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Systemic inflammatory response

Timsy Uppal, Roni Sarkar, Ranjit Dhelaria, Subhash C Verma
Kaposi's sarcoma-associated herpesvirus or Human herpesvirus-8 (KSHV/HHV-8), an oncogenic human herpesvirus and the leading cause of cancer in HIV-infected individuals, is a major public health concern with recurring reports of epidemics on a global level. The early detection of KSHV virus and subsequent activation of the antiviral immune response by the host's immune system are crucial to prevent KSHV infection. The host's immune system is an evolutionary conserved system that provides the most important line of defense against invading microbial pathogens, including viruses...
March 20, 2018: Cancers
Magdalena Dryglewska, Bogdan Kolarz, Maria Majdan
Systemic lupus erythematosus (SLE) is a chronic inflammatory autoimmune disease that results in uncontrolled immune system activation and overproduction of autoantibodies. The pathogenesis of the disease is complex and not fully understood, nevertheless, genetic and environmental factors play an important role. So far, about 30 genes have been identified to be involved in the SLE pathomechanism. However, not all genetically predisposed individuals develop the disease. This phenomenon can be associated with epigenetic changes that occur under the influence of environmental factors...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
Robert Zwolak, Maria Majdan
OBJECTIVE: Introduction: Radiosynoviorthesis (RS) is local method of treatment of remittent joint effusions among patients who obtained general improvement after disease modifying anti-rheumatic drugs therapy but one or a few joints stay resistant to this treatment and intraarticular corticosteroids injections. The aim: The attempt to identification methods of efficacy assessment of the 90yttrium knee joint RS. PATIENTS AND METHODS: Material and methods: The study group consisted of 43 patients with rheumatoid arthritis (RA) and 19 patients with inflammatory spondyloarthropaties (SPA) where 8 patients were treated for ankylosing spondylitis (AS), 4 for psoriatic arthritis (PsA) and 7 due to undifferentiated inflammatory spondyloarthropaties (USPA)...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
Andrzej Miskiewicz, Grzegorz Szparecki, Marek Durlik, Grażyna Rydzewska, Ireneusz Ziobrowski, Renata Górska
BACKGROUND: Periodontitis is a major risk factor of systemic diseases with inflammatory etiology. Numerous studies have established the connection between periodontal condition and diabetes, but there are no reports in the literature on the relationship between periodontitis and other pancreas conditions. The activity of pancreatic enzymes is an important parameter of pancreatic damage, and is also a diagnostic marker of acute and chronic pancreatitis, and the bleeding index determines the periodontitis activity...
March 20, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Bram Verstockt, Marc Ferrante, Séverine Vermeire, Gert Van Assche
The advent of anti-TNF agents has dramatically changed the treatment algorithms for IBD in the last 15 years, but primarily and more importantly secondary loss of response is often observed. Fortunately , new treatment options have been actively explored and some have already entered our clinical practice. In the class of anti-cytokine agents, the anti-IL12/IL23 monoclonal antibodies (mAbs) have entered clinical practice with the anti-p40 mAb ustekinumab in Crohn's disease (CD). Also, more selective anti-IL23 agents (anti-p19) have shown efficacy and are being further developed, in contrast to agents inhibiting IL-17 downstream which have failed in clinical trials despite their clear efficacy in psoriasis (Verstockt et al...
March 19, 2018: Journal of Gastroenterology
Catherine A Lozupone
In recent years, there has been a deluge of papers linking altered microbiome compositions to a myriad of diseases. Mechanistic insight into microbial drivers of disease phenotypes is essential for translation to novel therapies. A key mechanism by which microbes influence health is immune modulation by components of their capsule and cell envelope and their metabolites. A major research focus of my laboratory is to gain mechanistic insight into which microbes modulate host immunity generally and in the context of disease...
March 2018: MSystems
Simon Krabbe, Inge J Sørensen, Bente Jensen, Jakob M Møller, Lone Balding, Ole R Madsen, Robert G W Lambert, Walter P Maksymowych, Susanne J Pedersen, Mikkel Østergaard
Background: The Canada-Denmark (CANDEN) definitions of spinal MRI lesions allow a detailed anatomy-based evaluation of inflammatory and structural lesions in vertebral bodies and posterior elements of the spine in patients with axial spondyloarthritis (axSpA). The objective was to examine the reliability, responsiveness and discrimination of scores for spinal inflammation, fat, bone erosion and new bone formation based on the CANDEN system and to describe patterns of inflammatory and structural lesions and their temporal development...
2018: RMD Open
Vincenzo Sorrenti, Gabriella Contarini, Stefania Sut, Stefano Dall'Acqua, Francesca Confortin, Andrea Pagetta, Pietro Giusti, Morena Zusso
Systemic lipopolysaccharide (LPS) induces an acute inflammatory response in the central nervous system (CNS) ("neuroinflammation") characterized by altered functions of microglial cells, the major resident immune cells of the CNS, and an increased inflammatory profile that can result in long-term neuronal cell damage and severe behavioral and cognitive consequences. Curcumin, a natural compound, exerts CNS anti-inflammatory and neuroprotective functions mainly after chronic treatment. However, its effect after acute treatment has not been well investigated...
2018: Frontiers in Pharmacology
María M Banda, Carolina López, Rubiceli Manzo, Gadea Rico-Pérez, Pablo García, Roberto Rosales-Reyes, Miguel A De la Cruz, Fernando C Soncini, Francisco García-Del Portillo, Víctor H Bustamante
When Salmonella is grown in the nutrient-rich lysogeny broth (LB), the AraC-like transcriptional regulator HilD positively controls the expression of genes required for Salmonella invasion of host cells, such as the Salmonella pathogenicity island 1 (SPI-1) genes. However, in minimal media, the two-component system PhoP/Q activates the expression of genes necessary for Salmonella replication inside host cells, such as the SPI-2 genes. Recently, we found that the SL1344_1872 hypothetical gene, located in a S...
March 19, 2018: Scientific Reports
Valérie Besnard, Alain Calender, Diane Bouvry, Yves Pacheco, Catherine Chapelon-Abric, Florence Jeny, Hilario Nunes, Carole Planès, Dominique Valeyre
BACKGROUND: Sarcoidosis is a systemic disease characterized by the formation of immune granulomas in various organs, mainly the lungs and the lymphatic system. Exaggerated granulomatous reaction might be triggered in response to unidentified antigens in individuals with genetic susceptibility. The present study aimed to determine the genetic variants implicated in a familial case of sarcoidosis. METHODS: Sarcoidosis presentation and history, NOD2 profile, NF-κB and cytokine production in blood monocytes/macrophages were evaluated in individuals from a family with late appearance of sarcoidosis...
March 20, 2018: Respiratory Research
Consuelo Walss-Bass, Robert Suchting, Rene L Olvera, Douglas E Williamson
BACKGROUND: Immune system abnormalities have been repeatedly observed in several psychiatric disorders, including severe depression and anxiety. However, whether specific immune mediators play an early role in the etiopathogenesis of these disorders remains unknown. METHODS: In a longitudinal design, component-wise gradient boosting was used to build models of depression, assessed by the Mood-Feelings Questionnaire-Child (MFQC), and anxiety, assessed by the Screen for Child Anxiety Related Emotional Disorders (SCARED) in 254 adolescents from a large set of candidate predictors, including sex, race, 39 inflammatory proteins, and the interactions between those proteins and time...
March 12, 2018: Journal of Affective Disorders
Xue-Juan Bai, Hong-Min Li, You-Rong Yang, Jun-Xian Zhang, Yan Liang, Xue-Qiong Wu
Relapse of pulmonary tuberculosis (PTB) is associated with a failure of the host immune system to control the invading Mycobacterium tuberculosis. Severe immunodeficiency or immune disorders may be the main reason for TB recurrence. This study aimed to quantify serum inflammatory cytokine and soluble adhesion molecule levels in Re-treated smear-positive PTB patients before and after re-anti-TB drug therapy. Serum samples were collected from 30 healthy controls and 215 Treated active PTB patients at baseline and 2, 4, and 6 months post-re-treatment...
March 16, 2018: Cytokine
David Edberg, Debra Hoppensteadt, Amanda Walborn, Jawed Fareed, James Sinacore, Angelos Halaris
Immune system activation and neuroinflammation appear to play a key role in the pathophysiology and treatment of bipolar depression (BDD). This study is the first to analyze blood levels of the pro-inflammatory biomarker C-reactive protein (CRP) in bipolar disorder patients treated with the cyclooxygenase-2 inhibitor, celecoxib (CBX). In this double-blind study, 47 consenting patients with BDD were randomized to receive either escitalopram (10 mg twice/day) + CBX (200 mg twice/day), or escitalopram (10 mg twice/day) + placebo (twice/day)...
February 13, 2018: Journal of Psychiatric Research
Richard R Kew, Tahmineh Tabrizian, James A Vosswinkel, James E Davis, Randeep S Jawa
BACKGROUND: Severe acute muscle injury results in massive cell damage, causing the release of actin into extracellular fluids where it complexes with the vitamin D binding protein (DBP). We hypothesized that a systemic Vitamin D deficiency would result in a less pro-inflammatory phenotype. METHODS: C57BL/6 wild-type and DBP deficient (DBP-/-) mice received intramuscular injections of either 50% glycerol or phosphate-buffered saline into thigh muscles. Muscle injury was assessed by histology...
March 16, 2018: Journal of Trauma and Acute Care Surgery
Andrew K Fuller, Benjamin D Bice, Ashlee R Venancio, Olivia M Crowley, Ambur M Staab, Stephanie J Georges, Julio R Hidalgo, Annika V Warncke, Melinda L Angus-Hill
Several recent studies have illustrated the beneficial effects of living in an enriched environment on improving human disease. In mice, environmental enrichment (EE) reduces tumorigenesis by activating the mouse immune system, or affects tumor bearing animal survival by stimulating the wound repair response, including improved microbiome diversity, in the tumor microenvironment. Provided here is a detailed procedure to assess the effects of environmental enrichment on the biodiversity of the microbiome in a mouse colon tumor model...
February 28, 2018: Journal of Visualized Experiments: JoVE
Zhijuan Qiu, Brian S Sheridan
The intestinal immune system plays an essential role in maintaining the barrier function of the gastrointestinal tract by generating tolerant responses to dietary antigens and commensal bacteria while mounting effective immune responses to enteropathogenic microbes. In addition, it has become clear that local intestinal immunity has a profound impact on distant and systemic immunity. Therefore, it is important to study how an intestinal immune response is induced and what the immunologic outcome of the response is...
February 28, 2018: Journal of Visualized Experiments: JoVE
Jessica C Stark, Euan Wallace, Rebecca Lim, Bryan Leaw
Microglia, the resident immune cells in the brain, are the first responders to inflammation or injury in the central nervous system. Recent research has revealed microglia to be dynamic, capable of assuming both pro-inflammatory and anti-inflammatory phenotypes. Both M1 (pro-inflammatory) and M2 (pro-reparative) phenotypes play an important role in neuroinflammatory conditions such as perinatal brain injury, and exhibit differing functions in response to certain environmental stimuli. The modulation of microglial activation has been noted to confer neuroprotection thus suggesting microglia may have therapeutic potential in brain injury...
February 16, 2018: Journal of Visualized Experiments: JoVE
Yukio Fujiwara, Yoichi Saito, Takuya Shiota, Pan Cheng, Tsuyoshi Ikeda, Koji Ohnishi, Motohiro Takeya, Yoshihiro Komohara
Recent progress in anti-tumor therapy has revealed the significance of anti-tumor immune responses in tumor progression and clinical course in several kinds of malignant tumors. The draining lymph node is an important immune system component that contains a number of antigen-presenting cells, which induce rapid immune responses to foreign antigens. Current studies have shown that higher expression of CD169 on lymph node sinus macrophages is associated with the induction of anti-tumor immunity. In the present study, we searched for natural compounds that regulate the CD169-positive phenotype in macrophages to identify potential new anti-cancer agents targeting macrophage activation...
2018: Journal of Clinical and Experimental Hematopathology: JCEH
R Y Zhang, W Jin, P F Feng, J H Liu, S Y Mao
In the current intensive production system, ruminants are often fed high-grain (HG) diets. However, this feeding pattern often causes rumen metabolic disorders and may further trigger laminitis, the exact mechanism is not clear. This study investigated the effect of HG diet feeding on fermentative and microbial changes in the rumen and on the expression of pro-inflammatory cytokines and matrix metalloproteinases (MMPs) in the lamellar tissue. In all, 12 male goats were fed a hay diet (0% grain; n=6) or an HG diet (56...
March 19, 2018: Animal: An International Journal of Animal Bioscience
Takamitsu Masuda, Tomohisa Shoko, Yoshizumi Deguchi
Disseminated intravascular coagulation (DIC) often complicates sepsis, and its early treatment is crucial for improving patient outcomes. Coagulation markers may enable earlier diagnosis of DIC. The purpose of this study was to evaluate whether the risk of DIC onset can be predicted using coagulation markers. Patients who showed symptoms of systemic inflammatory response syndrome ≥2 and the quick Sequential Organ Failure Assessment score ≥2 points were investigated. All blood samples collected from the time of hospital admission to 7 days postadmission were investigated...
January 1, 2018: Clinical and Applied Thrombosis/hemostasis
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