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Allergy and atherosclerosis

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https://www.readbyqxmd.com/read/28768724/pd-l2-regulates-b-1-cell-antibody-production-against-phosphorylcholine-through-an-il-5-dependent-mechanism
#1
Jerome T McKay, Marcela A Haro, Christina A Daly, Rama D Yammani, Bing Pang, W Edward Swords, Karen M Haas
B-1 cells produce natural Abs which provide an integral first line of defense against pathogens while also performing important homeostatic housekeeping functions. In this study, we demonstrate that programmed cell death 1 ligand 2 (PD-L2) regulates the production of natural Abs against phosphorylcholine (PC). Naive PD-L2-deficient (PD-L2(-/-)) mice produced significantly more PC-reactive IgM and IgA. This afforded PD-L2(-/-) mice with selectively enhanced protection against PC-expressing nontypeable Haemophilus influenzae, but not PC-negative nontypeable Haemophilus influenzae, relative to wild-type mice...
September 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28664158/celastrol-a-spectrum-of-treatment-opportunities-in-chronic-diseases
#2
REVIEW
Rita Cascão, João E Fonseca, Luis F Moita
The identification of new bioactive compounds derived from medicinal plants with significant therapeutic properties has attracted considerable interest in recent years. Such is the case of the Tripterygium wilfordii (TW), an herb used in Chinese medicine. Clinical trials performed so far using its root extracts have shown impressive therapeutic properties but also revealed substantial gastrointestinal side effects. The most promising bioactive compound obtained from TW is celastrol. During the last decade, an increasing number of studies were published highlighting the medicinal usefulness of celastrol in diverse clinical areas...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28420489/mast-cells-emerge-as-mediators-of-atherosclerosis-special-emphasis-on-il-37-inhibition
#3
REVIEW
Pio Conti, Gianfranco Lessiani, Spyridon K Kritas, Gianpaolo Ronconi, Aessandro Caraffa, Theoharis C Theoharides
In atherosclerosis lipoproteins stimulate the innate immune response, leading to the release of inflammatory cytokines and chemokines. Hypercholesterolemia may activate the synthesis and release of inflammatory cytokines such as IL-1, which induces TNF release in mast cells (MCs). IL-1 and IL-1 family members orchestrate a broadening list of inflammatory diseases, including atherosclerosis. MCs are implicated in the pathophysiology of several diseases including allergy and inflammation. Activated MCs, located perivascularly, contribute to inflammation in atherosclerosis by producing inflammatory cytokines...
June 2017: Tissue & Cell
https://www.readbyqxmd.com/read/27997286/kounis-syndrome-following-canned-tuna-fish-ingestion
#4
Luisa De Gennaro, Natale Daniele Brunetti, Nicola Locuratolo, Massimo Ruggiero, Manuela Resta, Giuseppe Diaferia, Michele Rana, Pasquale Caldarola
Kounis syndrome (KS) is a complex of cardiovascular symptoms and signs following either allergy or hypersensitivity and anaphylactic or anaphylactoid insults. We report the case of 57-year-old man, with hypertension and history of allergy, referred for facial rash and palpitations appeared after consumption of canned tuna fish. Suddenly, the patient collapsed: electrocardiogram showed ST-elevation in inferior leads. The patient was transferred from the spoke emergency room for coronary angio, which did not show any sign of coronary atherosclerosis...
April 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/27453525/prenatal-and-early-life-predictors-of-atopy-and-allergic-disease-in-canadian-children-results-of-the-family-atherosclerosis-monitoring-in-early-life-family-study
#5
T Batool, P L Reece, K M Schulze, K M Morrison, S A Atkinson, S S Anand, K K Teo, J A Denburg, M M Cyr
Prenatal and early-life environmental exposures play a key role in the development of atopy and allergic disease. The Family Atherosclerosis Monitoring In earLY life Study is a general, population-based Canadian birth cohort that prospectively evaluated prenatal and early-life traits and their association with atopy and/or allergic disease. The study population included 901 babies, 857 mothers and 530 fathers. Prenatal and postnatal risk factors were evaluated through questionnaires collected during the antenatal period and at 1 year...
July 25, 2016: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/27327121/doctor-when-should-i-feed-solid-foods-to-my-infant
#6
REVIEW
Alessandro Fiocchi, Lamia Dahdah, Sami L Bahna, Oscar Mazzina, Amal Assa'ad
PURPOSE OF REVIEW: Modalities and timing of the introduction of solid foods to infants may influence growth, obesity, atherosclerosis, hyperlipidemia, hypertension, diabetes, and metabolic disease. The most debated effects of solid foods introduction are those on the development of food allergy. RECENT FINDINGS: For the first time, in recent years prospective studies have been published about the effects of early vs. delayed introduction of allergenic foods into the infants' diet on food allergy...
August 2016: Current Opinion in Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27130856/a-work-group-report-on-ultrafine-particles-american-academy-of-allergy-asthma-immunology-why-ambient-ultrafine-and-engineered-nanoparticles-should-receive-special-attention-for-possible-adverse-health-outcomes-in-human-subjects
#7
REVIEW
Ning Li, Steve Georas, Neil Alexis, Patricia Fritz, Tian Xia, Marc A Williams, Elliott Horner, Andre Nel
Ultrafine particles (UFPs) are airborne particulates of less than 100 nm in aerodynamic diameter. Examples of UFPs are diesel exhaust particles, products of cooking, heating, and wood burning in indoor environments, and, more recently, products generated through the use of nanotechnology. Studies have shown that ambient UFPs have detrimental effects on both the cardiovascular and respiratory systems, including a higher incidence of atherosclerosis and exacerbation rate of asthma. UFPs have been found to alter in vitro and in vivo responses of the immune system to allergens and can also play a role in allergen sensitization...
August 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/26852088/the-epidemiology-of-asthma-and-its-comorbidities-in-poland-health-problems-of-patients-with-severe-asthma-as-evidenced-in-the-province-of-lodz
#8
Michał Panek, Łukasz Mokros, Tadeusz Pietras, Piotr Kuna
INTRODUCTION: Population studies supply interesting data regarding the epidemiology, comorbidity and risk factors of asthma, which have direct clinical implications for patients. OBJECTIVES: The aim of the work was to evaluate the degree of severity of asthma in the studied group, the levels of anti-asthma treatment, the prevalence of asthma comorbidities and their influence on the clinical course of the illness. PATIENTS AND METHODS: The study encompassed 451 participants: 52...
March 2016: Respiratory Medicine
https://www.readbyqxmd.com/read/26730455/nonutilization-of-statins-in-a-community-based-population-with-a-history-of-coronary-revascularization
#9
Jonathan A Peng, Benedict P Ancock, Carol Conell, Lucy M Almers, Quyen Chau, Jonathan G Zaroff
PURPOSE: Statin therapy has been reported to reduce the incidence of vascular events in patients with atherosclerosis, but adherence to statins may be suboptimal. The aims of this study were to quantify the rate of statin use among individuals with a history of coronary revascularization in a large, integrated health care system and to determine which demographic characteristics and clinical factors are associated with statin use. METHODS: This was a retrospective cohort study using database programming and chart review...
February 2016: Clinical Therapeutics
https://www.readbyqxmd.com/read/26149587/regulation-of-adaptive-immunity-in-health-and-disease-by-cholesterol-metabolism
#10
REVIEW
Michael B Fessler
Four decades ago, it was observed that stimulation of T cells induces rapid changes in cellular cholesterol that are required before proliferation can commence. Investigators returning to this phenomenon have finally revealed its molecular underpinnings. Cholesterol trafficking and its dysregulation are now also recognized to strongly influence dendritic cell function, T cell polarization, and antibody responses. In this review, the state of the literature is reviewed on how cholesterol and its trafficking regulate the cells of the adaptive immune response and in vivo disease phenotypes of dysregulated adaptive immunity, including allergy, asthma, and autoimmune disease...
August 2015: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/25982933/kaempferol-and-inflammation-from-chemistry-to-medicine
#11
REVIEW
Kasi Pandima Devi, Dicson Sheeja Malar, Seyed Fazel Nabavi, Antoni Sureda, Jianbo Xiao, Seyed Mohammad Nabavi, Maria Daglia
Inflammation is an important process of human healing response, wherein the tissues respond to injuries induced by many agents including pathogens. It is characterized by pain, redness and heat in the injured tissues. Chronic inflammation seems to be associated with different types of diseases such as arthritis, allergies, atherosclerosis, and even cancer. In recent years natural product based drugs are considered as the novel therapeutic strategy for prevention and treatment of inflammatory diseases. Among the different types of phyto-constituents present in natural products, flavonoids which occur in many vegetable foods and herbal medicines are considered as the most active constituent, which has the potency to ameliorate inflammation under both in vitro and in vivo conditions...
September 2015: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/25587992/plasma-il-5-concentration-and-subclinical-carotid-atherosclerosis
#12
MULTICENTER STUDY
Angela Silveira, Olga McLeod, Rona J Strawbridge, Karl Gertow, Bengt Sennblad, Damiano Baldassarre, Fabrizio Veglia, Anna Deleskog, Jonas Persson, Karin Leander, Bruna Gigante, Jussi Kauhanen, Rainer Rauramaa, Andries J Smit, Elmo Mannarino, Philippe Giral, Sven Gustafsson, Stefan Söderberg, John Öhrvik, Steve E Humphries, Elena Tremoli, Ulf de Faire, Anders Hamsten
OBJECTIVE: Genetic variants robustly associated with coronary artery disease were reported in the vicinity of the interleukin (IL)-5 locus, and animal studies suggested a protective role for IL-5 in atherosclerosis. Therefore, we set this work to explore IL-5 as a plasma biomarker for early subclinical atherosclerosis, as determined by measures of baseline severity and change over time of carotid intima-media thickness (cIMT). METHODS: We used biobank and databases of IMPROVE, a large European prospective cohort study of high-risk individuals (n = 3534) free of clinically overt cardiovascular disease at enrollment, in whom composite and segment-specific measures of cIMT were recorded at baseline and after 15 and 30 months...
March 2015: Atherosclerosis
https://www.readbyqxmd.com/read/25557218/isolevuglandin-adducts-in-disease
#13
REVIEW
Robert G Salomon, Wenzhao Bi
SIGNIFICANCE: A diverse family of lipid-derived levulinaldehydes, isolevuglandins (isoLGs), is produced by rearrangement of endoperoxide intermediates generated through both cyclooxygenase (COX) and free radical-induced cyclooxygenation of polyunsaturated fatty acids and their phospholipid esters. The formation and reactions of isoLGs with other biomolecules has been linked to alcoholic liver disease, Alzheimer's disease, age-related macular degeneration, atherosclerosis, cardiac arythmias, cancer, end-stage renal disease, glaucoma, inflammation of allergies and infection, mitochondrial dysfunction, multiple sclerosis, and thrombosis...
June 20, 2015: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/25548799/chemerin-chemr23-axis-in-inflammation-onset-and-resolution
#14
REVIEW
Francesco Mariani, Luca Roncucci
Chemerin is an adipokine secreted by adipocytes and associated with obesity, insulin resistance and metabolic syndrome. Different chemerin fragments with pro- or anti-inflammatory action can be produced, depending on the class of proteases predominating in the microenvironment. Chemerin binds to three receptors, especially to chemR23, expressed on various cells, as dendritic cells, macrophages and natural killer cells, regulating chemotaxis towards the site of inflammation and activation status. Recently, the chemerin/chemR23 axis has attracted particular attention for the multiple roles related to the control of inflammation, metabolism and cancerogenesis in different organs and systems as lung (allergy and cancer), skin (psoriasis, lupus, cancer, wound repair), cardiovascular system (lipid profile and atherosclerosis), reproductive apparatus (polycystic ovary syndrome, follicular homoeostasis), and digestive tract (inflammatory bowel diseases and cancer)...
February 2015: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/25447621/noninvasive-tests-for-the-diagnostic-evaluation-of-dyspnea-among-outpatients-the-multi-ethnic-study-of-atherosclerosis-lung-study
#15
Elizabeth C Oelsner, Joao A C Lima, Steven M Kawut, Kristin M Burkart, Paul L Enright, Firas S Ahmed, R Graham Barr
BACKGROUND: Dyspnea on exertion is a common and debilitating symptom, yet evidence for the relative value of cardiac and pulmonary tests for the evaluation of chronic dyspnea among adults without known cardiac or pulmonary disease is limited. METHODS: The Multi-Ethnic Study of Atherosclerosis (MESA) enrolled participants aged 45 to 84 years who were free of clinical cardiovascular disease from 6 communities; participants with clinical pulmonary disease were excluded from this report...
February 2015: American Journal of Medicine
https://www.readbyqxmd.com/read/25301873/allergies-are-associated-with-arterial-changes-in-young-children
#16
Annemieke M V Evelein, Frank L J Visseren, Cornelis K van der Ent, Diederick E Grobbee, Cuno S P M Uiterwaal
BACKGROUND: Inflammation is important in atherosclerosis development. Whether common causes of inflammation, such as allergies and infections, already exert this influence in early childhood is unknown. The objective of this study was to investigate the association between both allergies and infections with children's vasculature. DESIGN: This was a longitudinal study in a general population cohort. METHODS: In 390 five-year-olds of the WHISTLER (Wheezing-Illnesses-Study-LEidsche-Rijn) birth cohort, carotid intima-media thickness (CIMT) and arterial stiffness were obtained ultrasonographically...
November 2015: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/25244228/diet-and-the-anti-inflammatory-effect-of-heat-shock-proteins
#17
REVIEW
Willem van Eden
Stress proteins or heat shock proteins (HSPs) have a critical role in gut health and immune regulation. They have a functional significance as molecular chaperones for cell skeleton proteins and intercellular tight junction proteins. Herewith HSPs ensure gut epithelium integrity and effective intestinal barrier function. In addition, stress protein molecules such as HSP70 are a target for anti-inflammatory regulatory T cells (Tregs). Inflamed sites in the body feature inflammatory-stress induced enhanced levels of HSPs, which enable the immune system to target Tregs selectively to sites of inflammation...
2015: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/25104798/mast-cells-as-effectors-in-atherosclerosis
#18
REVIEW
Ilze Bot, Guo-Ping Shi, Petri T Kovanen
The mast cell is a potent immune cell known for its functions in host defense responses and diseases, such as asthma and allergies. In the past years, accumulating evidence established the contribution of the mast cell to cardiovascular diseases as well, in particular, by its effects on atherosclerotic plaque progression and destabilization. Through its release not only of mediators, such as the mast cell-specific proteases chymase and tryptase, but also of growth factors, histamine, and chemokines, activated mast cells can have detrimental effects on its immediate surroundings in the vessel wall...
February 2015: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/24881140/-new-dimensions-for-dendritic-cells
#19
REVIEW
Arno Hänninen
Dendritic cells have turned out to be important component in the regulation of immune responses. In addition to various external structures they recognize the body's own intracellular structures and utilize them to construct information about threats affecting the well-being of organs and tissues. Dendritic cells are able to direct immune responses in a manner that among other things opens new dimensions to the prevention and management of autoimmune diseases, allergies, cancer and atherosclerosis. Vaccines directed to dendritic cells and modification of dendritic cells in vitro are becoming a part of the novel, targeted immunotherapy...
2014: Duodecim; Lääketieteellinen Aikakauskirja
https://www.readbyqxmd.com/read/24687069/associations-between-hiv-infection-and-subclinical-coronary-atherosclerosis
#20
MULTICENTER STUDY
Wendy S Post, Matthew Budoff, Lawrence Kingsley, Frank J Palella, Mallory D Witt, Xiuhong Li, Richard T George, Todd T Brown, Lisa P Jacobson
BACKGROUND: Coronary artery disease (CAD) has been associated with HIV infection, but data are not consistent. OBJECTIVE: To determine whether HIV-infected men have more coronary atherosclerosis than uninfected men. DESIGN: Cross-sectional study. SETTING: Multicenter AIDS Cohort Study. PARTICIPANTS: HIV-infected (n = 618) and uninfected (n = 383) men who have sex with men who were aged 40 to 70 years, weighed less than 136 kg (200 lb), and had no history of coronary revascularization...
April 1, 2014: Annals of Internal Medicine
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