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Cytokine storm

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https://www.readbyqxmd.com/read/29675946/plasma-proteomics-identifies-a-chemokine-storm-in-idiopathic-multicentric-castleman-disease
#1
Sheila K Pierson, Aaron J Stonestrom, Dustin Shilling, Jason Ruth, Christopher S Nabel, Amrit Singh, Yue Ren, Katie Stone, Hongzhe Li, Frits van Rhee, David C Fajgenbaum
Human Herpesvirus-8 (HHV-8)-negative/idiopathic multicentric Castleman disease (iMCD) is a poorly understood disease involving polyclonal lymphoproliferation with dysmorphic germinal centers, constitutional symptoms, and multi-organ failure. Patients can experience thrombocytopenia, anasarca, reticulin fibrosis, renal dysfunction, organomegaly, and normal immunoglobulin levels, - iMCD-TAFRO. Others experience thrombocytosis, milder effusions, and hypergammaglobulinemia, -iMCD-Not Otherwise Specified (iMCD-NOS)...
April 20, 2018: American Journal of Hematology
https://www.readbyqxmd.com/read/29664014/rip-kinase-1-dependent-endothelial-necroptosis-underlies-systemic-inflammatory-response-syndrome
#2
Matija Zelic, Justine E Roderick, Joanne A O'Donnell, Jesse Lehman, Sung Eun Lim, Harish P Janardhan, Chinmay M Trivedi, Manolis Pasparakis, Michelle A Kelliher
Receptor interacting protein kinase 1 (RIPK1) has important kinase-dependent and kinase-independent scaffolding functions that activate or prevent apoptosis or necroptosis in a cell context-dependent manner. The kinase activity of RIPK1 mediates hypothermia and lethality in a mouse model of TNF-induced shock, reflecting the hyperinflammatory state of systemic inflammatory response syndrome (SIRS), where the proinflammatory "cytokine storm" has long been viewed as detrimental. Here, we demonstrate that cytokine and chemokine levels did not predict survival and, importantly, that kinase-inactive Ripk1D138N/D138N hematopoietic cells afforded little protection from TNF- or TNF/zVAD-induced shock in reconstituted mice...
April 16, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29643984/the-glucocorticoid-receptor-in-recipient-cells-keeps-cytokine-secretion-in-acute-graft-versus-host-disease-at-bay
#3
Tina Baake, Katharina Jörß, Jennifer Suennemann, Laura Roßmann, Hanibal Bohnenberger, Jan P Tuckermann, Holger M Reichardt, Henrike J Fischer, Sybille D Reichardt
Graft-versus-host disease (GvHD) is a life-threatening complication of hematopoietic stem cell transplantation (HSCT), which is caused by allogeneic T cells recognizing molecules of the recipient as foreign. Endogenous glucocorticoids (GC) released from the adrenal gland are crucial in regulating such inflammatory diseases. Here we demonstrate that genetically engineered mice, that are largely unresponsive to GC, suffer from aggravated clinical symptoms and increased mortality after HSCT, effects that could be tempered by neutralization of IL-6...
March 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29628283/weathering-the-storm-a-review-of-pre-pregnancy-stress-and-risk-of-spontaneous-abortion
#4
REVIEW
Tyralynn Frazier, Carol J Rowland Hogue, Elizabeth A Bonney, Kathryn M Yount, Brad D Pearce
The Weathering Effect is a theory that links stress exposure, over the life-course, with racial disparities in reproductive outcomes, through the effects of social adversity on a woman's body. The concept of maternal "weathering" captures cumulative somatic and psychological adversities that can exacerbate the effects of aging. Much of the evidence for weathering comes from observational studies linking self-report measures with reproductive outcomes. The purpose of this review is to explore biological mechanisms that underlie these observations...
March 1, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29620575/sphingosine-1-phosphate-receptor-2-signaling-promotes-caspase-11-dependent-macrophage-pyroptosis-and-worsens-escherichia-coli-sepsis-outcome
#5
Fang Song, Jinchao Hou, Zhecong Chen, Baoli Cheng, Ruyi Lei, Ping Cui, Yaqi Sun, Haihong Wang, Xiangming Fang
BACKGROUND: Pyroptosis, a type of proinflammatory programmed cell death, drives cytokine storm. Caspase-11-dependent macrophage pyroptosis contributes to mortality during sepsis. Sphingosine-1-phosphate receptor 2 (S1PR2) signaling can amplify interleukin-1β secretion in endotoxin-induced inflammation. Here, we hypothesized that S1PR2 signaling increases caspase-11-dependent macrophage pyroptosis and worsens Gram-negative sepsis outcome. METHODS: A Gram-negative sepsis model was induced through intraperitoneal injection of Escherichia coli...
April 3, 2018: Anesthesiology
https://www.readbyqxmd.com/read/29616025/differences-between-pediatric-and-adult-t-cell-responses-to-in-vitro-staphylococcal-enterotoxin-b-stimulation
#6
Mark E Rudolph, Monica A McArthur, Robin S Barnes, Laurence S Magder, Wilbur H Chen, Marcelo B Sztein
Toxic shock syndrome (TSS) is capable of inducing life-threatening fever, rash, and systemic organ failure, though the specific mechanisms behind these symptoms remain poorly understood. Staphylococcal enterotoxin B (SEB) and other superantigens have shown to be important factors in TSS, capable of promoting cross-linking between T cell receptors and major histocompatibility complexes which results in overwhelming T cell activation, proliferation, and cytokine production. The resulting proinflammatory cytokine cascade, often referred to as the "cytokine storm," seems to be critical to the development of disease...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29597832/maternal-pufa-omega-3-supplementation-prevents-hyperoxia-induced-pulmonary-hypertension-in-the-offspring
#7
Ying Zhong, Daniel Catheline, Ali Houeijeh, Dyuti Sharma, Li-Zhong Du, Capucine Besengez, Philippe Deruelle, Philippe Legrand, Laurent Storme
Pulmonary hypertension (PH) and right ventricular hypertrophy (RVH) affect 16-25% of premature infants with bronchopulmonary dysplasia (BPD), contributing significantly to perinatal morbidity and mortality. Polyunsaturated fatty acids ω-3 (PUFA ω-3) can improve vascular remodeling, angiogenesis, and inflammation under pathophysiological conditions. However, the effects of PUFA ω-3 supplementation in BPD-associated PH are unknown. The present study aimed to evaluate the effects of PUFA ω-3 on pulmonary vascular remodeling, angiogenesis, and inflammatory response in a hyperoxia-induced rat model of PH...
March 29, 2018: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29577525/post-hematopoietic-stem-cell-transplant-hemophagocytic-lymphohistiocytosis-or-an-impostor-case-report-and-review-of-literature
#8
Anant Vatsayan, Irina Pateva, Linda Cabral, Jignesh Dalal, Rolla Abu-Arja
HLH occurring after HSCT is a relatively rare disease. Many conditions may mimic or trigger HLH in post-HSCT period (eg, cytokine release syndrome, engraftment syndrome, graft rejection/failure, acute graft-vs-host disease, infections systemic inflammatory response syndrome/sepsis, and thrombotic microangiopathy). Moreover, this period is usually marked by febrile illness, cytopenia, and a "cytokine storm" leading to elevation of inflammatory biomarkers like ferritin and sCD25. These parameters overlap with the diagnostic criteria for HLH...
March 25, 2018: Pediatric Transplantation
https://www.readbyqxmd.com/read/29563683/hemophagocytic-lymphohistiocytosis-in-an-infant-with-multiple-triggers
#9
Sataroopa Mishra, Amitabh Singh, Lavleen Singh, Anirban Mandal, Rahul Jain
Hemophagocytic lymphohistiocytosis (HLH) is a disorder of immune dysregulation secondary to a massive unregulated cytokine storm and its downstream consequences. HLH is being increasingly recognized as a cause of pyrexia of unknown origin, unexplained cytopenias, and hepatic dysfunction. However, this potentially treatable condition is often missed due to lack of suspicion, variable, and nonspecific presentations, inability to fulfil all the diagnostic criteria and availability of diagnostic tests in resource limited settings...
January 2018: Asian Journal of Transfusion Science
https://www.readbyqxmd.com/read/29556253/the-importance-of-handling-high-value-biologicals-physico-chemical-instability-and-immunogenicity-of-monoclonal-antibodies
#10
REVIEW
Tomislav Laptoš, Jasna Omersel
The present review specifies the various chemical and physical factors that can influence drug stability and immunogenicity, and the treatment outcomes of antibody biologicals. Although monoclonal antibodies (mAbs) are known to be more resistant to environmental changes compared with other proteins, the molecules themselves can be subjected to chemical and physical processes that promote their degradation and transformation into their specific amino-acid moieties. With increasing use of medicinal products that contain mAbs, and their self-administration by the patients, the issue of the correct manipulation of these drugs is of increasing importance...
April 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29515037/interleukin-7-restores-lymphocytes-in-septic-shock-the-iris-7-randomized-clinical-trial
#11
Bruno Francois, Robin Jeannet, Thomas Daix, Andrew H Walton, Matthew S Shotwell, Jacqueline Unsinger, Guillaume Monneret, Thomas Rimmelé, Teresa Blood, Michel Morre, Anne Gregoire, Gail A Mayo, Jane Blood, Scott K Durum, Edward R Sherwood, Richard S Hotchkiss
BACKGROUND: A defining pathophysiologic feature of sepsis is profound apoptosis-induced death and depletion of CD4+ and CD8+ T cells. Interleukin-7 (IL-7) is an antiapoptotic common γ-chain cytokine that is essential for lymphocyte proliferation and survival. Clinical trials of IL-7 in over 390 oncologic and lymphopenic patients showed that IL-7 was safe, invariably increased CD4+ and CD8+ lymphocyte counts, and improved immunity. METHODS: We conducted a prospective, randomized, double-blind, placebo-controlled trial of recombinant human IL-7 (CYT107) in patients with septic shock and severe lymphopenia...
March 8, 2018: JCI Insight
https://www.readbyqxmd.com/read/29513721/assessment-of-the-immunogenicity-of-residual-host-cell-protein-impurities-of-osrhsa
#12
Naghmeh Abiri, Jianlei Pang, Jiquan Ou, Bo Shi, Xianghong Wang, Sucai Zhang, Yunxia Sun, Daichang Yang
Human serum albumin (HSA) is the most abundant protein in human plasma and is widely used at high doses for treating various diseases. Recombinant HSA is an alternative approach to plasma-derived HSA, providing increased safety and an unlimited supply. However, the safety of the residual host cell proteins (HCPs) co-purified with Oryza sativa HSA (OsrHSA) remains to be determined. An animal system was used to assess the immunogenicity of OsrHSA and its residual HCPs. Low immunogenicity and immunotoxicity of the residual HCPs at a dose of 25 μg/kg, equivalent to 25 times the clinical dosage of HSA, were observed...
2018: PloS One
https://www.readbyqxmd.com/read/29512867/resveratrol-protects-mice-against-seb-induced-acute-lung-injury-and-mortality-by-mir-193a-modulation-that-targets-tgf-%C3%AE-signalling
#13
Hasan Alghetaa, Amira Mohammed, Muthanna Sultan, Philip Busbee, Angela Murphy, Saurabh Chatterjee, Mitzi Nagarkatti, Prakash Nagarkatti
Staphylococcal enterotoxin B (SEB) is a potent superantigen produced by Staphylococcus aureus that triggers a strong immune response, characterized by cytokine storm, multi-organ failure, and often death. When inhaled, SEB can cause acute lung injury (ALI) and respiratory failure. In this study, we investigated the effect of resveratrol (RES), a phytoallexin, on SEB-driven ALI and mortality in mice. We used a dual-exposure model of SEB in C3H/HeJ mice, which caused 100% mortality within the first 5 days of exposure, and treatment with RES resulted in 100% survival of these mice up to 10 days post-SEB exposure...
March 7, 2018: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/29484126/retargeting-of-unicar-t-cells-with-an-in-vivo-synthesized-target-module-directed-against-cd19-positive-tumor-cells
#14
Dominik Bachmann, Roberta Aliperta, Ralf Bergmann, Anja Feldmann, Stefanie Koristka, Claudia Arndt, Simon Loff, Petra Welzel, Susann Albert, Alexandra Kegler, Armin Ehninger, Marc Cartellieri, Gerhard Ehninger, Martin Bornhäuser, Malte von Bonin, Carsten Werner, Jens Pietzsch, Jörg Steinbach, Michael Bachmann
Recent treatments of leukemias with T cells expressing chimeric antigen receptors (CARs) underline their impressive therapeutic potential but also their risk of severe side effects including cytokine release storms and tumor lysis syndrome. In case of cross-reactivities, CAR T cells may also attack healthy tissues. To overcome these limitations, we previously established a switchable CAR platform technology termed UniCAR. UniCARs are not directed against typical tumor-associated antigens (TAAs) but instead against a unique peptide epitope: Fusion of this peptide epitope to a recombinant antibody domain results in a target module (TM)...
January 26, 2018: Oncotarget
https://www.readbyqxmd.com/read/29455574/immune-responsive-resolvin-d1-programs-myocardial-infarction-induced-cardiorenal-syndrome-in-heart-failure
#15
Ganesh V Halade, Vasundhara Kain, Charles N Serhan
Resolvins are innate, immune responsive, bioactive mediators generated after myocardial infarction (MI) to resolve inflammation. The MI-induced bidirectional interaction between progressive left ventricle (LV) remodeling and kidney dysfunction is known to advance cardiorenal syndrome (CRS). Whether resolvins limit MI-induced cardiorenal inflammation is unclear. Thus, to define the role of exogenous resolvin D (RvD)-1 in post-MI CRS, we subjected 8-12-wk-old male C57BL/6 mice to coronary artery ligation. RvD1 was injected 3 h after MI...
February 13, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29443656/highlights-for-dengue-immunopathogenesis-antibody-dependent-enhancement-cytokine-storm-and-beyond
#16
Diogo Kuczera, João Paulo Assolini, Fernanda Tomiotto-Pellissier, Wander Rogério Pavanelli, Guilherme Ferreira Silveira
Infection with dengue virus (DENV) can lead to a wide spectrum of clinical presentations, ranging from asymptomatic infection to death. It is estimated that the disease manifests only in 90 million cases out of the total 390 million yearly infections. Even though research has not yet elucidated which are the precise pathophysiological mechanisms that trigger severe forms of dengue, the infection elicits a critical immune response significant for dengue pathogenesis development. Understanding how the immune response to DENV is established and how it can resolve the infection or turn into an immunopathology is of great importance in DENV research...
February 2018: Journal of Interferon & Cytokine Research
https://www.readbyqxmd.com/read/29428565/steroid-pulse-therapy-in-patients-with-encephalopathy-associated-with-severe-fever-with-thrombocytopenia-syndrome
#17
Shingen Nakamura, Momoyo Azuma, Tomoko Maruhashi, Kimiko Sogabe, Ryohei Sumitani, Munenori Uemura, Masami Iwasa, Shiro Fujii, Hirokazu Miki, Kumiko Kagawa, Takashi Hiraga, Noriyasu Kondo, Hiromi Fujita, Fumihiko Mahara, Masahiro Abe
Severe fever with thrombocytopenia syndrome (SFTS) is a tick-borne infectious disease caused by the SFTS virus (SFTSV). Clinical symptoms of SFTS often involve encephalopathy and other central neurological symptoms, particularly in seriously ill patients; however, pathogenesis of encephalopathy by SFTSV is largely unknown. Herein, we present case reports of three patients with SFTS, complicated by encephalopathy, admitted to Tokushima University hospital: one patient was a 63-year-old man, while the other two were 83- and 86-year-old women...
February 7, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29427908/kinetics-of-viral-load-and-cytokines-in-severe-fever-with-thrombocytopenia-syndrome
#18
Ji-Soo Kwon, Min-Chul Kim, Ji Yeun Kim, Na-Young Jeon, Byung-Han Ryu, Jeongmin Hong, Min-Jae Kim, Yong Pil Chong, Sang-Oh Lee, Sang-Ho Choi, Yang Soo Kim, Jun Hee Woo, Sung-Han Kim
BACKGROUND: Severe fever with thrombocytopenia syndrome (SFTS) is an emerging infectious disease in China, Japan, and Korea, which is characterized by high fever, thrombocytopenia, and high mortality. It is hypothesized that a cytokine storm plays an important role in the pathophysiology of SFTS. However, limited data have been published on the detailed kinetics of the viral load and cytokine profiles throughout the course of this disease. OBJECTIVES: We investigated the patterns of changes in cytokines and viral load in SFTS patients...
January 31, 2018: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29410422/a-ligand-specific-blockade-of-the-integrin-mac-1-selectively-targets-pathologic-inflammation-while-maintaining-protective-host-defense
#19
Dennis Wolf, Nathaly Anto-Michel, Hermann Blankenbach, Ansgar Wiedemann, Konrad Buscher, Jan David Hohmann, Bock Lim, Marina Bäuml, Alex Marki, Maximilian Mauler, Daniel Duerschmied, Zhichao Fan, Holger Winkels, Daniel Sidler, Philipp Diehl, Dirk M Zajonc, Ingo Hilgendorf, Peter Stachon, Timoteo Marchini, Florian Willecke, Maximilian Schell, Björn Sommer, Constantin von Zur Muhlen, Jochen Reinöhl, Teresa Gerhardt, Edward F Plow, Valentin Yakubenko, Peter Libby, Christoph Bode, Klaus Ley, Karlheinz Peter, Andreas Zirlik
Integrin-based therapeutics have garnered considerable interest in the medical treatment of inflammation. Integrins mediate the fast recruitment of monocytes and neutrophils to the site of inflammation, but are also required for host defense, limiting their therapeutic use. Here, we report a novel monoclonal antibody, anti-M7, that specifically blocks the interaction of the integrin Mac-1 with its pro-inflammatory ligand CD40L, while not interfering with alternative ligands. Anti-M7 selectively reduces leukocyte recruitment in vitro and in vivo...
February 6, 2018: Nature Communications
https://www.readbyqxmd.com/read/29404438/a-global-perspective-on-hepatitis-b-related-single-nucleotide-polymorphisms-and-evolution-during-human-migration
#20
Dar-In Tai, Wen-Juei Jeng, Chun-Yen Lin
Genome-wide association studies have indicated that human leukocyte antigen (HLA)-DP and HLA-DQ play roles in persistent hepatitis B virus (HBV) infection in Asia. To understand the evolution of HBV-related single nucleotide polymorphisms (SNPs) and to correlate these SNPs with chronic HBV infection among different populations, we conducted a global perspective study on hepatitis-related SNPs. We selected 12 HBV-related SNPs on the HLA locus and two HBV and three hepatitis C virus immune-related SNPs for analysis...
December 2017: Hepatology Communications
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