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Systemic Inflammatory Syndrome

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https://www.readbyqxmd.com/read/28806468/an-overview-of-hemophagocytic-lymphohistiocytosis
#1
Ysabella M Esteban, Jill L O de Jong, Melissa S Tesher
Hemophagocytic lymphohistiocytosis (HLH) is a life-threatening syndrome characterized by a dysregulated hyperinflammatory response associated with aberrant activation of lymphocytes and macrophages that results in hypercytokinemia. It is classically divided into two types: (1) primary or familial HLH and (2) secondary HLH. Familial HLH is generally an autosomal recessive condition, whereas secondary HLH is usually associated with infectious diseases, autoinflammatory and autoimmune diseases (where it is more commonly known as macrophage activation syndrome), malignancy, immunosuppression, hematopoietic stem cell transplantation, organ transplantation, HIV infection, and metabolic diseases...
August 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/28806285/peritoneal-cavity-lavage-reduces-the-presence-of-mitochondrial-damage-associated-molecular-patterns-in-open-abdomen-patients
#2
Patricia Angellice Martinez-Quinones, Cameron Grant McCarthy, Caleb J Mentzer, Camilla Ferreira Wenceslau, Steven Barry Holsten, R Clinton Webb, Keith O'Malley
BACKGROUND: Mitochondrial damage-associated molecular patterns (mtDAMPs), such as mitochondrial DNA and N-formylated peptides, are endogenous molecules released from tissue after traumatic injury. mtDAMPs are potent activators of the innate immune system. They have similarities with bacteria, which allow mtDAMPs to interact with the same pattern recognition receptors and mediate the development of Systemic Inflammatory Response Syndrome (SIRS). Current recommendations for management of an open abdomen include returning to the operating room every 48 hours for peritoneal cavity lavage until definitive procedure...
August 12, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28806188/tubulointerstitial-nephritis-and-uveitis
#3
Kaivon Pakzad-Vaezi, Kathryn L Pepple
PURPOSE OF REVIEW: Tubulointerstitial nephritis and uveitis (TINU) is an important yet underrecognized ocular inflammatory syndrome. This review summarizes key historical publications that identified and defined the syndrome, and more recent literature that reveal the importance of urinary β2-microglobulin testing and kidney biopsy in the diagnostic evaluation of patients with TINU. Additionally, research studies providing new insights into disease pathogenesis are highlighted. RECENT FINDINGS: In contrast with initial reports of TINU manifesting exclusively as an anterior uveitis in pediatric patients, more recent reports have identified TINU in patients of all ages with a wide range of ocular manifestations...
August 12, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28803918/modeling-of-trex1-dependent-autoimmune-disease-using-human-stem-cells-highlights-l1-accumulation-as-a-source-of-neuroinflammation
#4
Charles A Thomas, Leon Tejwani, Cleber A Trujillo, Priscilla D Negraes, Roberto H Herai, Pinar Mesci, Angela Macia, Yanick J Crow, Alysson R Muotri
Three-prime repair exonuclease 1 (TREX1) is an anti-viral enzyme that cleaves nucleic acids in the cytosol, preventing accumulation and a subsequent type I interferon-associated inflammatory response. Autoimmune diseases, including Aicardi-Goutières syndrome (AGS) and systemic lupus erythematosus, can arise when TREX1 function is compromised. AGS is a neuroinflammatory disorder with severe and persistent intellectual and physical problems. Here we generated a human AGS model that recapitulates disease-relevant phenotypes using pluripotent stem cells lacking TREX1...
August 2, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28801344/frontline-science-macrophage-derived-exosomes-promote-neutrophil-necroptosis-following-hemorrhagic-shock
#5
Yang Jiao, Zhigang Li, Patricia A Loughran, Erica K Fan, Melanie J Scott, Yuehua Li, Timothy R Billiar, Mark A Wilson, Xueyin Shi, Jie Fan
Hemorrhagic shock (HS) renders patients susceptible to development of systemic inflammatory response syndrome (SIRS) and multiple organ dysfunction syndrome (MODS) through mechanisms that are, as yet, unclear. Cell necroptosis, a form of regulated inflammatory cell death, is one of the mechanisms that controls cell release of inflammatory mediators from innate immune cells, such as polymorphonuclear neutrophils (PMNs), and critically regulates the progress of inflammation. In this study, we investigated the mechanisms of alveolar macrophage (AMϕ) effects on PMN necroptosis following HS...
August 11, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28800668/-epidemiology-risk-factors-and-risk-stratification-of-venous-thromboembolism-in-pregnancy-and-the-puerperium
#6
Panagiotis Tsikouras, Georg-Friedrich von Tempelhoff, Werner Rath
Venous thromboembolism (VTE) remains a leading cause of direct maternal deaths in the developed countries. The incidence of VTE has increased significantly during the past two decades. The absolute risk of VTE is estimated 0.6-2.2 per 1000 deliveries. Compared with age-matched non-pregnant women, the daily risk of VTE is increased 7- to 10-fold for antepartum VTE, but it is 15- to 35-fold for postpartum VTE. The incidence of pulmonary embolism (PE) during the first 6 weeks postpartum is nearly 15-fold higher compared to the incidence in pregnancy, and remains significantly increased up to 12 weeks postpartum...
August 2017: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/28798906/cerebral-sinovenous-thrombosis
#7
REVIEW
Rebecca Ichord
Cerebral sinovenous thrombosis (CSVT) is a rare but serious cerebrovascular disorder affecting children from the newborn period through childhood and adolescence. The incidence is estimated at 0.6/100,000/year, with 30-50% occurring in newborns. Causes are diverse and are highly age dependent. Acute systemic illness is the dominant risk factor among newborns. In childhood CSVT, acute infections of the head and neck such as mastoiditis are most common, followed by chronic underlying diseases such as nephrotic syndrome, cancer, and inflammatory bowel disease...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28797085/comparison-of-cytokine-profiles-in-the-aqueous-humor-of-eyes-with-pseudoexfoliation-syndrome-and-glaucoma
#8
Justus G Garweg, Souska Zandi, Isabel B Pfister, Magdalena Skowronska, Christin Gerhardt
PURPOSE: To compare the cyto- and chemokine profiles in the aqueous humor of PEXS eyes in the absence or presence of secondary glaucoma with or without luxation of the intraocular lens (IOL). METHODS: Samples of aqueous humor were collected intraoperatively from 20 healthy controls and from 73 eyes with PEX-syndrome, which was manifested in the absence of any other local or systemic desease. The latter group was sub-devided into eyes with an early form of PEX-syndrome in the absence of complications (PEX, n = 33), those with a late form of PEX-syndrome and glaucoma (PEXG, n = 30), and those with a late form of PEX-syndrome with luxation of the IOL that required surgery (PEXL, n = 10)...
2017: PloS One
https://www.readbyqxmd.com/read/28795551/-gabab-paraneoplastic-encephalitis-about-a-clinical-case
#9
V Reiters, N Garzaniti, K Windhausen
The paraneoplastic limbic encephalitis is a rare disease. It is caused by the presence of autoantibodies creating an inflammatory reaction of the predominant brain parenchyma in the meso-temporal lobe and in other parts of the limbic system. Its presence requires looking for an underlying tumour. The management of this paraneoplastic syndrome includes an immunosuppressive therapy in addition to the treatment of the underlying tumour. However, the management of this disease is not yet standardized.
July 2017: Revue Médicale de Liège
https://www.readbyqxmd.com/read/28794080/the-immune-system-in-pediatric-seizures-and-epilepsies
#10
REVIEW
Christian M Korff, Russell C Dale
The relation between the immune system and epilepsy has been studied for a long time. Immune activation may precede or follow the appearance of seizures. Depending on the situation, the innate and acquired immunity may be involved to various degrees. The intense, ongoing research has opened encouraging management and therapeutic perspectives for a significant number of patients suffering from seizures. These include the use of various drugs and less conventional approaches with anti-inflammatory or immunomodulatory properties...
August 9, 2017: Pediatrics
https://www.readbyqxmd.com/read/28792256/triage-of-septic-patients-using-qsofa-criteria-at-the-samu-regulation-a-retrospective-analysis
#11
R Jouffroy, A Saade, A Carpentier, S Ellouze, P Philippe, R Idialisoa, P Carli, B Vivien
PURPOSE: One of the major prognostic factors in the management of sepsis is the early initiation of appropriate treatment. To serve this purpose, early identification and triage of patients are crucial steps, which are still not optimal. The objective of this study was to determine whether the quick Sequential (Sepsis-related) Organ Failure Assessment (qSOFA) score is an accurate method for prehospital triaging of septic patients. We evaluated whether the use of qSOFA criteria collected by the Service Mobile d'Urgence et de Réanimation 15 (SAMU 15) regulation call center during prehospital care would facilitate appropriate intensive care unit (ICU) admission of patients with septic syndromes...
August 9, 2017: Prehospital Emergency Care
https://www.readbyqxmd.com/read/28791351/altered-gene-expression-profile-in-a-rat-model-of-gentamicin-induced-ototoxicity-and-nephrotoxicity-and-the-potential-role-of-upregulated-ifi44-expression
#12
Jun-Gen Hu, Yu Fu, Jian-Ju Xu, Xian-Ping Ding, Hui-Qi Xie, Jesse Li-Ling
As demonstrated by Alport syndrome, the co‑occurrence of auditory and urinary system malformations, and gentamicin-induced ototoxicity and nephrotoxicity, the ears and kidneys potentially share certain molecular pathways. In the present study, microarray chips were used to analyze the changes in the gene expression profile using a rat model of gentamicin‑induced ototoxicity and nephrotoxicity, using rat liver tissue as a control. A number of genes were identified to exhibit similar expression changes in the rat ears and kidney tissues, among which microtubule‑associated protein 44 (Ifi44), was selected for further analysis to validate its expression changes and confirm potential involvement in the inflammation process in the disease model...
August 2, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28791185/use-of-hemadsorption-in-a-case-of-pediatric-toxic-shock-syndrome
#13
Andrea Berkes, Edit Szikszay, János Kappelmayer, Adrienne Kerényi, Tamás Szabó, László Ujhelyi, Krisztina Bari, György Balla, József Balla
BACKGROUND: Toxic shock syndrome is a potentially fatal toxin-mediated disease. The role of toxins in this clinical entity made us hypothesize that extracorporeal blood purification with CytoSorb® could play a beneficial role in the clinical management of toxic shock syndrome. This case report describes the successful treatment of toxic shock syndrome using a combination of renal replacement therapy and hemadsorption in a pediatric patient. CASE PRESENTATION: A 5-year-old girl with Down's syndrome presented with an inflamed area surrounding an insect bite, signs of systemic inflammation, and multiple organ failure...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/28790368/signs-of-innate-immune-activation-and-premature-immunosenescence-in-psoriasis-patients
#14
Liisi Šahmatova, Elena Sügis, Marina Šunina, Helen Hermann, Ele Prans, Maire Pihlap, Kristi Abram, Ana Rebane, Hedi Peterson, Pärt Peterson, Külli Kingo, Kai Kisand
Psoriasis is a chronic inflammatory disease that affects skin and is associated with systemic inflammation and many serious comorbidities ranging from metabolic syndrome to cancer. Important discoveries about psoriasis pathogenesis have enabled the development of effective biological treatments blocking the T helper 17 pathway. However, it has not been settled whether psoriasis is a T cell-mediated autoimmune disease or an autoinflammatory disorder that is driven by exaggerated innate immune signalling. Our comparative gene expression and hierarchical cluster analysis reveal important gene circuits involving innate receptors...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28783162/classification-of-common-human-diseases-derived-from-shared-genetic-and-environmental-determinants
#15
Kanix Wang, Hallie Gaitsch, Hoifung Poon, Nancy J Cox, Andrey Rzhetsky
In this study, we used insurance claims for over one-third of the entire US population to create a subset of 128,989 families (481,657 unique individuals). We then used these data to (i) estimate the heritability and familial environmental patterns of 149 diseases and (ii) infer the genetic and environmental correlations for disease pairs from a set of 29 complex diseases. The majority (52 of 65) of our study's heritability estimates matched earlier reports, and 84 of our estimates appear to have been obtained for the first time...
August 7, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28783135/enzymatic-and-pro-inflammatory-activities-of-bothrops-lanceolatus-venom-relevance-for-envenomation
#16
Marie Delafontaine, Isadora Maria Villas-Boas, Laurence Mathieu, Patrice Josset, Joël Blomet, Denise V Tambourgi
Bothrops lanceolatus, commonly named 'Fer-de-Lance', is an endemic snake of the French Caribbean Island of Martinique. Envenomations by B. lanceolatus present clinical aspects characterized by systemic thrombotic syndrome and important local inflammation, involving edema and pain but limited hemorrhage. To investigate mechanisms of venom-induced inflammation, B. lanceolatus venom was characterized, its cross-reactivity with bothropic antivenom explored, its cytotoxicity on human keratinocytes and vascular cells, and the production of cytokines and chemokines were analyzed...
August 7, 2017: Toxins
https://www.readbyqxmd.com/read/28780227/insights-into-the-immune-manipulation-mechanisms-of-pollen-allergens-by-protein-domain-profiling
#17
Seema Patel, Aruna Rani, Arun Goyal
Plant pollens are airborne allergens, as their inhalation causes immune activation, leading to rhinitis, conjunctivitis, sinusitis and oral allergy syndrome. A myriad of pollen proteins belonging to profilin, expansin, polygalacturonase, glucan endoglucosidase, pectin esterase, and lipid transfer protein class have been identified. In the present in silico study, the protein domains of fifteen pollen sequences were extracted from the UniProt database and submitted to the interactive web tool SMART (Simple Modular Architecture Research Tool), for finding the protein domain profiles...
July 29, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28778104/to-what-extent-are-the-terminal-stages-of-sepsis-septic-shock-systemic-inflammatory-response-syndrome-and-multiple-organ-dysfunction-syndrome-actually-driven-by-a-prion-amyloid-form-of-fibrin
#18
Douglas B Kell, Etheresia Pretorius
No abstract text is available yet for this article.
August 4, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28777367/-antioxidant-anti-inflammatory-and-sedative-effects-of-melatonin-results-of-clinical-trials
#19
REVIEW
D I Burchakov, Yu B Uspenskaya
A literature review of clinical trials and systematic reviews on the antioxidant and anti-inflammatory effects of melatonin is presented. The results of animal studies and recent publications on the effects of melatonin in humans are summarized. Melatonin protects the cardiovascular system from destructive effects of ischemia/reperfusion, when the drug has been timely administered, has a neuroprotective effect in newborns with asphyxia. It is an effective drug in complex treatment of irritable bowel syndrome and inflammatory bowel diseases (Crohn's disease and ulcerative colitis)...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28774781/estrogen-signaling-deregulation-related-with-local-immune-response-modulation-in-irritable-bowel-syndrome
#20
REVIEW
Damian Jacenik, Adam I Cygankiewicz, Jakub Fichna, Anna Mokrowiecka, Ewa Małecka-Panas, Wanda M Krajewska
The etiology and pathogenesis underlying irritable bowel syndrome (IBS), a common gastrointestinal disorder are still unclear. Cumulating data suggest dysregulation of inflammatory and immune response pathways and changes of epithelial barrier function. The role of estrogens albeit varied, in responses of immune system is well documented. The aim of this study was to investigate estrogen receptors engagment in IBS subtypes, i.e. constipation predominant (IBS-C) and diarrhea predominant (IBS-D). Furthermore, we analyzed whether estrogen signaling is accompanied by alteration in expression of pro- and anti-inflammatory cytokines and microRNAs that can regulate among others genes involved in immune responses...
July 31, 2017: Molecular and Cellular Endocrinology
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