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Cytokine storm

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https://www.readbyqxmd.com/read/29046356/microrna-302a-suppresses-influenza-a-virus-stimulated-interferon-regulatory-factor-5-expression-and-cytokine-storm-induction
#1
Xueyuan Chen, Li Zhou, Nanfang Peng, Haisheng Yu, Mengqi Li, Zhongying Cao, Yong Lin, Xueyu Wang, Qian Li, Jun Wang, Yinglong She, Chengliang Zhu, Mengji Lu, Ying Zhu, Shi Liu
During influenza A virus (IAV) infection, cytokine storms play a vital and critical role in clinical outcomes. We have previously reported that microRNA (miR)-302c regulates IAV-induced IFN expression by targeting the 3'-UTR of nuclear factor kappa B (NF-κB)-inducing kinase (NIK). In the current study, we found that miR-302a, another member of miR-302 cluster, controls the IAV-induced cytokine storm. According to results from cell-based and knock-out mouse models, IAV induces a cytokine storm via interferon regulatory factor-5 (IRF-5)...
October 18, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29039102/analysis-of-pro-inflammatory-cytokine-and-type-ii-interferon-induction-by-nanoparticles
#2
Timothy M Potter, Barry W Neun, Jamie C Rodriguez, Anna N Ilinskaya, Marina A Dobrovolskaia
Cytokines, chemokines, and interferons are released by the immune cells in response to cellular stress, damage and/or pathogens, and are widely used as biomarkers of inflammation. Certain levels of cytokines are needed to stimulate an immune response in applications such as vaccines or immunotherapy where immune stimulation is desired. However, undesirable elevation of cytokine levels, as may occur in response to a drug or a device, may lead to severe side effects such as systemic inflammatory response syndrome or cytokine storm...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28987599/anti-sepsis-protection-of-xuebijing-injection-is-mediated-by-differential-regulation-of-pro-and-anti-inflammatory-th17-and-t-regulatory-cells-in-a-murine-model-of-polymicrobial-sepsis
#3
Xi Chen, Yuxin Feng, Xiya Shen, Guixiang Pan, Guanwei Fan, Xiumei Gao, Jihong Han, Yan Zhu
ETHNOPHARMACOLOGICAL RELEVANCE: Xuebijing injection (XBJ), a Chinese herbal medicine containing extracts from 5 herbs, is frequently used as an add-on with standard therapies to treat sepsis or septic shock with fewer side effects in China. Nonetheless, its mechanism of action on septic shock remains to be unveiled. We explored the differential effects of XBJ on subtypes of CD4+ T cell differentiation and septic shock protection in a murine model to understand the contribution of XBJ to regulation of the inflammation-immune axis function...
October 4, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28975999/combining-multiple-biomarkers-differentiates-between-active-sjia-sjia-mas-and-ebv-hlh
#4
Lehn K Weaver
Cytokine storm syndromes are a clinically heterogeneous group of conditions resulting from a maladaptive host response to an inflammatory trigger. These syndromes lead to rapid progression of immune-mediated damage to healthy tissues resulting in life-threatening multisystem organ failure. Prompt recognition of disease and medical intervention to limit damage to healthy tissues is essential to prevent cytokine storm morbidity and mortality. However, the diagnosis of cytokine storm syndromes is challenging given the clinical heterogeneity in disease presentations...
October 4, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28951472/ebola-virus-binding-to-tim-1-on-t-lymphocytes-induces-a-cytokine-storm
#5
Patrick Younan, Mathieu Iampietro, Andrew Nishida, Palaniappan Ramanathan, Rodrigo I Santos, Mukta Dutta, Ndongala Michel Lubaki, Richard A Koup, Michael G Katze, Alexander Bukreyev
Ebola virus (EBOV) disease (EVD) results from an exacerbated immunological response that is highlighted by a burst in the production of inflammatory mediators known as a "cytokine storm." Previous reports have suggested that nonspecific activation of T lymphocytes may play a central role in this phenomenon. T-cell immunoglobulin and mucin domain-containing protein 1 (Tim-1) has recently been shown to interact with virion-associated phosphatidylserine to promote infection. Here, we demonstrate the central role of Tim-1 in EBOV pathogenesis, as Tim-1(-/-) mice exhibited increased survival rates and reduced disease severity; surprisingly, only a limited decrease in viremia was detected...
September 26, 2017: MBio
https://www.readbyqxmd.com/read/28944163/weathering-the-storm-improving-therapeutic-interventions-for-cytokine-storm-syndromes-by-targeting-disease-pathogenesis
#6
Lehn K Weaver, Edward M Behrens
Cytokine storm syndromes require rapid diagnosis and treatment to limit the morbidity and mortality caused by the hyperinflammatory state that characterizes these devastating conditions. Herein, we discuss the current knowledge that guides our therapeutic decision-making and personalization of treatment for patients with cytokine storm syndromes. Firstly, ICU-level supportive care is often required to stabilize patients with fulminant disease while additional diagnostic evaluations proceed to determine the underlying cause of cytokine storm...
March 2017: Current Treatment Options in Rheumatology
https://www.readbyqxmd.com/read/28918421/macrophage-activation-syndrome-at-the-onset-of-glucocorticoid-resistant-systemic-lupus-erythematosus-a-case-report
#7
Delia Tulbă, Marius Balea, Cristian Băicuș
INTRODUCTION: Macrophage activation syndrome (MAS) is a life-threatening hyperinflammatory state mediated by uncontrolled cytokine storm and haemophagocytosis. Although rarely reported, MAS might occur in systemic lupus erythematosus (SLE), notably as an inaugural manifestation. Glucocorticoids (GCs) are the cornerstone of SLE therapy. However, in some cases high doses of GCs are required to achieve remission (i.e. glucocorticoid-resistance), leading to significant side effects. CASE REPORT: A 28-year-old Romani male was admitted to our hospital for polyarthralgia, polyserositis and fatigability...
September 16, 2017: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
https://www.readbyqxmd.com/read/28910403/polymicrobial-sepsis-impairs-bystander-recruitment-of-effector-cells-to-infected-skin-despite-optimal-sensing-and-alarming-function-of-skin-resident-memory-cd8-t-cells
#8
Derek B Danahy, Scott M Anthony, Isaac J Jensen, Stacey M Hartwig, Qiang Shan, Hai-Hui Xue, John T Harty, Thomas S Griffith, Vladimir P Badovinac
Sepsis is a systemic infection that enhances host vulnerability to secondary infections normally controlled by T cells. Using CLP sepsis model, we observed that sepsis induces apoptosis of circulating memory CD8 T-cells (TCIRCM) and diminishes their effector functions, leading to impaired CD8 T-cell mediated protection to systemic pathogen re-infection. In the context of localized re-infections, tissue resident memory CD8 T-cells (TRM) provide robust protection in a variety of infectious models. TRM rapidly 'sense' infection in non-lymphoid tissues and 'alarm' the host by enhancing immune cell recruitment to the site of the infection to accelerate pathogen clearance...
September 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28864423/alpha-mangostin-inhibits-both-dengue-virus-production-and-cytokine-chemokine-expression
#9
Mayuri Tarasuk, Pucharee Songprakhon, Pattamawan Chimma, Panudda Sratongno, Kesara Na-Bangchang, Pa-Thai Yenchitsomanus
Since severe dengue virus (DENV) infection in humans associates with both high viral load and massive cytokine production - referred to as "cytokine storm", an ideal drug for treatment of DENV infection should efficiently inhibit both virus production and cytokine expression. In searching for such an ideal drug, we discovered that α-mangostin (α-MG), a major bioactive compound purified from the pericarp of the mangosteen fruit (Garcinia mangostana Linn), which has been used in traditional medicine for several conditions including trauma, diarrhea, wound infection, pain, fever, and convulsion, inhibits both DENV production in cultured hepatocellular carcinoma HepG2 and Huh-7 cells, and cytokine/chemokine expression in HepG2 cells...
August 31, 2017: Virus Research
https://www.readbyqxmd.com/read/28826838/interferon-%C3%AE-driven-inos-a-molecular-pathway-to-terminal-shock-in-arenavirus-hemorrhagic-fever
#10
Melissa M Remy, Mehmet Sahin, Lukas Flatz, Tommy Regen, Lifen Xu, Mario Kreutzfeldt, Benedict Fallet, Camille Doras, Toni Rieger, Lukas Bestmann, Uwe-Karsten Hanisch, Beat A Kaufmann, Doron Merkler, Daniel D Pinschewer
Arenaviruses such as Lassa virus (LASV) cause hemorrhagic fever. Terminal shock is associated with a systemic cytokine storm, but the mechanisms are ill defined. Here we used HLA-A2-expressing mice infected with a monkey-pathogenic strain of lymphocytic choriomeningitis virus (LCMV-WE), a close relative of LASV, to investigate the pathophysiology of arenavirus hemorrhagic fever (AHF). AHF manifested as pleural effusions, edematous skin swelling, and serum albumin loss, culminating in hypovolemic shock. A characteristic cytokine storm included numerous pro-inflammatory cytokines and nitric oxide (NO) metabolites...
September 13, 2017: Cell Host & Microbe
https://www.readbyqxmd.com/read/28808944/effect-of-ha330-resin-directed-hemoadsorption-on-a-porcine-acute-respiratory-distress-syndrome-model
#11
Xuefeng Xu, Chune Jia, Sa Luo, Yanming Li, Fei Xiao, Huaping Dai, Chen Wang
BACKGROUND: Blood purification is an emerging approach to dampening the cytokine storm. This study aims to assess the efficacy of HA330 resin-directed hemoadsorption (HA) on endotoxin-induced porcine acute respiratory distress syndrome (ARDS) model. METHODS: Twenty-four Chinese domestic pigs were allocated into saline group receiving intravenous infusion of saline (N = 6) and endotoxin group receiving intravenous infusion of LPS (N = 18). When ALI model was initially diagnosed, six pigs in the LPS and saline group were killed for BALF and histopathological analysis...
August 14, 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/28801243/peroxiredoxin-2-plays-a-pivotal-role-as-multimodal-cytoprotector-in-the-early-phase-of-pulmonary-hypertension
#12
Enrica Federti, Alessandro Matté, Alessandra Ghigo, Immacolata Andolfo, Cimino James, Angela Siciliano, Christophe Leboeuf, Anne Janin, Francesco Manna, Soo Young Choi, Achille Iolascon, Elisabetta Beneduce, Davide Melisi, Dae Won Kim, Sonia Levi, Lucia De Franceschi
Pulmonary-artery-hypertension (PAH) is a life-threatening and highly invalidating chronic disorder. Chronic oxidation contributes to lung damage and disease progression. Peroxiredoxin-2 (Prx2) is a typical 2-cysteine (Cys) peroxiredoxin but its role on lung homeostasis is yet to be fully defined. Here, we showed that Prx2(-/-) mice displayed chronic lung inflammatory disease associated with (i) abnormal pulmonary vascular dysfunction; and (ii) increased markers of extracellular-matrix remodeling. Hypoxia was used to induce PAH...
August 9, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28762854/lethal-concentration-of-perfluoroisobutylene-induces-acute-lung-injury-in-mice-mediated-via-cytokine-storm-oxidative-stress-and-apoptosis
#13
Yingjie Zhang, Lei Fan, Ronggang Xi, Zhonghua Mao, Dan Shi, Ding Ding, Zhiran Zhang, Xiaobo Wang
Perfluoroisobutylene (PFIB) is a highly toxic gas that targets the lungs. Low-level inhalation of the gas can lead to acute lung injury (ALI), pulmonary edema and even death. No specific anti-PFIB drugs are currently available and the pathogenesis of PFIB-induced ALI is not fully understood. Early direct oxidative injury and a secondary hyper-inflammatory response are recognized as the primary mechanisms of PFIB-induced ALI. In the present study, our data demonstrate for the first time that a cytokine storm is associated with PFIB-induced ALI...
August 1, 2017: Inhalation Toxicology
https://www.readbyqxmd.com/read/28756243/cytokine-profiles-of-pre-engraftment-syndrome-after-single-unit-cord-blood-transplantation-for-adult-patients
#14
Takaaki Konuma, Chisato Kohara, Eri Watanabe, Motoko Mizukami, Etsuko Nagai, Maki Oiwa-Monna, Susumu Tanoue, Masamichi Isobe, Seiko Kato, Arinobu Tojo, Satoshi Takahashi
Clinical manifestation of high-grade fever and skin rash before neutrophil engraftment, termed pre-engraftment syndrome (PES) or pre-engraftment immune reaction, has been frequently observed after cord blood transplantation (CBT). The pathophysiology of PES is poorly understood, but cytokine storm during the early phase of CBT is thought to be 1 of the main cause of PES. However, the cytokine profiles of PES after CBT are unclear. Therefore, we examined the relationship between serum cytokine profiles and PES in 44 adult patients who received CBT in our institution between February 2013 and June 2016...
July 26, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28747721/downregulation-of-interferon-%C3%AE-and-inhibition-of-tlr3-expression-are-associated-with-fatal-outcome-of-severe-fever-with-thrombocytopenia-syndrome
#15
Peixin Song, Nan Zheng, Li Zhang, Yong Liu, Taoyu Chen, Changjun Bao, Zhifeng Li, Wei Yong, Yongyang Zhang, Chao Wu, Zhiwei Wu
Severe Fever with Thrombocytopenia Syndrome (SFTS) is an emerging infectious disease with high mortality and increasing prevalence in the East Asia. Though the etiological agent has been identified as a novel Bunyavirus, cellular mechanisms of viral pathogenesis and host immune response to SFTS virus infection remain unknown. A comprehensive study was conducted on a cohort of 70 patients on clinical manifestations, viral loads, modulation of cytokines, serum interferon level, immune related gene expression in peripheral blood cells, and dynamic changes of circulating dendritic cells during the acute phase of SFTSV infection...
July 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28742082/bacterial-deception-of-mait-cells-in-a-cloud-of-superantigen-and-cytokines
#16
REVIEW
Johan K Sandberg, Anna Norrby-Teglund, Edwin Leeansyah
The bacterium Staphylococcus aureus is an important cause of the life-threatening condition toxic shock syndrome in humans. Bacterial toxins known as superantigens (SAgs) generate this illness by acting as broad activators of a substantial fraction of all T lymphocytes, bypassing the normally highly stringent T-cell receptor antigen specificity to cause a systemic inflammatory cytokine storm in the host. In a new study, Shaler et al. found that immune cells called mucosa-associated invariant T (MAIT) cells make an unexpectedly large contribution to the SAg response in a largely T-cell receptor-independent, cytokine-driven manner...
July 2017: PLoS Biology
https://www.readbyqxmd.com/read/28717082/post-cytokine-release-salt-wasting-as-inverse-tumor-lysis-syndrome-in-a-non-cerebral-natural-killer-cell-neoplasm
#17
Hirotsugu Ariizumi, Yosuke Sasaki, Hiroshi Harada, Yui Uto, Remi Azuma, Tomohide Isobe, Koji Kishimoto, Eisuke Shiozawa, Masafumi Takimoto, Nobuyuki Ohike, Hiraku Mori
The pathogenesis of cerebral/renal salt-wasting syndrome remains unknown. We herein present a case of salt-wasting syndrome with a natural killer-cell neoplasm without cerebral invasion. A 78-year-old man with hemophagocytic syndrome received two cycles of chemotherapy that did not induce tumor lysis syndrome, but repeatedly caused polyuria and natriuresis. The expression of tumor necrosis factor-α in the neoplasm led us to hypothesize that an oncolysis-induced cytokine storm may have caused renal tubular damage and salt wasting...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28688767/the-activation-of-b-cells-enhances-dc-sign-expression-and-promotes-susceptibility-of-b-cells-to-hpai-h5n1-infection
#18
Prasit Na-Ek, Jutarat Thewsoongnoen, Maytawan Thanunchai, Suwimon Wiboon-Ut, Noppadol Sa-Ard-Iam, Rangsini Mahanonda, Arunee Thitithanyanont
The interplay between highly pathogenic avian influenza (HPAI) H5N1 virus and immune cells has been extensively studied for years, as host immune components are thought to play significant roles in promoting the systemic spread of the virus and responsible for cytokine storm. Previous studies suggested that the interaction of B cells and monocytes could promote HPAI H5N1 infection by enhancing avian influenza virus receptor expression. In this study, we further investigate the relationship between the HPAI H5N1 virus, activated B cells, and DC-SIGN expression...
September 2, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28684447/plasmin-regulation-of-acute-cytokine-storm
#19
Jesus Maria Gomez-Salinero, Shahin Rafii
No abstract text is available yet for this article.
July 6, 2017: Blood
https://www.readbyqxmd.com/read/28674818/cytokine-storms-in-infectious-diseases
#20
EDITORIAL
John R Teijaro
No abstract text is available yet for this article.
July 2017: Seminars in Immunopathology
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