards the function of these association signals, determining the causal variant(s) amongst those in strong linkage disequilibrium, and identifying their underlying mechanisms, such as long-range gene regulation. Genome-editing techniques utilising zinc-finger nucleases (ZFN), transcription activator-like effector nucleases (TALENs) and clustered regularly-interspaced short palindromic repeats with Cas9 nuclease (CRISPR-Cas9), are becoming the tools of choice to establish functionality for these variants, due to the ability to assess effects of single variants in vivo...
April 13, 2018: Physiological Genomics
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