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Nardhy Gomez-Lopez, Roberto Romero, Yi Xu, Yaozhu Leng, Valeria Garcia-Flores, Derek Miller, Suzanne M Jacques, Sonia S Hassan, Jonathan Faro, Adham Alsamsam, Ali Alhousseini, Hunter Gomez-Roberts, Bogdan Panaitescu, Lami Yeo, Eli Maymon
BACKGROUND: Neutrophils are the most abundant white blood cells found in the amniotic cavity of women with intraamniotic infection and/or inflammation. The current belief is that these neutrophils are of fetal origin. However, abundant neutrophils have been found in the amniotic fluid of women with a severe acute maternal inflammatory response but without a severe fetal inflammatory response in the placenta, suggesting that these innate immune cells can also be of maternal origin or a mixture of both fetal and maternal neutrophils...
December 2017: American Journal of Obstetrics and Gynecology
F Estelle R Simons, Motohiro Ebisawa, Mario Sanchez-Borges, Bernard Y Thong, Margitta Worm, Luciana Kase Tanno, Richard F Lockey, Yehia M El-Gamal, Simon Ga Brown, Hae-Sim Park, Aziz Sheikh
The World Allergy Organization (WAO) Guidelines for the assessment and management of anaphylaxis provide a unique global perspective on this increasingly common, potentially life-threatening disease. Recommendations made in the original WAO Anaphylaxis Guidelines remain clinically valid and relevant, and are a widely accessed and frequently cited resource. In this 2015 update of the evidence supporting recommendations in the Guidelines, new information based on anaphylaxis publications from January 2014 through mid- 2015 is summarized...
2015: World Allergy Organization Journal
Heung-Woo Park, Amber Dahlin, Szeman Tse, Qing Ling Duan, Brooke Schuemann, Fernando D Martinez, Stephen P Peters, Stanley J Szefler, John J Lima, Michiaki Kubo, Mayumi Tamari, Kelan G Tantisira
BACKGROUND: To date, genome-wide association studies (GWASs) of inhaled corticosteroid (ICS) response in asthmatic patients have focused primarily on lung function and exacerbations. OBJECTIVE: We hypothesized that GWAS analysis could identify novel genetic markers predicting a symptomatic response to ICSs. METHODS: We analyzed differences in asthma symptoms in response to ICSs in 124 white children from the Childhood Asthma Management Program (CAMP) trial using scores from diary cards...
March 2014: Journal of Allergy and Clinical Immunology
Ann Chen Wu, Blanca E Himes, Jessica Lasky-Su, Augusto Litonjua, Stephen P Peters, John Lima, Michiaki Kubo, Mayumi Tamari, Yusuke Nakamura, Weiliang Qiu, Scott T Weiss, Kelan Tantisira
BACKGROUND: Single nucleotide polymorphisms (SNPs) influence a patient's response to inhaled corticosteroids and β2-agonists, and the effect of treatment with inhaled corticosteroids is synergistic with the effect of β2-agonists. We hypothesized that use of inhaled corticosteroids could influence the effect of SNPs associated with a bronchodilator response. OBJECTIVE: To assess whether, among subjects with asthma, the association of SNPs with bronchodilator response is different between those treated with inhaled corticosteroids versus those on placebo...
March 2014: Journal of Allergy and Clinical Immunology
Bernardino Alcázar Navarrete, Ciro Casanova, Marc Miravitlles, Pilar de Lucas, Juan Antonio Riesco, José Miguel Rodríguez González-Moro
INTRODUCTION: Indications for inhaled corticosteroids (IC) in combination with long-acting bronchodilators (LABD) are well defined in clinical practice guidelines. However, there are some doubts about their efficacy and safety. The aim of this document is to establish an expert consensus to clarify these issues. METHOD: A coordinator group was formed, which systematically reviewed the scientific evidence with the aim of identifying areas of uncertainty about the efficacy of ICs, the adverse effects associated with their use and criteria for withdrawal...
April 2015: Archivos de Bronconeumología
C Schlapbach, D Simon
Skin diseases with an allergic background such as atopic dermatitis, allergic contact dermatitis, and urticaria are very common. Moreover, diseases arising from a dysfunction of immune cells and/or their products often manifest with skin symptoms. This review aims to summarize recently published articles in order to highlight novel research findings, clinical trial results, and current guidelines on disease management. In recent years, an immense progress has been made in understanding the link between skin barrier dysfunction and allergic sensitization initiating the atopic march...
December 2014: Allergy
Shradha Agarwal, Charlotte Cunningham-Rundles
Common variable immunodeficiency (CVID) is the most common clinically significant primary immune defect. Although the hallmark of CVID is hypogammaglobulinemia, the intrinsic dysregulation of the immune system leads to defective T-cell activation and proliferation, as well as dendritic cell and cytokine defects. Although 70% to 80% of patients have had recurrent sinopulmonary infections, autoimmunity and inflammatory complications are also common. The most common autoimmune conditions are immune thrombocytopenic purpura and hemolytic anemia, but other autoimmune complications arise, including rheumatoid arthritis, pernicious anemia, primary biliary cirrhosis, thyroiditis, sicca syndrome, systemic lupus, and inflammatory bowel disease...
September 2009: Current Allergy and Asthma Reports
D Gardner, L E Jeffery, D M Sansom
T cell activation is a key event in the adaptive immune system and vital in the generation of protective cellular and humoral immunity. Activation is required to generate CD4 effector T cell responses and provide help for B cell and cytotoxic T cell responses. While defective T responses to foreign antigen result in infectious pathology, over-reactive T cell responses against self-antigens result in autoimmunity and, in a transplantation setting, tissue rejection. Understanding how T cell activation is normally regulated is critical to therapeutic intervention and the CD28/CTLA-4 (CD152) pathway represents the initial activation checkpoint in molecular terms...
September 2014: American Journal of Transplantation
Bin Gao, Svetlana Radaeva
The liver lymphocyte population is enriched with natural killer (NK) cells, which play a key role in host defense against viral infection and tumor transformation. Recent evidence from animal models suggests that NK cells also play an important role in inhibiting liver fibrosis by selectively killing early or senescence activated hepatic stellate cells (HSCs) and by producing the anti-fibrotic cytokine IFN-γ. Furthermore, clinical studies have revealed that human NK cells can kill primary human HSCs and that the ability of NK cells from HCV patients to kill HSCs is enhanced and correlates inversely with the stages of liver fibrosis...
July 2013: Biochimica et Biophysica Acta
Afsaneh Barzi, Mikkael A Sekeres
The myelodysplastic syndromes (MDS) are clonal bone marrow disorders that lead to underproduction of normal blood cells. The consequent cytopenias result in infections and bleeding complications. MDS transform to acute myeloid leukemia in one-third of patients. The number of diagnoses has exploded in the past decade as a result of increased recognition and understanding of the disease and the aging of the population. New therapies can extend life. MDS are now considered the most common form of leukemia, and in some cases deserve immediate intervention...
January 2010: Cleveland Clinic Journal of Medicine
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