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Immunity, Inflammation and Disease

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https://www.readbyqxmd.com/read/28805308/lymphocyte-profile-and-cytokine-mrna-expression-in-peripheral-blood-mononuclear-cells-of-patients-with-recurrent-respiratory-papillomatosis-suggest-dysregulated-cytokine-mrna-response-and-impaired-cytotoxic-capacity
#1
Anna Holm, Olga Nagaeva, Ivan Nagaev, Christos Loizou, Göran Laurell, Lucia Mincheva-Nilsson, Karin Nylander, Katarina Olofsson
OBJECTIVES: Recurrent respiratory papillomatosis (RRP) is a relatively rare, chronic disease caused by Human Papilloma Virus (HPV) 6 and 11, and characterized by wart-like lesions in the airway affecting voice and respiratory function. The majority of HPV infections are asymptomatic and resolve spontaneously, however, some individuals are afflicted with persistent HPV infections. Failure to eliminate HPV 6 and 11 due to a defect immune responsiveness to these specific genotypes is proposed to play a major role in the development of RRP...
August 14, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28776958/transgenic-mice-with-ectopic-expression-of-constitutively-active-tlr4-in-adipose-tissues-do-not-show-impaired-insulin-sensitivity
#2
Kikumi D Ono-Moore, Ling Zhao, Shurong Huang, Jeonga Kim, Jennifer M Rutkowsky, Ryan G Snodgrass, Dina A Schneider, Michael J Quon, James L Graham, Peter J Havel, Daniel H Hwang
INTRODUCTION: Chronic low-grade inflammation is associated with obesity and diabetes. However, what causes and mediates chronic inflammation in metabolic disorders is not well understood. Toll-like receptor 4 (TLR4) mediates both infection-induced and sterile inflammation by recognizing pathogen-associated molecular patterns and endogenous molecules, respectively. Saturated fatty acids can activate TLR4, and TLR4-deficient mice were protected from high fat diet (HFD)-induced obesity and insulin resistance, suggesting that TLR4-mediated inflammation may cause metabolic dysfunction, such as obesity and insulin resistance...
August 4, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28730605/contributions-of-interleukin-33-and-tslp-in-a-papain-soaked-contact-lens-induced-mouse-conjunctival-inflammation-model
#3
Jobu Sugita, Yosuke Asada, Waka Ishida, Satoshi Iwamoto, Katsuko Sudo, Hajime Suto, Toru Matsunaga, Ken Fukuda, Atsuki Fukushima, Norihiko Yokoi, Tatsukuni Ohno, Miyuki Azuma, Nobuyuki Ebihara, Hirohisa Saito, Masato Kubo, Susumu Nakae, Akira Matsuda
INTRODUCTION: Pathological changes of severe chronic allergic conjunctivitis are driven not only via acquired immunity but also via innate immunity. Type 2 immune response-initiating cytokines may play some roles as innate immunity-dependent components of the ocular surface inflammation. To investigate the involvement of type 2 immune response-initiating cytokines in innate immunity-dependent, papain-induced conjunctival inflammation model using IL-25-, IL-33-, and TSLP receptor (TSLPR)-knockout (KO) mice with reference to basophils and ILC2...
July 20, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28722316/the-mincle-ligand-trehalose-dibehenate-differentially-modulates-m1-like-and-m2-like-macrophage-phenotype-and-function-via-syk-signaling
#4
Kristel Kodar, Jacquie L Harper, Melanie J McConnell, Mattie S M Timmer, Bridget L Stocker
INTRODUCTION: Macrophages play a significant role in the progression of diseases, such as cancer, making them a target for immune-modulating agents. Trehalose dibehenate (TDB) is known to activate M1-like macrophages via Mincle, however, the effect of TDB on M2-like macrophages, which are found in the tumor microenvironment, has not been studied. METHODS: qRT-PCR, flow cytometry, cytokine ELISA, and Western Blotting were used to study the effect of TDB on GM-CSF and M-CSF/IL-4 derived bone marrow macrophages (BMMs) from C57BL/6 and Mincle(-/-) mice...
July 19, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28695716/alterations-of-oncogenes-expression-in-nk-cells-in-patients-with-cancer
#5
Gulnur K Zakiryanova, Elena Kustova, Nataliya T Urazalieva, Aday Amirbekov, Emile T Baimuchametov, Narymzhan N Nakisbekov, Michael R Shurin
INTRODUCTION: C-kit/SCF signaling plays a key role in regulating NK cell homeostasis, maturation, proliferation, and cytotoxicity. C-kit-deficiency in NK cells results in significant reduction of their number, suggesting an imperative role for c-kit signaling in NK cell biology. We have recently showed that human NK cells express not only c-kit-receptor, but also both membrane-bound and soluble forms of c-kit ligand-Stem cell factor. The goal of this study was to characterize the c-kit/SCF autocrine loop in peripheral blood NK cells obtained from patients with cancer...
July 10, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28685994/gibberellin-regulated-protein-in-japanese-apricot-is-an-allergen-cross-reactive-to-pru-p-7
#6
Naoko Inomata, Mami Miyakawa, Michiko Aihara
BACKGROUND: Gibberellin-regulated protein (GRP, also known as peamaclein) was recently identified as a new marker allergen related to systemic reactions in peach allergy; however, its role in other fruit allergies is unknown. OBJECTIVE: To investigate the allergenicity of Japanese apricot (JA) GRP and clarify the clinical characteristics of JA allergy patients with GRP sensitization. METHODS: Seven patients (two males, five females, mean age 28...
July 6, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28685972/kir2ds5-allotypes-that-recognize-the-c2-epitope-of-hla-c-are-common-among-africans-and-absent-from-europeans
#7
Jeroen H Blokhuis, Hugo G Hilton, Lisbeth A Guethlein, Paul J Norman, Neda Nemat-Gorgani, Annettee Nakimuli, Olympe Chazara, Ashley Moffett, Peter Parham
INTRODUCTION: KIR2DS5 is an activating human NK cell receptor of lineage III KIR. These include both inhibitory KIR2DL1, 2 and 3 and activating KIR2DS1 that recognize either the C1 or C2 epitope of HLA-C. In Europeans KIR2DS5 is essentially monomorphic, with KIR2DS5*002 being predominant. Pioneering investigations showed that KIR2DS5*002 has activating potential, but cannot recognize HLA-A, -B, or -C. Subsequent studies have shown that KIR2DS5 is highly polymorphic in Africans, and that KIR2DS5*006 protects pregnant Ugandan women from preeclampsia...
July 6, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28681454/human-monocytes-downregulate-innate-response-receptors-following-exposure-to-the-microbial-metabolite-n-butyrate
#8
Felix Lasitschka, Thomas Giese, Marco Paparella, Stefan R Kurzhals, Guido Wabnitz, Katrin Jacob, Judith Gras, Konrad A Bode, Anne-Kristin Heninger, Timea Sziskzai, Yvonne Samstag, Cornelia Leszinski, Bettina Jocher, Mohammed Al-Saeedi, Stefan C Meuer, Jutta Schröder-Braunstein
INTRODUCTION: Hyporesponsiveness of human lamina propria immune cells to microbial and nutritional antigens represents one important feature of intestinal homeostasis. It is at least partially mediated by low expression of the innate response receptors CD11b, CD14, CD16 as well as the cystine-glutamate transporter xCT on these cells. Milieu-specific mechanisms leading to the down-regulation of these receptors on circulating monocytes, the precursor cells of resident macrophages, are mostly unknown...
July 6, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28660664/engaging-ly-6a-sca-1-triggers-lipid-raft-dependent-and-independent-responses-in-cd4-t-cell-lines
#9
Melissa A Lang, Sultan A Jenkins, Phillip Balzano, Adeyinka Owoyele, Akshay Patel, Anil K Bamezai
INTRODUCTION: The lymphocyte antigen 6 (Ly-6) supergene family encodes proteins of 12-14 kda in molecular mass that are either secreted or anchored to the plasma membrane through a glycosyl-phosphatidylinisotol (GPI) lipid anchor at the carboxy-terminus. The lipidated GPI-anchor allows localization of Ly-6 proteins to the 10-100 nm cholesterol-rich nano-domains on the membrane, also known as lipid rafts. Ly-6A/Sca-1, a member of Ly-6 gene family is known to transduce signals despite the absence of transmembrane and cytoplasmic domains...
June 28, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28621034/depletion-of-foxp3-tregs-improves-control-of-larval-echinococcus-multilocularis-infection-by-promoting-co-stimulation-and-th1-17-immunity
#10
Junhua Wang, Stephan Müller, Renyong Lin, Myriam Siffert, Dominique A Vuitton, Hao Wen, Bruno Gottstein
INTRODUCTION: The growth potential of the tumor-like Echinococcus multilocularis metacestode (causing alveolar echinococcosis, AE) is directly linked to the nature/function of the periparasitic host immune-mediated processes. Previous studies had shown that regulatory T cells (Tregs) become gradually up-regulated in the course of both chronic human and murine AE. Thus we now tackled the role of FoxP3(+) Tregs and FoxP3(+) -Treg-regulated immune response in contributing to the control of this helminthic infection...
June 16, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28597552/branched-chain-%C3%AE-ketoacid-dehydrogenase-kinase-111-130-a-t-cell-epitope-that-induces-both-autoimmune-myocarditis-and-hepatitis-in-a-j-mice
#11
Bharathi Krishnan, Chandirasegaran Massilamany, Rakesh H Basavalingappa, Arunakumar Gangaplara, Guobin Kang, Qingsheng Li, Francisco A Uzal, Jennifer L Strande, Gustavo A Delhon, Jean-Jack Riethoven, David Steffen, Jay Reddy
INTRODUCTION: Organ-specific autoimmune diseases are believed to result from immune responses generated against self-antigens specific to each organ. However, when such responses target antigens expressed promiscuously in multiple tissues, then the immune-mediated damage may be wide spread. METHODS: In this report, we describe a mitochondrial protein, branched chain α-ketoacid dehydrogenase kinase (BCKDk ) that can act as a target autoantigen in the development of autoimmune inflammatory reactions in both heart and liver...
June 9, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28580612/utility-of-basophil-activation-testing-to-assess-perioperative-anaphylactic-reactions-in-real-world-practice
#12
Bernadette Eberlein, Sibylle Wigand, Heidrun Lewald, Eberhard Kochs, Johannes Ring, Tilo Biedermann, Ulf Darsow
INTRODUCTION: Perioperative anaphylactic reactions due to drugs and substances associated with general anesthesia can potentially be life-threatening. The objective of this study was to investigate the significance of the basophil activation test (BAT) for allergy diagnosis work up. METHODS: A total of 14 patients (5 men, 9 women; mean age: 57.8 years) with clinical records of anaphylactic reactions under general anesthesia were studied by means of anesthesia records, skin and serological tests...
June 5, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28560793/tregitopes-and-impaired-antigen-presentation-drivers-of-the-immunomodulatory-effects-of-ivig
#13
Laetitia Sordé, Sebastian Spindeldreher, Ed Palmer, Anette Karle
INTRODUCTION: Although intravenous immunoglobulin (IVIg) is commonly used in the clinic to treat various autoimmune and severe inflammatory diseases, the mode of action is not fully elucidated. This work investigates two proposed mechanisms: (1) the potential role of regulatory T-cell epitopes (Tregitopes) from the constant domain of IgG in the immunosuppressive function of IVIg; and (2) a potential impact of IVIg on the ability of antigen presenting cells (APCs) to present peptides. METHODS AND RESULTS: Investigation of the HLA class II peptide repertoire from IVIg-loaded dendritic cells (DCs) via MHC-associated peptide proteomics (MAPPs) revealed that numerous IgG-derived peptides were strongly presented along the antibody sequence...
May 31, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28548248/the-emerging-role-of-interleukin-37-in-cardiovascular-diseases
#14
REVIEW
Xinyu Zhuang, Bangwei Wu, Jian Li, Haiming Shi, Bo Jin, Xinping Luo
INTRODUCTION: Interleukin (IL)-37 is a newly identified member of the IL-1 family, and shows a growing role in a variety of diseases. This review aims at summarizing and discussing the role of IL-37 in cardiovascular diseases. METHODS: Data for this review were identified by searches of MEDLINE, Embase, and PubMed using appropriate search terms. RESULTS: IL-37 is a newly identified cytokine belonging to the IL-1 family and is expressed in inflammatory immune cells and several parenchymal cells...
May 26, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28544689/class-ii-obese-and-healthy-pregnant-controls-exhibit-indistinguishable-pro-and-anti-inflammatory-immune-responses-to-caesarian-section
#15
Caroline Graham, Mullein Thorleifson, William P Stefura, Duane J Funk, Kent T HayGlass
INTRODUCTION: Obesity during pregnancy is associated with meta-inflammation and an increased likelihood of clinical complications. Surgery results in intense, acute inflammatory responses in any individual. Because obese individuals exhibit constitutive inflammatory responses and high rates of Caesarian section, it is important to understand the impact of surgery in such populations. Whether more pronounced pro-inflammatory cytokine responses and/or counterbalancing changes in anti-inflammatory immune modulators occurs is unknown...
May 25, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28544524/increase-of-cells-expressing-pd-1-and-pd-l1-and-enhancement-of-ifn-%C3%AE-production-via-pd-1-pd-l1-blockade-in-bovine-mycoplasmosis
#16
Shinya Goto, Satoru Konnai, Tomohiro Okagawa, Asami Nishimori, Naoya Maekawa, Satoshi Gondaira, Hidetoshi Higuchi, Masateru Koiwa, Motoshi Tajima, Junko Kohara, Satoshi Ogasawara, Yukinari Kato, Yasuhiko Suzuki, Shiro Murata, Kazuhiko Ohashi
INTRODUCTION: Bovine mycoplasma, chiefly Mycoplasma bovis, is a pathogen that causes pneumonia, mastitis, arthritis, and otitis media in cattle. This pathogen exerts immunosuppressive effects, such as the inhibition of interferon production. However, the mechanisms involved in bovine mycoplasmosis have not been fully elucidated. In this study, we investigated the role of the programmed death-1 (PD-1)/programmed death-ligand 1 (PD-L1) pathway in immunosuppression in bovine mycoplasmosis...
May 24, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28474508/complete-freund-s-adjuvant-induces-experimental-autoimmune-myocarditis-by-enhancing-il-6-production-during-initiation-of-the-immune-response
#17
Jillian A Fontes, Jobert G Barin, Monica V Talor, Natalie Stickel, Julie Schaub, Noel R Rose, Daniela Čiháková
INTRODUCTION: Complete Freund's Adjuvant (CFA) emulsified with an antigen is a widely used method to induce autoimmune disease in animal models, yet the contribution of CFA to the immune response is not well understood. We compared the effectiveness of CFA with Incomplete Freund's Adjuvant (IFA) or TiterMax Gold Adjuvant (TMax) in experimental autoimmune myocarditis (EAM) in male mice. METHODS: EAM was induced in A/J, BALB/c, and IL6KO BALB/c male mice by injection of the myocarditogenic peptide in CFA, IFA, or TMax on days 0 and 7...
June 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28474507/il-17f-induces-il-6-via-tak1-nf%C3%AE%C2%BAb-pathway-in-airway-smooth-muscle-cells
#18
Masayuki Nakajima, Mio Kawaguchi, Kyoko Ota, Junichi Fujita, Satoshi Matsukura, Shau-Ku Huang, Yuko Morishima, Yukio Ishii, Hiroaki Satoh, Tohru Sakamoto, Nobuyuki Hizawa
INTRODUCTION: Interleukin (IL)-17F plays a critical role in the pathophysiology of asthma. However, the precise role of IL-17F in airway smooth muscle cells (ASMCs) and its regulatory mechanisms remain to be defined. Therefore, we sought to investigate the expression of IL-6 by IL-17F and the involvement of transforming growth factor β-activated kinase 1 (TAK1) and nuclear factor (NF)-κB by in ASMCs. METHODS: ASMCs were cultured in the presence or absence of IL-17F...
June 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28474506/expression-of-the-inhibitory-receptor-nkg2a-correlates-with-increased-liver-and-splenic-nk-cell-response-to-activating-receptor-engagement
#19
Claire E Meyer, Phillip N Key, Toby Zhu, Mark Shabsovich, Ann Ni, Sandeep K Tripathy
INTRODUCTION: Natural killer (NK) cells play a critical role in the innate immune response to viruses and tumors, and comprise a large proportion of the hepatic lymphocyte population. They must remain tolerant to non-pathogenic antigens while protecting the host from harmful agents. Herein, we investigate how the NK cell response to activation receptor engagement is altered in the liver. METHODS: In this study, we assess IFN-γ production and degranulation of splenic NK cells and selected subsets of liver NK cells...
June 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28474505/house-dust-mite-specific-immunotherapy-with-two-licensed-vaccines-outcome-under-clinical-routine-conditions
#20
Vera Mahler, Christian Klein, Angelika Sager, Jürgen Zimmermann
INTRODUCTION: House dust mite (HDM) allergens are major causes for the development of allergic diseases. A disease modifying effect and clinical benefit of allergen immunotherapy (AIT) has been demonstrated in a number of clinical trials. Clinical trials, however, are carried out in selected populations under specific conditions based on inclusion and exclusion criteria and may not represent the entire patient population from medical practice. Objective of this study conducted in patients with HDM allergy was to systematically collect information about the benefit of AIT under clinical routine conditions...
June 2017: Immunity, Inflammation and Disease
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