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Cytokine storm

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https://www.readbyqxmd.com/read/28808944/effect-of-ha330-resin-directed-hemoadsorption-on-a-porcine-acute-respiratory-distress-syndrome-model
#1
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
#2
Enrica Federti, Alessandro Matte', 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 homestasis 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 8, 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
#3
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
#4
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 prior to neutrophil engraftment, which is called 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 one 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 institute 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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
EDITORIAL
John R Teijaro
No abstract text is available yet for this article.
July 2017: Seminars in Immunopathology
https://www.readbyqxmd.com/read/28669446/inflammation-and-myeloproliferative-neoplasms
#11
REVIEW
Federico Lussana, Alessandro Rambaldi
Myeloproliferative neoplasms (MPN) include three main entities: Polycythemia Vera (PV), Essential Thrombocythemia (ET), and Myelofibrosis (MF). MPN represent a unique model of the relationship between the clonal development of a hematologic malignancy and chronic inflammation. The neoplastic clone is the main driver of this inflammatory reaction as demonstrated by the curative effect of allogeneic stem cell transplantation which leads not only to a complete restore of the hematopoiesis, but also to regression of bone marrow fibrosis...
June 29, 2017: Journal of Autoimmunity
https://www.readbyqxmd.com/read/28645275/rapid-monocyte-infiltration-following-retinal-detachment-is-dependent-on-non-canonical-il6-signaling-through-gp130
#12
Xinlei Wang, Eric B Miller, Mayank Goswami, Pengfei Zhang, Kaitryn E Ronning, Sarah J Karlen, Robert J Zawadzki, Edward N Pugh, Marie E Burns
BACKGROUND: Retinal detachment (RD) can lead to proliferative vitreoretinopathy (PVR), a leading cause of intractable vision loss. PVR is associated with a cytokine storm involving common proinflammatory molecules like IL6, but little is known about the source and downstream signaling of IL6 and the consequences for the retina. Here, we investigated the early immune response and resultant cytokine signaling following RD in mice. METHODS: RD was induced in C57BL/6 J and IL6 knockout mice, and the resulting inflammatory response was examined using immunohistochemistry and flow cytometry...
June 23, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28640516/damp-molecular-il-33-augments-monocytic-inflammatory-storm-in-hepatitis-b-precipitated-acute-on-chronic-liver-failure
#13
Xing X Du, Yu Shi, Ying Yang, Ye Yu, Hua G Lou, Fang F Lv, Zhi Chen, Qiao Yang
BACKGROUND & AIMS: Patients with acute-on-chronic liver failure (ACLF) usually exhibit defective monocyte function and excessive systemic inflammatory response. Interleukin-33 (IL-33) acts as a danger-associated molecular pattern (DAMP) to modulate immune response. However, the role of IL-33 in regulating monocyte function during hepatitis B-precipitated ACLF (HB-ACLF) in response to lipopolysaccharide (LPS) has not been clear. METHODS: In this study, the levels of IL-33/ST2 in blood and liver samples collected from patients with HB-ACLF, chronic hepatitis B (CHB) and normal controls and the associated of those findings with disease severity were analysed...
June 22, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28632753/mait-cells-launch-a-rapid-robust-and-distinct-hyperinflammatory-response-to-bacterial-superantigens-and-quickly-acquire-an-anergic-phenotype-that-impedes-their-cognate-antimicrobial-function-defining-a-novel-mechanism-of-superantigen-induced-immunopathology
#14
Christopher R Shaler, Joshua Choi, Patrick T Rudak, Arash Memarnejadian, Peter A Szabo, Mauro E Tun-Abraham, Jamie Rossjohn, Alexandra J Corbett, James McCluskey, John K McCormick, Olivier Lantz, Roberto Hernandez-Alejandro, S M Mansour Haeryfar
Superantigens (SAgs) are potent exotoxins secreted by Staphylococcus aureus and Streptococcus pyogenes. They target a large fraction of T cell pools to set in motion a "cytokine storm" with severe and sometimes life-threatening consequences typically encountered in toxic shock syndrome (TSS). Given the rapidity with which TSS develops, designing timely and truly targeted therapies for this syndrome requires identification of key mediators of the cytokine storm's initial wave. Equally important, early host responses to SAgs can be accompanied or followed by a state of immunosuppression, which in turn jeopardizes the host's ability to combat and clear infections...
June 2017: PLoS Biology
https://www.readbyqxmd.com/read/28628637/survival-bacterial-clearance-and-thrombocytopenia-are-improved-in-polymicrobial-sepsis-by-targeting-nuclear-transport-shuttles
#15
Ruth Ann Veach, Yan Liu, Jozef Zienkiewicz, Lukasz S Wylezinski, Kelli L Boyd, James L Wynn, Jacek Hawiger
The rising tide of sepsis, a leading cause of death in the US and globally, is not adequately controlled by current antimicrobial therapies and supportive measures, thereby requiring new adjunctive treatments. Severe microvascular injury and multiple organ failure in sepsis are attributed to a "genomic storm" resulting from changes in microbial and host genomes encoding virulence factors and endogenous inflammatory mediators, respectively. This storm is mediated by stress-responsive transcription factors that are ferried to the nucleus by nuclear transport shuttles importins/karyopherins...
2017: PloS One
https://www.readbyqxmd.com/read/28625316/mesenchymal-stem-cell-based-therapy-as-a-new-horizon-for-kidney-injuries
#16
REVIEW
Amaneh Mohammadi Roushandeh, Marzie Bahadori, Mehryar Habibi Roudkenar
Today, the prevalence of kidney diseases is increasing around the world, but there has still been no effective medical treatment. The therapeutic choices are confined to supportive cares and preventive strategies. Currently, mesenchymal stem cells (MSCs)-based cell therapy was proposed for the treatment of kidney injuries. However, after the transplantation of MSCs, they are exposed to masses of cytotoxic factors involving an inflammatory cytokine storm, a nutritionally-poor hypoxic environment and oxidative stresses that finally lead to minimize the efficacy of MSCs based cell therapy...
February 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/28617889/erdheim-chester-disease-presenting-with-histiocytic-colitis-and-cytokine-storm
#17
George P Christophi, Yeshika Sharma, Quader Farhan, Umang Jain, Ted Walker, Gregory S Sayuc, Deborah C Rubin
BACKGROUND: Non-Langerhans histiocytosis is a group of inflammatory lymphoproliferative disorders originating from non-clonal expansion of hematopoietic stem cells into cytokine-secreting dendritic cells or macrophages. Erdheim-Chester Disease (ECD) is a rare type of non-Langerhans cell histiocytosis characterized by tissue inflammation and injury caused by macrophage infiltration and histologic findings of foamy histiocytes. Often ECD involves the skeleton, retroperitoneum and the orbits...
June 2017: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/28608527/perfect-storm-therapeutic-plasma-exchange-for-a-patient-with-thyroid-storm
#18
Andrea M McGonigle, Aaron A R Tobian, Jennifer L Zink, Karen E King
Thyroid storm is a potentially lethal complication of hyperthyroidism with increased thyroid hormones and exaggerated symptoms of thyrotoxicosis. First-line therapy includes methimazole (MMI) or propylthiouracil (PTU) to block production of thyroid hormones as a bridge toward definitive surgical treatment. Untreated thyroid storm has a mortality rate of up to 30%; this is particularly alarming when patients cannot tolerate or fail pharmacotherapy, especially if they cannot undergo thyroidectomy. Therapeutic plasma exchange (TPE) is an ASFA category III indication for thyroid storm, meaning the optimum role of this therapy is not established, and there are a limited number of cases in the literature...
June 13, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28582647/inflammatory-serum-cytokines-and-chemokines-increase-associated-with-the-disease-extent-in-pediatric-langerhans-cell-histiocytosis
#19
Akira Morimoto, Yukiko Oh, Sachie Nakamura, Yoko Shioda, Tomomi Hayase, Toshihiko Imamura, Kazuko Kudo, Shinsaku Imashuku
OBJECTIVE: Langerhans cell histiocytosis (LCH) is characterized by immature dendritic cell proliferation, infiltration of LCH lesions by various inflammatory cells, and a lesional cytokine storm. It is classified into three groups on the basis of disease extent, namely, multisystem with risk-organ involvement (MS+), multisystem without risk-organ involvement (MS-), and single-system (SS) disease. We comprehensively analyzed whether serum levels of cytokines/chemokines reflect the disease extent...
September 2017: Cytokine
https://www.readbyqxmd.com/read/28579989/acute-simian-immunodeficiency-virus-infection-triggers-early-and-transient-interleukin-7-production-in-the-gut-leading-to-enhanced-local-chemokine-expression-and-intestinal-immune-cell-homing
#20
Rosalie Ponte, Magali Rancez, Suzanne Figueiredo-Morgado, Jacques Dutrieux, Véronique Fabre-Mersseman, Bénédicte Charmeteau-de-Muylder, Thomas Guilbert, Jean-Pierre Routy, Rémi Cheynier, Anne Couëdel-Courteille
The intestinal barrier, one of the first targets of HIV/simian immunodeficiency virus (SIV) is subjected to major physiological changes during acute infection. Having previously shown that pharmaceutical injection of interleukin-7 (IL-7) triggers chemokine expression in many organs leading to massive T-cell homing, in particular to the intestine, we here explored mucosal IL-7 expression as part of the cytokine storm occurring during the acute phase of SIV infection in rhesus macaques. Quantifying both mRNA and protein in tissues, we demonstrated a transient increase of IL-7 expression in the small intestine of SIV-infected rhesus macaques, starting with local detection of the virus by day 3 of infection...
2017: Frontiers in Immunology
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