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Cytokine dynamics

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https://www.readbyqxmd.com/read/28538176/tonic-lat-hdac7-signals-sustain-nur77-and-irf4-expression-to-tune-naive-cd4%C3%A2-t-cells
#1
Darienne R Myers, Tannia Lau, Evan Markegard, Hyung W Lim, Herbert Kasler, Minghua Zhu, Andrea Barczak, John P Huizar, Julie Zikherman, David J Erle, Weiguo Zhang, Eric Verdin, Jeroen P Roose
CD4(+) T cells differentiate into T helper cell subsets in feedforward manners with synergistic signals from the T cell receptor (TCR), cytokines, and lineage-specific transcription factors. Naive CD4(+) T cells avoid spontaneous engagement of feedforward mechanisms but retain a prepared state. T cells lacking the adaptor molecule LAT demonstrate impaired TCR-induced signals yet cause a spontaneous lymphoproliferative T helper 2 (TH2) cell syndrome in mice. Thus, LAT constitutes an unexplained maintenance cue...
May 23, 2017: Cell Reports
https://www.readbyqxmd.com/read/28531815/chicken-interleukin-1%C3%AE-mutants-are-effective-single-dose-vaccine-adjuvants-that-enhance-mucosal-immune-response
#2
Wen-Ting Chen, Hao-Kai Chang, Cheng-Chung Lin, Shan-Min Yang, Hsien-Sheng Yin
The use of cytokines as adjuvants in poultry is promising because they may enhance immune responses to antigens. In this study, we created two mutants, chicken interleukin-1 beta (ChIL-1β) Q19A and R140A, which exhibited significantly increased in vivo biological activity compared with wild-type ChIL-1β. The potential mucosal adjuvant activity of the mutants Q19A and R140A was evaluated in chickens through the intranasal coadministration of a single dose of the Newcastle disease virus (NDV) vaccine with Q19A or R140A...
May 19, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28526870/time-course-responses-of-circulating-micrornas-to-three-resistance-training-protocols-in-healthy-young-men
#3
Shufang Cui, Biao Sun, Xin Yin, Xia Guo, Dingming Chao, Chunni Zhang, Chen-Yu Zhang, Xi Chen, Jizheng Ma
Circulating microRNAs (c-miRNAs) in human plasma have been described as a potential marker of exercise. The present study investigated the effects of three acute resistance training (RT) protocols on the time-course changes of the c-miRNAs profiles in young males. The subjects (n = 45) were randomly divided into three groups: muscular strength endurance (SE), muscular hypertrophy (MH) and maximum strength (MS). Venous blood samples were obtained before exercise and immediately, 1 h and 24 h after each RT protocol to assess the following biological parameters: c-miRNAs, anabolic and catabolic hormones, inflammatory cytokines and muscle damage markers...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28524018/comparison-of-the-immune-responses-associated-with-experimental-bovine-mastitis-caused-by-different-strains-of-escherichia-coli
#4
Shlomo E Blum, Elimelech D Heller, Shamay Jacoby, Oleg Krifucks, Gabriel Leitner
We studied the mammary immune response to different mammary pathogenic Escherichia coli (MPEC) strains in cows, hypothesising that the dynamics of response would differ. E. coli is a major aetiologic agent of acute clinical bovine mastitis of various degrees of severity with specific strains being associated with persistent infections. We compared challenge with three distinct pathogenic MPEC strains (VL2874, VL2732 and P4), isolated from different forms of mastitis (per-acute, persistent and acute, respectively)...
May 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/28521720/the-role-of-il-27-and-its-receptor-in-the-pathogenesis-of-hiv-aids-and-anti-viral-immune-response
#5
Yu-Huang Zheng, Shui-Ling Xiao, Bo He, Yan He, Hua-Ying Zhou, Zi Chen, Mei He, Hong-Yan Wang, Yi-He Lin, Jing Cao
BACKGROUND: Cytokines have been widely demonstrated to involve in the pathogenesis of AIDS and the mechanisms of antiretroviral therapy. Interleukin 27 (IL-27) is a new member of the IL-12 cytokine family and has been shown to interfere HIV-1 virus replication with controversial findings. This study is to investigate the dynamic changes in plasma IL-27 level and cell surface IL-27 receptor expression in HIV/AIDS patients who underwent HAART. METHODS: Whole blood was collected from 34 HIV-positive/AIDS patients 0, 6, and 12 months after initiation of HAART and 27 healthy subjects...
May 17, 2017: Current HIV Research
https://www.readbyqxmd.com/read/28514348/-dynamics-of-immunological-features-of-oral-liquid-in-children-with-chronic-catarrhal-gingivitis-living-on-polluted-territories-with-fluoride-and-iodine-deficiency
#6
N V Malko, E V Besvushko
The aim of the study was to assess the state of oral liquid (OL) immunity in children with chronic catarrhal gingivitis (CCG) living in adverse environmental conditions. 120 children aged 7-15 residing in ecologically unfavorable areas of Lviv region were examined, while 75 children living in 'relatively clean' region were involved in the control group. Chronic catarrhal gingivitis was diagnosed according to Danilevskiy classification (1994). The level of cytokines in oral liquid of 7-years-old children living in ecologically polluted region (EPR), was (198...
2017: Stomatologii︠a︡
https://www.readbyqxmd.com/read/28512460/immunological-aspect-of-radiation-induced-pneumonitis-current-treatment-strategies-and-future-prospects
#7
REVIEW
Anup Kainthola, Teena Haritwal, Mrinialini Tiwari, Noopur Gupta, Suhel Parvez, Manisha Tiwari, Hrideysh Prakash, Paban K Agrawala
Delivery of high doses of radiation to thoracic region, particularly with non-small cell lung cancer patients, becomes difficult due to subsequent complications arising in the lungs of the patient. Radiation-induced pneumonitis is an early event evident in most radiation exposed patients observed within 2-4 months of treatment and leading to fibrosis later. Several cytokines and inflammatory molecules interplay in the vicinity of the tissue developing radiation injury leading to pneumonitis and fibrosis. While certain cytokines may be exploited as biomarkers, they also appear to be a potent target of intervention at transcriptional level...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28511160/features-of-some-clinical-examination-parameters-in-patients-with-psoriatic-arthritis
#8
Оrysya Syzon, Iryna Voznyak, Marianna Dashko
INTRODUCTION: The relationship of cause-and-effect mechanisms of exacerbation and progressing with defining of the role of stress reaction in the psoriatic arthritis (PA) development has been examined in the article by analyzing the characteristics of medical history, current dynamics as well as clinical, instrumental and laboratory examinations. The objective was to study the role of basic indices of laboratory examinations of patients used clarify their role in the pathogenesis of PA...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28509314/influence-of-oxygen-concentration-on-t-cell-proliferation-and-susceptibility-to-apoptosis-in-healthy-men-and-women
#9
Agnieszka Waskowska, Katarzyna A Lisowska, Agnieszka Daca, Izabella Henc, Fredrik Brandberg, Paula Mazurek, Edyta Brzustewicz, Jacek M Witkowski, Ewa Bryl
INTRODUCTION: Much of what we know about the functioning of human T lymphocytes is based on the experiments carried out in atmospheric oxygen (O₂) concentrations, which are significantly higher than those maintained in blood. Interestingly, the gender differences in the activity of T cells and their susceptibility to apoptosis under different O₂ conditions have not yet been described. The aim of the study was to compare two main markers of lymphocyte function: proliferation capacity and ability to produce cytokines as well as their susceptibility to apoptosis under two different O₂ concentrations, between men and women...
2017: Folia Histochemica et Cytobiologica
https://www.readbyqxmd.com/read/28507927/immune-dysfunction-in-cirrhosis
#10
REVIEW
Mohd Talha Noor, Piyush Manoria
Cirrhosis due to any etiology disrupts the homeostatic role of liver in the body. Cirrhosis-associated immune dysfunction leads to alterations in both innate and acquired immunity, due to defects in the local immunity of liver as well as in systemic immunity. Cirrhosis-associated immune dysfunction is a dynamic phenomenon, comprised of both increased systemic inflammation and immunodeficiency, and is responsible for 30% mortality. It also plays an important role in acute as well as chronic decompensation. Immune paralysis can accompany it, which is characterized by increase in anti-inflammatory cytokines and suppression of proinflammatory cytokines...
March 28, 2017: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/28507791/the-mutational-status-of-p53-can-influence-its-recognition-by-human-t-cells
#11
Katerina Shamalov, Shlomo N Levy, Miryam Horovitz-Fried, Cyrille J Cohen
p53 was reported to be an attractive immunotherapy target because it is mutated in approximately half of human cancers, resulting in its inactivation and often accumulation in tumor cells. Peptides derived from p53 are presented by class I MHC molecules and may act as tumor-associated epitopes which could be targeted by p53-specific T cells. Interestingly, it was recently shown that there is a lack of significant correlation between p53 expression levels in tumors and their recognition by p53-TCR transduced T cells...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28507788/adaptive-t-cell-responses-induced-by-oncolytic-herpes-simplex-virus-granulocyte-macrophage-colony-stimulating-factor-therapy-expanded-by-dendritic-cell-and-cytokine-induced-killer-cell-adoptive-therapy
#12
Jun Ren, William R Gwin, Xinna Zhou, Xiaoli Wang, Hongyan Huang, Ni Jiang, Lei Zhou, Pankaj Agarwal, Amy Hobeika, Erika Crosby, Zachary C Hartman, Michael A Morse, Kevin H Eng, H Kim Lyerly
Purpose: Although local oncolytic viral therapy (OVT) may enhance tumor lysis, antigen release, and adaptive immune responses, systemic antitumor responses post-therapy are limited. Adoptive immunotherapy with autologous dendritic cells (DC) and cytokine-induced killer cells (DC-CIK) synergizes with systemic therapies. We hypothesized that OVT with Herpes Simplex Virus-granulocyte macrophage-colony-stimulating factor (HSV-GM-CSF) would induce adaptive T cell responses that could be expanded systemically with sequential DC-CIK therapy...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28507024/cutting-edge-differential-fine-tuning-of-il-2-and-il-15-dependent-functions-by-targeting-their-common-il-2-15r%C3%AE-%C3%AE-c-receptor
#13
Dihia Meghnem, Sébastien Morisseau, Marie Frutoso, Kilian Trillet, Mike Maillasson, Isabelle Barbieux, Sarah Khaddage, Isabelle Leray, Markus Hildinger, Agnès Quéméner, Yannick Jacques, Erwan Mortier
Interleukin 2 and IL-15 are two closely related cytokines, displaying important functions in the immune system. They share the heterodimeric CD122/CD132 receptor to deliver their signals within target cells. Their specificity of action is conferred by their α receptor chains, IL-2Rα and IL-15Rα. By combining an increased affinity for CD122 and an impaired recruitment of CD132, we have generated an original molecule named IL-2Rβ/γ (CD122/CD132) inhibitor (BiG), targeting the CD122/CD132 receptor. BiG efficiently inhibited IL-15- and IL-2-dependent functions of primary cells, including CD8 T and NK cells, in vitro and in vivo...
May 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28506570/the-local-liver-ablation-with-pulsed-electric-field-stimulate-systemic-immune-reaction-against-hepatocellular-carcinoma-hcc-with-time-dependent-cytokine-profile
#14
Xinhua Chen, Zhigang Ren, Shengyong Yin, Yuning Xu, Danjing Guo, Haiyang Xie, Lin Zhou, Liming Wu, Jianwen Jiang, Hongchun Li, Junhui Sun, Shusen Zheng
AIM: How irreversible electroporation (IRE) affect immune status is still kept unknown. This preclinical study is to investigate its local and systemic immune reaction both on tumor-bearing and tumor free animals. METHODS: Liver ablation was performed by a standard IRE instrument and proposal. Altogether 57 tumor bearing mice and 10 tumor-free porcine livers were ablated. The reaction of survival, radiology image, pathologically and immunologically were followed up...
May 12, 2017: Cytokine
https://www.readbyqxmd.com/read/28501635/determining-the-role-of-inflammation-in-the-selection-of-jak2-mutant-cells-in-myeloproliferative-neoplasms
#15
Jie Zhang, Angela G Fleischman, Dominik Wodarz, Natalia L Komarova
Myeloproliferative neoplasm (MPN) is a hematologic malignancy characterized by the clonal outgrowth of hematopoietic cells with a somatically acquired mutation most commonly in JAK2 (JAK2(V617F)). This mutation endows upon myeloid progenitors cytokine independent growth and consequently leads to excessive production of myeloid lineage cells. It has been previously suggested that inflammation may play a role in the clonal evolution of JAK2(V617F) mutants. In particular, it is possible that one or more cellular kinetic parameters of hematopoietic stem cells (HSCs) are affected by inflammation, such as division or death rates of cells, and the probability of HSC differentiation...
May 10, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28497365/clinical-utility-of-soluble-interleukin-2-receptor-in-hemophagocytic-syndromes-a-systematic-scoping-review
#16
REVIEW
Molly Lin, Sujin Park, Anna Hayden, Dean Giustini, Martina Trinkaus, Morris Pudek, Andre Mattman, Marion Schneider, Luke Y C Chen
The serum-soluble interleukin-2 receptor (sIL-2r) level is considered an important diagnostic test and disease marker in hemophagocytic syndromes/hemophagocytic lymphohistiocytosis (HPS/HLH). However, this cytokine receptor is rarely measured in clinical practice and has been excluded from recent diagnostic/classification criteria such as the HScore and macrophage activation syndrome (MAS) 16. We performed a systematic scoping review of 64 articles (1975-2016) examining the clinical utility of sIL-2r in HPS/HLH...
May 12, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28490597/molluscum-contagiosum-virus-protein-mc005-inhibits-nf%C3%AE%C2%BAb-activation-by-targeting-nemo-regulated-ikk-activation
#17
Gareth Brady, Darya A Haas, Paul J Farrell, Andreas Pichlmair, Andrew G Bowie
Molluscum Contagiosum Virus (MCV), the only known extant, human-adapted poxvirus, causes a long-duration infection characterized by skin lesions that typically display an absence of inflammation despite containing high titres of live virus. Despite this curious presentation, MCV is very poorly characterized in terms of host-pathogen interactions. The absence of inflammation around MCV lesions suggests the presence of potent inhibitors of human anti-viral immunity and inflammation. However, only a small number of MCV immunomodulatory genes have been characterized in detail...
May 10, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28490538/cellular-constituents-of-the-prostate-stroma-key-contributors-to-prostate-cancer-progression-and-therapy-resistance
#18
Christine Levesque, Peter S Nelson
Reciprocal signaling between prostate stroma and its epithelium are fundamental to organ development and homeostasis. Similarly, interactions between tumor cells and stromal constituents are central to key aspects of carcinogenesis and malignancy growth involving tumor cell invasion, dissemination, and growth in distant sites. The prostate stroma is complex with several distinct resident cell types, infiltrating nonresident cell types and an amalgam of structural matrix factors, matricellular proteins, metabolites, growth factors, and cytokines...
May 10, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28489942/biotunable-nanoplasmonic-filter-on-few-layer-mos2-for-rapid-and-highly-sensitive-cytokine-optoelectronic-immunosensing
#19
Younggeun Park, Byunghoon Ryu, Bo-Ram Oh, Yujing Song, Xiaogan Liang, Katsuo Kurabayashi
Monitoring of the time-varying immune status of a diseased host often requires rapid and sensitive detection of cytokines. Metallic nanoparticle-based localized surface plasmon resonance (LSPR) biosensors hold promise to meet this clinical need by permitting label-free detection of target biomolecules. These biosensors, however, continue to suffer from relatively low sensitivity as compared to conventional immunoassay methods that involve labeling processes. Their response speeds also need to be further improved to enable rapid cytokine quantification for critical care in a timely manner...
May 16, 2017: ACS Nano
https://www.readbyqxmd.com/read/28489271/successful-treatment-of-kshv-inflammatory-cytokine-syndrome-kics-after-kidney-liver-transplant-correlations-with-hhv8-mirnome-and-specific-t-cell-response
#20
Alessandra Mularoni, Alessia Gallo, Giovanni Riva, Patrizia Barozzi, Monica Miele, Giovanni Cardinale, Giovanni Vizzini, Riccardo Volpes, Paolo Grossi, Daniele Di Carlo, Angelo Luca, Tommaso Trenti, Mario Luppi, Pier Giulio Conaldi
In post-transplant patients, HHV-8/KSHV infection is known to cause aggressive tumors, as well as severe non-neoplastic complications. These latter syndromes are driven by HHV-8/KSHV lytic reactivations and related hyper-inflammatory host responses, typically characterized by high viral loads, elevated levels of cytokines and other inflammation biomarkers, cytopenia, organ failure, high fever, and worsening conditions (with no evidence of B-cell neoplasias). These disorders are associated with a high mortality rate, often due to lack of prompt diagnosis, effective therapeutic approaches, and adequate follow up...
May 10, 2017: American Journal of Transplantation
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