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https://www.readbyqxmd.com/read/27913952/association-of-interleukin-18-and-asthma
#1
REVIEW
Ming-Hui Xu, Feng-Lai Yuan, Shu-Jing Wang, Hui-Ying Xu, Cheng-Wan Li, Xiao Tong
Cytokine-mediated immunity plays a dominant role in the pathogenesis of various immune diseases, including asthma. The recent identification of the family interleukin (IL)-1-related cytokine IL-18 now contributes to our understanding of the fine-tuning of cellular immunity. IL-18 can act as a cofactor for Th2 cell development and IgE production and also plays an important role in the differentiation of Th1 cells. Recent work identified an IL-18 association with the pathogenesis of asthma, wherein increased IL-18 expression was found in the serum of patients...
December 2, 2016: Inflammation
https://www.readbyqxmd.com/read/27913835/preventive-dna-vaccination-against-cea-expressing-tumors-with-anti-idiotypic-scfv6-c4-dna-in-cea-expressing-transgenic-mice
#2
Priscila M A Denapoli, Bianca F Zanetti, Adara A Dos Santos, Jane Z de Moraes, Sang W Han
Carcinoembryonic antigen (CEA) is expressed during embryonic life and in low level during adult life. Consequently, the CEA is recognized by the immune system as a self-antigen and thus CEA-expressing tumors are tolerated. Previously, we constructed a single chain variable fragment using the 6.C4 (scFv6.C4) hybridoma cell line, which gave rise to antibodies able to recognize CEA when C57/Bl6 mice were immunized. Here, the scFv6.C4 ability to prevent the CEA-expressing tumor growth was assessed in CEA-expressing transgenic mice CEA2682...
December 2, 2016: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/27913791/circadian-transcription-factor-bmal1-regulates-innate-immunity-against-select-rna-viruses
#3
Tanmay Majumdar, Jayeeta Dhar, Sonal Patel, Roman Kondratov, Sailen Barik
BMAL1 (brain and muscle ARNT-like protein 1, also known as MOP3 or ARNT3) belongs to the family of the basic helix-loop-helix (bHLH)-PAS domain-containing transcription factors, and is a key component of the molecular oscillator that generates circadian rhythms. Here, we report that BMAL1-deficient cells are significantly more susceptible to infection by two major respiratory viruses of the Paramyxoviridae family, namely RSV and PIV3. Embryonic fibroblasts from Bmal1(-/-) mice produced nearly 10-fold more progeny virus than their wild type controls...
December 1, 2016: Innate Immunity
https://www.readbyqxmd.com/read/27913524/cellular-and-vaccine-immunotherapy-for-multiple-myeloma
#4
Alfred L Garfall, Edward A Stadtmauer
Allogeneic hematopoietic cell transplantation and donor lymphocyte infusion for multiple myeloma (MM) can induce graft-versus-myeloma immunity and long-term survivorship, but limited efficacy and associated toxicities have prevented its widespread use. Cellular immunotherapies and vaccines seek to induce more specific, reliable, and potent antimyeloma immune responses with less treatment-related risk than is possible with allogeneic transplantation. Advances in molecular biology, and basic and applied immunology, have led to promising approaches such as genetically engineered T cells with chimeric antigen receptors and T-cell receptors targeting myeloma-specific epitopes, vaccine primed ex vivo expanded autologous T cells, expanded marrow-infiltrating lymphocytes, and plasma cell/dendritic cell fusion vaccines...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913516/immunoregulatory-networks-in-sickle-cell-alloimmunization
#5
Karina Yazdanbakhsh
Red blood cell (RBC) transfusions are critical for treatment and prevention of complications of sickle cell disease (SCD), and most SCD patients will receive 1 or more transfusions by age 20. However, SCD alloimmunization remains a serious complication of transfusions that can lead to life-threatening acute and delayed transfusion reactions. Alloimmunization rates are higher in SCD patients most likely due to RBC antigenic differences between largely white donors vs mainly African-American recipients and frequency of transfusions...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913515/cellular-immune-responses-in-red-blood-cell-alloimmunization
#6
James C Zimring, Krystalyn E Hudson
In excess of 340 blood group antigens have now been described that vary between individuals. Thus, any unit of blood that is nonautologous represents a significant dose of alloantigen. Most blood group antigens are proteins, which differ by a single amino acid between donors and recipients. Approximately 1 out of every 70 individuals are transfused each year (in the United States alone), which leads to antibody responses to red blood cell (RBC) alloantigens in some transfusion recipients. When alloantibodies are formed, in many cases, RBCs expressing the antigen in question can no longer be safely transfused...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913506/checkpoint-inhibition-and-cellular-immunotherapy-in-lymphoma
#7
Premal Lulla, Helen E Heslop
Hodgkin and non-Hodgkin lymphoma are both good targets for immunotherapy, as they are accessible to antibodies and cell-based immunotherapy, express costimulatory molecules, and express lineage-restricted, viral, and unique tumor antigens. Blockade of the programmed-death 1 (PD-1) immune checkpoint has produced very encouraging response rates in patients with Hodgkin lymphoma, whereas adoptive transfer of Epstein-Barr Virus (EBV)-specific T cells has shown clinical activity in patients with posttransplant lymphoma and other EBV-associated lymphomas...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913490/heparin-induced-thrombocytopenia-research-and-clinical-updates
#8
Oluwatoyosi Onwuemene, Gowthami M Arepally
Heparin-induced thrombocytopenia (HIT) remains an important diagnosis to consider in hospitalized patients developing thrombocytopenia. HIT is an immune-mediated prothrombotic disorder caused by antibodies to platelet factor 4 (PF4) and heparin. Recent basic scientific studies have advanced our understanding of disease pathogenesis through studies of the PF4/heparin structure, immune mechanisms, and cellular basis of thrombosis. Clinical advances have also occurred in areas of HIT prevention, description of disease variants, and diagnostic strategies...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913489/platelets-in-infectious-disease
#9
Elizabeth Middleton, Matthew T Rondina
Sepsis is a dynamic, acute, infectious disease syndrome characterized by dysregulated thrombo-inflammatory responses. The high mortality associated with sepsis has been recognized since the earliest clinicians' writings. Despite this, advances in the treatment of sepsis have been more modest. This is limited, in part, by the heterogeneity in the definition, population, presentation, and causal factors of infectious syndromes. Given the persistently high morbidity and mortality associated with sepsis, a better understanding of the dysregulated cellular biology underpinning sepsis is needed...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27912911/hesperidin-ameliorates-immunological-outcome-and-reduces-neuroinflammation-in-the-mouse-model-of-multiple-sclerosis
#10
Dariush Haghmorad, Mohammad Bagher Mahmoudi, Zohreh Salehipour, Zoleikha Jalayer, Amir Abbas Momtazi Brojeni, Maryam Rastin, Parviz Kokhaei, Mahmoud Mahmoudi
Multiple sclerosis (MS) is the most abundant central nervous system (CNS) inflammatory disease, which is due to the reaction of auto reactive T cells with own myelin proteins, leading to physical disorder and paralysis among people suffering the disease. Hesperidin, a flavanone glycoside found abundantly in citrus fruits possesses a wide range of pharmacological properties including potential anti-inflammatory and anti-cancer effects. This study was designed to reveal the molecular and cellular mechanisms underlying the effect of hesperidin on MS alleviation...
November 26, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27911910/molecular-markers-of-radiation-induced-attenuation-in-intrahepatic-plasmodium-falciparum-parasites
#11
Miranda S Oakley, Nitin Verma, Hong Zheng, Vivek Anantharaman, Kazuyo Takeda, Yamei Gao, Timothy G Myers, Phuong Thao Pham, Babita Mahajan, Nirbhay Kumar, Davison Sangweme, Abhai K Tripathi, Godfree Mlambo, L Aravind, Sanjai Kumar
Experimental immunization with radiation attenuated sporozoites (RAS) and genetically attenuated sporozoites has proved to be a promising approach for malaria vaccine development. However, parasite biomarkers of growth attenuation and enhanced immune protection in response to radiation remain poorly understood. Here, we report on the effect of an attenuating dose of γ-irradiation (15 krad) on the Plasmodium falciparum sporozoite (PfSPZ) ultrastructure by electron microscopy, growth rate of liver stage P. falciparum in liver cell cultures, and genome-wide transcriptional profile of liver stage parasites by microarray...
2016: PloS One
https://www.readbyqxmd.com/read/27911873/interleukin-8-holds-promise-to-serve-as-a-molecular-adjuvant-in-dna-vaccination-model-against-streptococcus-iniae-infection-in-fish
#12
Erlong Wang, Bo Long, Kaiyu Wang, Jun Wang, Yang He, Xingli Wang, Qian Yang, Tao Liu, Defang Chen, Yi Geng, Xiaoli Huang, Ping Ouyang, Weimin Lai
DNA vaccines had been widely used in animal models against various viral infections, while it was not so convincing for many infectious diseases especially bacterial disease in aquaculture. Interleukin-8(IL-8) as one of the CXC chemokines, its immunological role and adjuvant potential which had been proved in mammals were rarely reported in fish species. In this study, recombination plasmid pcDNA3.1/IL-8(pcIL-8) was conducted and the capacity of IL-8 as molecular adjuvant was explored from several aspects by co-injecting with a DNA vaccine encoding α-enolase(pcENO) against Streptococcus iniae infection in channel catfish...
November 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/27911401/an-optimized-protocol-to-analyze-glycolysis-and-mitochondrial-respiration-in-lymphocytes
#13
Javier Traba, Pietro Miozzo, Billur Akkaya, Susan K Pierce, Munir Akkaya
Lymphocytes respond to a variety of stimuli by activating intracellular signaling pathways, which in turn leads to rapid cellular proliferation, migration and differentiation, and cytokine production. All of these events are tightly linked to the energy status of the cell, and therefore studying the energy-producing pathways may give clues about the overall functionality of these cells. The extracellular flux analyzer is a commonly used device for evaluating the performance of glycolysis and mitochondrial respiration in many cell types...
November 21, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27910963/daratumumab-monoclonal-antibody-therapy-to-treat-multiple-myeloma
#14
C Xia, M Ribeiro, S Scott, S Lonial
Daratumumab (Darzalex[TM]) is a human monoclonal antibody (MAb) that targets CD38; a surface protein highly expressed across multiple myeloma (MM) cells. Preclinical studies have shown daratumumab induces MM cell death through several mechanisms, including complement-dependent cytotoxicity (CDC) antibody-dependent cell-mediated cytotoxicity (ADCC), antibody-dependent cellular phagocytosis (ADCP), apoptosis upon secondary crosslinking and immunomodulatory effects via a decrease in immune suppressive cells. Daratumumab has a favorable toxicity profile and encouraging clinical activity as a single agent and in combination with lenalidomide in heavily pretreated, relapsed patients in whom other novel agents (such as bortezomib, thalidomide and lenalidomide) and stem cell transplant have already failed...
October 2016: Drugs of Today
https://www.readbyqxmd.com/read/27910764/metabolic-regulation-of-natural-killer-cell-ifn-%C3%AE-production
#15
Annelise Y Mah, Megan A Cooper
Metabolism is critical for a host of cellular functions and provides a source of intracellular energy. It has been recognized recently that metabolism also regulates differentiation and effector functions of immune cells. Although initial work in this field has focused largely on T lymphocytes, recent studies have demonstrated metabolic control of innate immune cells, including natural killer (NK) cells. Here, we review what is known regarding the metabolic requirements for NK cell activation, focusing on NK cell production of interferon-gamma (IFN-γ)...
2016: Critical Reviews in Immunology
https://www.readbyqxmd.com/read/27910749/role-of-toll-like-receptors-in-hepatitis-c-virus-pathogenesis-and-treatment
#16
Usman Ali Ashfaq, Muhammad Sarfaraz Iqbal, Saba Khaliq
Viral infections are rising every day, and viruses appear to be the most dangerous pathogens in the world. Hepatitis C virus (HCV) is accepted as one of the major destructive factors of promoting severe hepatic disorders by infecting more than 180 million individuals throughout the world. Chronic infection caused by HCV poses a serious global health emergency and appears to be a powerful threat to humanity. Almost 20 years have passed since the disclosure of HCV, but even now, treatment preferences remain limited...
2016: Critical Reviews in Eukaryotic Gene Expression
https://www.readbyqxmd.com/read/27910098/gata-3-specific-dnazyme-a-novel-approach-for-stratified-asthma-therapy
#17
REVIEW
Holger Garn, Harald Renz
It is now well established that type-2 immune mechanisms drive the inflammation in about 50% of asthma patients. The major cellular and molecular players regulating this important network have been identified. In terms of therapeutic intervention, cytokine and cytokine-receptor pathways have been given major attention, since these molecules are relatively easily accessible for a blockade through monoclonal antibodies, and a number of positive clinical results support this concept. However, targeting events controlling the type-2 immunity network upstream of selective cytokine pathways would be equally attractive...
December 2, 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/27909880/il-9-producing-cells-in-the-development-of-ige-mediated-food-allergy
#18
REVIEW
Dana Shik, Sunil Tomar, Jee-Boong Lee, Chun-Yu Chen, Andrew Smith, Yui-Hsi Wang
Food allergy is a harmful immune reaction driven by uncontrolled type 2 immune responses. Considerable evidence demonstrates the key roles of mast cells, IgE, and TH2 cytokines in mediating food allergy. However, this evidence provides limited insight into why only some, rather than all, food allergic individuals are prone to develop life-threatening anaphylaxis. Clinical observations suggest that patients sensitized to food through the skin early in life may later develop severe food allergies. Aberrant epidermal thymic stromal lymphopoietin and interleukin (IL) 33 production and genetic predisposition can initiate an allergic immune response mediated by dendritic cells and CD4(+)TH2 cells in inflamed skin...
December 1, 2016: Seminars in Immunopathology
https://www.readbyqxmd.com/read/27909791/immunological-evaluation-of-a-dna-cocktail-vaccine-with-co-delivery-of-calcium-phosphate-nanoparticles-capns-against-the-toxoplasma-gondii-rh-strain-in-balb-c-mice
#19
Mohammad Taghi Rahimi, Shahabeddin Sarvi, Mahdi Sharif, Saeid Abediankenari, Ehsan Ahmadpour, Reza Valadan, Mahdi Fasihi- Ramandie, Seyed-Abdollah Hosseini, Ahmad Daryani
Many recent studies have been conducted to evaluate protective immunity mediated by DNA vaccines against toxoplasmosis. Cocktail DNA vaccines showed better immune responses compared to single vaccines. The objective of the current study was to evaluate the protective efficacy of rhomboid 4 (ROM4) and cocktail DNA vaccines (ROM4 + GRA14) of the Toxoplasma gondii RH strain with or without coated calcium phosphate nanoparticles (CaPNs) as the adjuvant to improve the immunogenicity against the T. gondii RH strain in BALB/c mice...
December 2, 2016: Parasitology Research
https://www.readbyqxmd.com/read/27909648/fc%C3%AE-receptors-in-solid-organ-transplantation
#20
REVIEW
Tomas Castro-Dopico, Menna R Clatworthy
In the current era, one of the major factors limiting graft survival is chronic antibody-mediated rejection (ABMR), whilst patient survival is impacted by the effects of immunosuppression on susceptibility to infection, malignancy and atherosclerosis. IgG antibodies play a role in all of these processes, and many of their cellular effects are mediated by Fc gamma receptors (FcγRs). These surface receptors are expressed by most immune cells, including B cells, natural killer cells, dendritic cells and macrophages...
2016: Current Transplantation Reports
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