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Inflammatory heart diseases

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https://www.readbyqxmd.com/read/27922195/the-neuropeptide-cortistatin-attenuates-experimental-autoimmune-myocarditis-via-inhibition-of-cardiomyogenic-t-cell-driven-inflammatory-responses
#1
Virginia Delgado-Maroto, Clara P Falo, Irene Forte-Lago, Norma Adan, Maria Morell, Elena Maganto-Garcia, Gema Robledo, Francisco O'Valle, Andrew H Lichtman, Elena Gonzalez-Rey, Mario Delgado
BACKGROUND AND PURPOSE: Myocarditis is an inflammatory and autoimmune cardiovascular disease that causes dilated myocardiopathy and is responsible of high morbidity and mortality worldwide. Cortistatin is a neuropeptide produced by neurons and cells of immune and vascular systems. Besides its action in locomotor activity and sleep, cortistatin inhibits inflammation in different experimental models of autoimmune diseases. However, its role in inflammatory cardiovascular disorders is unexplored...
December 6, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27921113/-musculoskeletal-related-chest-pain
#2
C Sturm, T Witte
BACKGROUND: Approximately 10-50% of chest pains are caused by musculoskeletal disorders. The association is twice as frequent in primary care as in emergency admissions. AIM: This article provides an overview of the most important musculoskeletal causes of chest pain and on the diagnostics and therapy. METHODS: A selective search and analysis of the literature related to the topic of musculoskeletal causes of chest pain were carried out. RESULTS AND CONCLUSION: Non-inflammatory diseases, such as costochondritis and fibromyalgia are frequent causes of chest pain...
December 5, 2016: Der Internist
https://www.readbyqxmd.com/read/27919108/biocatalytic-synthesis-of-flavonoid-esters-by-lipases-and-their-biological-benefits
#3
Maria Elisa M B de Araújo, Yollanda E M Franco, Marcia C F Messias, Giovanna B Longato, João A Pamphile, Patricia de O Carvalho
Several studies have described important biological activities of flavonoids such as coronary heart disease prevention, hepatoprotective, anti-inflammatory and anticancer activities, enzyme inhibition activity, and antibacterial, antifungal, and antiviral activities. Flavonoids show promising activity as natural plant-based antioxidants due to their antioxidant and free radical scavenging properties. However, their primary applications as antioxidants in the pharmaceutical, cosmetic, and food industries are limited because of their moderately hydrophilic nature...
December 5, 2016: Planta Medica
https://www.readbyqxmd.com/read/27918954/interleukin-10-role-in-increasing-susceptibility-and-pathogenesis-of-rheumatic-fever-rheumatic-heart-disease
#4
REVIEW
Neha Sharma, Devinder Toor
Streptococcus pyogenes (group A streptococcus) causes rheumatic fever (RF) which later progresses towards rheumatic heart disease (RHD) in the susceptible individuals. RF and RHD both contribute towards increasing global burden of disease, especially in developing countries. RHD is one of the most common acquired heart diseases causing permanent damage to heart valves which ultimately leads to heart failure. In RHD, heart valve lesions are formed which are mediated by autoimmune reaction between streptococcal antigens (M protein and group A carbohydrate epitope GlcNAc) and heart tissues...
December 2, 2016: Cytokine
https://www.readbyqxmd.com/read/27909515/myocardial-biopsy-in-idiopathic%C3%A2-atrial-fibrillation-and-other-arrhythmias-nosological-diagnosis-clinical-and-morphological-parallels-and-treatment
#5
O V Blagova, A V Nedostup, E A Kogan, V A Sulimov, S A Abugov, A G Kupriyanova, V A Zaydenov, A E Donnikov, E V Zaklyazminskaya, E A Okisheva
BACKGROUND: The nosological nature of "idiopathic" arrhythmias and the effect of etiotropic and pathogenetic treatment are often unknown. METHODS AND RESULTS: 19 patients (42.6±11.3 years, 9 women) with atrial fibrillation (n = 16), supraventricular (n = 10) and ventricular (n = 4) premature beats, supraventricular (n = 2) and ventricular tachycardia (n = 1), left bundle branch block (n= 2), AV block (n = 2) without structural heart changes. Viruses were identified (polymerase chain reaction, PCR) along with measurement of anti-heart antibodies (AHA) and endomyocardial biopsy (EMB)...
June 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27908890/pathology-of-human-coronary-and-carotid-artery-atherosclerosis-and-vascular-calcification-in-diabetes-mellitus
#6
Kazuyuki Yahagi, Frank D Kolodgie, Christoph Lutter, Hiroyoshi Mori, Maria E Romero, Aloke V Finn, Renu Virmani
The continuing increase in the prevalence of diabetes mellitus in the general population is predicted to result in a higher incidence of cardiovascular disease. Although the mechanisms of diabetes mellitus-associated progression of atherosclerosis are not fully understood, at clinical and pathological levels, there is an appreciation of increased disease burden and higher levels of arterial calcification in these subjects. Plaques within the coronary arteries of patients with diabetes mellitus generally exhibit larger necrotic cores and significantly greater inflammation consisting mainly of macrophages and T lymphocytes relative to patients without diabetes mellitus...
December 1, 2016: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/27906087/legionella-pneumonia-in-the-niagara-region-ontario-canada-a-case-series
#7
Stephanie Cargnelli, Jeff Powis, Jennifer L Y Tsang
BACKGROUND: Legionella pneumophila, a major cause of Legionnaires' disease, accounts for 2-15 % of all community-acquired pneumonia requiring hospitalization and up to 30 % of community-acquired pneumonia requiring intensive care unit admission. Early initiation of appropriate antimicrobial therapy is a crucial step in the prevention of morbidity and mortality. However, recognition of Legionnaires' disease continues to be challenging because of its nonspecific clinical features. We sought to describe hospitalized community-acquired Legionnaires' disease to increase awareness of this important and potentially lethal disease...
December 1, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27904018/impact-of-plasma-kynurenine-level-on-functional-capacity-and-outcome-in-heart-failure%C3%A3-results-from-studies-investigating-co-morbidities-aggravating-heart-failure-sica-hf
#8
Masaaki Konishi, Nicole Ebner, Jochen Springer, Joerg C Schefold, Wolfram Doehner, Thomas Bernd Dschietzig, Stefan D Anker, Stephan von Haehling
BACKGROUND: Kynurenine is a circulating metabolite from the essential amino acid tryptophan. Accelerated degradation of kynurenine in skeletal muscle has been reported to provide an anti-inflammatory effect. The aim of this study was to investigate the association between blood kynurenine and muscle mass/function in patients with heart failure (HF), in whom diseased muscle mass/function plays a pathophysiological role.Methods and Results:Plasma kynurenine was assessed in 249 patients with HF (67±11 years, 21% women) and in 45 controls from the SICA-HF study...
November 30, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/27899528/relationship-between-outdoor-temperature-and-cardiovascular-disease-risk-factors-in-older-people
#9
Claudio Sartini, Sarah Je Barry, Peter H Whincup, S Goya Wannamethee, Gordon DO Lowe, Barbara J Jefferis, Lucy Lennon, Paul Welsh, Ian Ford, Naveed Sattar, Richard W Morris
BACKGROUND: Previous studies demonstrated that lower outdoor temperatures increase the levels of established cardiovascular disease risk factors, such as blood pressure and lipids. Whether or not low temperatures increase novel cardiovascular disease risk factors levels is not well studied. The aim was to investigate associations of outdoor temperature with a comprehensive range of established and novel cardiovascular disease risk factors in two large Northern European studies of older adults, in whom cardiovascular disease risk is increased...
November 29, 2016: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/27894980/natural-killer-cells-in-inflammatory-heart-disease
#10
REVIEW
SuFey Ong, Noel R Rose, Daniela Cihakova
Despite of a multitude of excellent studies, the regulatory role of natural killer (NK) cells in the pathogenesis of inflammatory cardiac disease is greatly underappreciated. Clinical abnormalities in the numbers and functions of NK cells are observed in myocarditis and inflammatory dilated cardiomyopathy (DCMi) as well as in cardiac transplant rejection Ayach and Ayach (2006), Kuroki et al. (1993), Klarlund and Klarlund (1987), Anderson et al. (1982), Galati and Galati (2014), Zhang and Zhang (2014) [1-6]...
November 25, 2016: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/27894616/histopathological-lesions-in-encephalon-and-heart-of-mice-infected-with-toxoplasma-gondii-increase-after-lycopodium-clavatum-200dh-treatment
#11
Andréia Vieira Pereira, Marcelo Biondaro Góis, Katiucha Rebeca Jennifer Lopes Lera, Gislane Janaina Falkowski-Temporini, Paula Fernanda Massini, Ricardo Nascimento Drozino, Denise Lessa Aleixo, Milena Menegazzo Miranda, Paulo da Silva Watanabe, Ivete Conchon-Costa, Idessania Nazareth da Costa, Mário Dos Anjos Neto Filho, Silvana Marques de Araújo, Wander Rogério Pavanelli
In many cases, symptoms of toxoplasmosis are mistaken for the ones of other infectious diseases. Clinical signs are rare in immunocompetent people. However, when they arise, in the acute phase of infection, several organs are affected due to the rapid spread of tachyzoites through the bloodstream. In the present study, the reduction of tachyzoites in peripheral blood of mice of G72 (infected 72h after treatment) and G48 (infected 48h after treatment and treated three more times), when compared with IC (infected and non-treated), suggests protective effect exerted by Lycopodium clavatum...
November 18, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27894401/association-between-the-cytotoxic-t-lymphocyte-antigen-4-mutations-and-the-susceptibility-to-systemic-lupus-erythematosus-contribution-markers-of-inflammation-and-oxidative-stress
#12
M Tanhapour, A Vaisi-Raygani, F Bahrehmand, M Khazaei, A Kiani, Z Rahimi, H Nomani, H Tavilani, T Pourmotabbed
: The cytotoxic T lymphocyte antigen-4 (CTLA-4) also known as CD152 (cluster of differentiation 152) is a crucial negative regulator of the immune system. This protein receptor provides negative signals in order to suppress T-cell activation and immune attack against self-antigens, although its role is unclear.  The ability of CTLA-4 to limit T cell-mediated immune response has made it a major target in treatment of tumors and autoimmune diseases such as systemic lupus erythematosus (SLE)...
October 31, 2016: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/27893465/accelerated-resolution-of-inflammation-underlies-sex-differences-in-inflammatory-responses-in-humans
#13
Krishnaraj S Rathod, Vikas Kapil, Shanti Velmurugan, Rayomand S Khambata, Umme Siddique, Saima Khan, Sven Van Eijl, Lorna C Gee, Jascharanpreet Bansal, Kavi Pitrola, Christopher Shaw, Fulvio D'Acquisto, Romain A Colas, Federica Marelli-Berg, Jesmond Dalli, Amrita Ahluwalia
BACKGROUND: Cardiovascular disease occurs at lower incidence in premenopausal females compared with age-matched males. This variation may be linked to sex differences in inflammation. We prospectively investigated whether inflammation and components of the inflammatory response are altered in females compared with males. METHODS: We performed 2 clinical studies in healthy volunteers. In 12 men and 12 women, we assessed systemic inflammatory markers and vascular function using brachial artery flow-mediated dilation (FMD)...
November 28, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27892897/the-importance-of-selected-spices-in-cardiovascular-diseases
#14
Bartosz Kulczyński, Anna Gramza-Michałowska
Cardiovascular diseases are the leading cause of death worldwide. Literature data indicate that, due to these diseases, approximately 17.5 million people died in 2012. Types of cardiovascular disease include ischemic heart disease, cerebrovascular disease, peripheral vascular disease, congenital heart disease, rheumatic heart disease, cardiomyopathy and arrhythmia. Proper nutrition is an important factor in reducing the risk of cardiovascular events. An interesting element of our diets is spices. For thousands of years, they have been used in the treatment of many diseases: bacterial infections, coughs, colds, and liver diseases...
November 14, 2016: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/27891294/prevalence-and-clinical-impact-of-cachexia-in-chronic-illness-in-europe-usa-and-japan-facts-and-numbers-update-2016
#15
EDITORIAL
Stephan von Haehling, Markus S Anker, Stefan D Anker
Cachexia is a serious clinical consequence of almost all chronic diseases when reaching advanced stages. Its prevalence ranges from 5-15% in end-stage chronic heart failure to 50-80% in advanced malignant cancer. Cachexia is also frequently occurring in patients with chronic kidney disease, chronic obstructive pulmonary disease (COPD) or neurological diseases, and rheumatoid arthritis. Mortality rates of patients with cachexia range from 15-25% per year in severe COPD through 20-40% per year in patients with chronic heart failure or chronic kidney disease to 20-80% in cancer cachexia...
December 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27890513/therapeutic-effect-of-immunoadsorption-and-subsequent-immunoglobulin-substitution-in-patients-with-dilated-cardiomyopathy-results-from-the-observational-prospective-bad-berka-registry
#16
Marc-Alexander Ohlow, Michele Brunelli, Matthias Schreiber, Bernward Lauer
BACKGROUND: Elimination of cardiac autoantibodies, frequently detected in patients with dilated cardiomyopathy (DCM), with immunoadsorption (IA) improves functional capacity and left ventricular (LV) function. This study aimed to prospectively address this issue in a large cohort of unselected patients. METHODS: Consecutive patients undergoing IA followed by IgG substitution were included. Clinical and echocardiographic parameters were assessed at baseline (BL) and 12-month follow-up (FU)...
November 24, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/27888751/remote-ischemic-preconditioning-attenuates-egr-1-expression-following-myocardial-ischemia-reperfusion-injury-through-activation-of-the-jak-stat-pathway
#17
H Mudaliar, B Rayner, M Billah, N Kapoor, W Lay, A Dona, R Bhindi
BACKGROUND/OBJECTIVES: Remote ischemic preconditioning (RIPC) protects the myocardium from ischemia/reperfusion (I/R) injury however the molecular pathways involved in cardioprotection are yet to be fully delineated. Transcription factor Early growth response-1 (Egr-1) is a key upstream activator in a variety of cardiovascular diseases. In this study, we elucidated the role of RIPC in modulating the regulation of Egr-1. METHODS: This study subjected rats to transient blockade of the left anterior descending (LAD) coronary artery with or without prior RIPC of the hind-limb muscle and thereafter excised the heart 24h following surgical intervention...
November 10, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27886849/prevalence-and-burden-of-comorbidities-in-chronic-obstructive-pulmonary-disease
#18
REVIEW
Alexandru Corlateanu, Serghei Covantev, Alexander G Mathioudakis, Victor Botnaru, Nikolaos Siafakas
The classical definition of Chronic Obstructive Pulmonary Disease (COPD) as a lung condition characterized by irreversible airway obstruction is outdated. The systemic involvement in patients with COPD, as well as the interactions between COPD and its comorbidities, justify the description of chronic systemic inflammatory syndrome. The pathogenesis of COPD is closely linked with aging, as well as with cardiovascular, endocrine, musculoskeletal, renal, and gastrointestinal pathologies, decreasing the quality of life of patients with COPD and, furthermore, complicating the management of the disease...
November 2016: Respiratory Investigation
https://www.readbyqxmd.com/read/27886803/relapsing-polychondritis-a-2016-update-on-clinical-features-diagnostic-tools-treatment-and-biological-drug-use
#19
REVIEW
Alexis Mathian, Makoto Miyara, Fleur Cohen-Aubart, Julien Haroche, Miguel Hie, Micheline Pha, Philippe Grenier, Zahir Amoura
Relapsing polychondritis (RP) is a very rare autoimmune disease characterised by a relapsing inflammation of the cartilaginous tissues (joints, ears, nose, intervertebral discs, larynx, trachea and cartilaginous bronchi), which may progress to long-lasting atrophy and/or deformity of the cartilages. Non-cartilaginous tissues may also be affected, such as the eyes, heart, aorta, inner ear and skin. RP has a long and unpredictable course. Because no randomised therapeutic trials are available, the treatment of RP remains mainly empirical...
April 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27882934/macrophage-dependent-il-1%C3%AE-production-induces-cardiac-arrhythmias-in-diabetic-mice
#20
Gustavo Monnerat, Micaela L Alarcón, Luiz R Vasconcellos, Camila Hochman-Mendez, Guilherme Brasil, Rosana A Bassani, Oscar Casis, Daniela Malan, Leonardo H Travassos, Marisa Sepúlveda, Juan Ignacio Burgos, Martin Vila-Petroff, Fabiano F Dutra, Marcelo T Bozza, Claudia N Paiva, Adriana Bastos Carvalho, Adriana Bonomo, Bernd K Fleischmann, Antonio Carlos Campos de Carvalho, Emiliano Medei
Diabetes mellitus (DM) encompasses a multitude of secondary disorders, including heart disease. One of the most frequent and potentially life threatening disorders of DM-induced heart disease is ventricular tachycardia (VT). Here we show that toll-like receptor 2 (TLR2) and NLRP3 inflammasome activation in cardiac macrophages mediate the production of IL-1β in DM mice. IL-1β causes prolongation of the action potential duration, induces a decrease in potassium current and an increase in calcium sparks in cardiomyocytes, which are changes that underlie arrhythmia propensity...
November 24, 2016: Nature Communications
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