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Inflammatory cytokine

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https://www.readbyqxmd.com/read/27911420/-role-of-immunological-factors-in-the-development-of-myopic-choroidal-neovascularization
#1
A G Shchuko, N V Zaitseva, T N Yur'eva, E R Chernykh, I M Mikhalevich, A V Grigor'eva
AIM: To study the concentration of cytokines in the aqueous humor of the anterior chamber in patients with myopic choroidal neovascularization (mCNV) and to compare the results to their ophthalmic status. MATERIAL AND METHODS: A total of 19 patients (19 eyes) with mCNV treated with intravitreal ranibizumab were included in the study. The control group consisted of 15 patients (15 eyes) with myopia who had cataract surgery. Age, sex, and refractive error distribution were similar to that in the study group...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27911310/cholinergic-modification-of-neurogenesis-and-gliosis-improves-the-memory-of%C3%A2-a%C3%AE-ppswe-psen1de9-alzheimer-s-disease-model-mice-fed-a-high-fat-diet
#2
Takeshi Matsuda, Tatsuhiro Hisatsune
We previously reported that neuroinflammation contributes to the amnesia of AβPPswe/PSEN1dE9 Alzheimer's disease model mice fed a high-fat diet to induce type-2 diabetes (T2DM-AD mice), but the underlying mechanism for the memory decline remained unclear. Recent studies have suggested that cholinergic modulation is involved in neuroinflammatory cellular reactions including neurogenesis and gliosis, and in memory improvement. In this study, we administered a broad-spectrum cholinesterase inhibitor, rivastigmine (2 mg/kg/day, s...
November 28, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27911218/aberrant-t-cell-immunity-triggered-by-human-respiratory-syncytial-virus-and-human-metapneumovirus-infection
#3
Andrea E González, Margarita K Lay, Evelyn L Jara, Janyra A Espinoza, Roberto S Gómez, Jorge Soto, Claudia A Rivera, Katia Abarca, Susan M Bueno, Claudia A Riedel, Alexis M Kalergis
Human Respiratory syncytial virus (hRSV) and human metapneumovirus (hMPV) are the two major etiological viral agents of lower respiratory tract diseases, affecting mainly infants, young children and the elderly. Although the infection of both viruses trigger an antiviral immune response that mediate viral clearance and disease resolution in immunocompetent individuals, the promotion of long-term immunity appears to be deficient and reinfection are common throughout life. A possible explanation for this phenomenon is that hRSV and hMPV, can induce aberrant T cell responses, which leads to exacerbated lung inflammation and poor T and B cell memory immunity...
December 2, 2016: Virulence
https://www.readbyqxmd.com/read/27911090/antitumor-activity-of-portulaca-oleracea-l-polysaccharide-on-hela-cells-through-inducing-tlr4-nf-%C3%AE%C2%BAb-signaling
#4
Rui Zhao, Tao Zhang, Baoling Ma, Xing Li
Abstarct We have previously shown that Portulaca oleracea L. polysaccharide (POL-P3b) possesses the ability to inhibit cervical cancer cell growth in vitro and in vivo. In this study, we explored how toll-like receptor 4 (TLR4) signaling correlated with the antitumor mechanism of POL-P3b. Western blotting was utilized to detect the expression of TLR4 and the downstream signaling pathway. The level of inflammatory mediator was quantified using enzyme-linked immunosorbent assay (ELISA) kits. The effects of POL-P3b on the proliferation and apoptosis in HeLa cells were determined by WST-8 assay and Hoechst 33342/propidium iodide (PI) assay...
December 2, 2016: Nutrition and Cancer
https://www.readbyqxmd.com/read/27910896/methylmercury-induces-the-expression-of-tnf-%C3%AE-selectively-in-the-brain-of-mice
#5
Miyuki Iwai-Shimada, Tsutomu Takahashi, Min-Seok Kim, Masatake Fujimura, Hitoyasu Ito, Takashi Toyama, Akira Naganuma, Gi-Wook Hwang
Methylmercury selectively damages the central nervous system (CNS). The tumor necrosis factor (TNF) superfamily includes representative cytokines that participate in the inflammatory response as well as cell survival, and apoptosis. In this study, we found that administration of methylmercury selectively induced TNF-α expression in the brain of mice. Although the accumulated mercury concentration in the liver and kidneys was greater than in the brain, TNF-α expression was induced to a greater extent in brain...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910891/elevated-cerebral-spinal-fluid-biomarkers-in-children-with-mucopolysaccharidosis-i-h
#6
Gerald V Raymond, Marzia Pasquali, Lynda E Polgreen, Patricia I Dickson, Weston P Miller, Paul J Orchard, Troy C Lund
Mucopolysaccharidosis (MPS) type-IH is a lysosomal storage disease that results from mutations in the IDUA gene causing the accumulation of glycosaminoglycans (GAGs). Historically, children with the severe phenotype, MPS-IH (Hurler syndrome) develop progressive neurodegeneration with death in the first decade due to cardio-pulmonary complications. New data suggest that inflammation may play a role in MPS pathophysiology. To date there is almost no information on the pathophysiologic changes within the cerebral spinal fluid (CSF) of these patients...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910811/ll-37-hnp-1-and-hbd2-3-modulate-the-secretion-of-cytokines-tnf-%C3%AE-il-6-ifn-%C3%AE-il-10-and-mmp1-in-human-primary-cell-cultures
#7
Carlos Erik Medina Santos, Carmen Nathaly López Hurtado, Bruno Rivas Santiago, Roberto Gonzalez-Amaro, Yolanda Guadalupe Cataño Cañizales, Margarita de la Luz Martínez Fierro, José Antonio Enciso-Moreno, Mariana Haydee García Hernández
The aim of this study was to evaluate the effects of the LL-37, HNP-1 and HBD2/3 peptides on cytokine and MMP production in human polymorphonuclear cells, mononuclear cells and chondrocytes. The levels of cytokines in supernatants from mononuclear and polymorphonuclear cell cultures were measured with a cytometric bead array by flow cytometry. Likewise, the levels of metalloproteinase/MMP-1, 3, and 13 were measured in supernatants from chondrocyte cultures using an ELISA. The expression of RANKL on lymphocytes was analyzed by flow cytometry...
September 1, 2016: European Cytokine Network
https://www.readbyqxmd.com/read/27910767/immunostimulatory-effects-of-melphalan-and-usefulness-in-adoptive-cell-therapy-with-antitumor-cd4-t-cells
#8
Michal Kuczma, Zhi-Chun Ding, Gang Zhou
The alkylating agent melphalan is used in the treatment of hematological malignancies, especially multiple myeloma. In the past, the usefulness of melphalan has been solely attributed to its cytotoxicity on fastgrowing cancerous cells. Although the immunomodulatory effects of melphalan were suggested many years ago, only recently has this aspect of melphalan's activity begun to be elucidated at the molecular level. Emerging evidence indicates that melphalan can foster an immunogenic microenvironment by inducing immunogenic cell death (ICD) as characterized by membrane translocation of endoplasmic reticulum protein calreticulin (CRT) and by release of chromatin-binding protein high-mobility group box 1 (HMGB1)...
2016: Critical Reviews in Immunology
https://www.readbyqxmd.com/read/27910763/il10-a-tale-of-an-evolutionarily-conserved-cytokine-across-vertebrates
#9
M Carla Piazzon, George Lutfalla, Maria Forlenza
IL10 was discovered in 1989, and since then it has been the subject of intense investigation, which has revealed its potent anti-inflammatory and regulatory activities in most immune processes during infection and disease. In 2003, the first non-mammalian IL10 sequence was identified in teleost fish, followed in 2004 by the chicken IL10 sequence. In this review, we summarize the work performed in non-mammalian vertebrates in which the IL10, IL10 receptors (IL10Rs), and their signaling components have been identified...
2016: Critical Reviews in Immunology
https://www.readbyqxmd.com/read/27910159/staphylococcus-aureus-derived-membrane-vesicles-exacerbate-skin-inflammation-in-atopic-dermatitis
#10
S H Jun, J H Lee, S I Kim, C W Choi, T I Park, H R Jung, J W Cho, S H Kim, J C Lee
BACKGROUND: Skin colonization or infection with Staphylococcus aureus is known to trigger aggravation of atopic dermatitis (AD). However, the exact mechanisms by which S. aureus can worsen AD are unknown. OBJECTIVE: We investigated whether and how S. aureus-derived membrane vesicles (MVs) contribute to worsening of AD. METHODS: Immunohistochemical and immunoelectron microscopic analyses were performed to detect staphylococcal protein A (SPA) in the epidermis of AD lesions...
November 5, 2016: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27910140/side-effects-of-irinotecan-cpt-11-the-clinically-used-drug-for-colon-cancer-therapy-are-eliminated-in-experimental-animals-treated-with-latex-proteins-from-calotropis-procera-apocynaceae
#11
Nylane Maria Nunes de Alencar, Flávio da Silveira Bitencourt, Ingrid Samantha Tavares de Figueiredo, Patrícia Bastos Luz, Roberto César P Lima-Júnior, Karoline Sabóia Aragão, Pedro Jorge Caldas Magalhães, Gerly Anne de Castro Brito, Ronaldo Albuquerque Ribeiro, Ana Paula Fragoso de Freitas, Marcio Viana Ramos
Intestinal mucositis (IM) is the critical side effect of irinotecan (CPT-11), which is the front-line drug used for the treatment of colorectal cancer. This study aimed to evaluate the effectiveness of latex proteins (LP) from Calotropis procera to prevent IM and diarrhea in animals. Swiss mice were treated daily with saline or LP (1, 5, or 50 mg/kg, i.v.) 24 h prior to CTP-11 (75 mg/kg/4 days, i.p) and for additional 6 days. Animal survival, body weight variation, and diarrhea were registered. After animal sacrifice (day 7 post first injection of CPT-11), intestinal samples were collected to study morphology and inflammatory parameters...
December 2, 2016: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/27909971/gastrodin-attenuates-pentylenetetrazole-induced-seizures-by-modulating-the-mitogen-activated-protein-kinase-associated-inflammatory-responses-in-mice
#12
Liming Chen, Xinan Liu, Hua Wang, Min Qu
Gastrodin, the major component isolated from the rhizome of the Chinese traditional medicinal herb Gastrodia elata ("Tianma"), has a long history in the treatment of epilepsy and other neurological disorders. However, the molecular mechanisms are not clear. Here, we found that gastrodin ameliorated pentylenetetrazole (PTZ)-induced epileptic seizures with improvement of the electroencephalographic pattern in mice. Further studies demonstrated that gastrodin decreased the levels of the pro-inflammatory cytokines interleukin-1β and tumor necrosis factor-α while increasing interleukin-10, an anti-inflammatory cytokine in the brain...
December 1, 2016: Neuroscience Bulletin
https://www.readbyqxmd.com/read/27909908/obesity-and-liver-cancer
#13
Krasimira Aleksandrova, Marta Stelmach-Mardas, Sabrina Schlesinger
Obesity and related metabolic disorders have become globally prevalent posing a challenge for the chronically damaged liver and predisposing the development and progression of cancer. The rising phenomenon of "obesity epidemic" may provide means for understanding why liver cancer is one of the few malignancies with rising incidence in developed countries over the last decades. Non-alcoholic fatty liver disease associated with obesity, insulin resistance, and type 2 diabetes is an increasingly recognized trigger for liver cancer in Western populations characterized by low prevalence of established risk factors for liver cancer such as viral hepatitis and hepatotoxin exposure...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27909902/obesity-and-oesophageal-cancer
#14
Katharina Nimptsch, Annika Steffen, Tobias Pischon
A substantial increase in the incidence of oesophageal adenocarcinoma has been observed in Western countries during the past 30 years, which may be related to the parallel rise of the obesity prevalence. On the other hand, incidence rates of oesophageal squamous cell carcinomas, the other major histological type of oesophageal cancer, have remained relatively stable. Epidemiological research of the past decades has identified obesity as risk factor for oesophageal adenocarcinoma. Studies investigating general obesity as assessed by body mass index (BMI) provide evidence for a strong positive association with oesophageal adenocarcinoma...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27909880/il-9-producing-cells-in-the-development-of-ige-mediated-food-allergy
#15
REVIEW
Dana Shik, Sunil Tomar, Jee-Boong Lee, Chun-Yu Chen, Andrew Smith, Yui-Hsi Wang
Food allergy is a harmful immune reaction driven by uncontrolled type 2 immune responses. Considerable evidence demonstrates the key roles of mast cells, IgE, and TH2 cytokines in mediating food allergy. However, this evidence provides limited insight into why only some, rather than all, food allergic individuals are prone to develop life-threatening anaphylaxis. Clinical observations suggest that patients sensitized to food through the skin early in life may later develop severe food allergies. Aberrant epidermal thymic stromal lymphopoietin and interleukin (IL) 33 production and genetic predisposition can initiate an allergic immune response mediated by dendritic cells and CD4(+)TH2 cells in inflamed skin...
December 1, 2016: Seminars in Immunopathology
https://www.readbyqxmd.com/read/27909869/effect-of-oral-%C3%AF-3-polyunsaturated-fatty-acids-as-a-complement-management-to-control-fistula-output-and-inflammation-in-patients-with-digestive-fistula
#16
José Luis Martínez-Ordaz, Ilka Boscó-Gárate, Arturo Cérbulo-Vázquez, Lourdes Arriaga-Pizano, Isabel Wong-Baeza, Patricio Sánchez-Fernandez, Constantino López-Macías, Armando Isibasi, Eduardo Ferat-Osorio
BACKGROUND: The presence of digestive fistula involves chronic inflammation and fibrosis. It has been reported that ω3-polyunsaturated fatty acids stimulate the resolution of inflammation. AIM: Determine if the administration of oral ω3 reduces fistula output and the time required for fistula closure. METHODS: Forty-nine patients with postoperative fistula were randomly divided in two groups: 26 received conventional treatment and 23 received the conventional treatment supplemented with ω3 (540 mg eicosapentaenoic acid and 360 mg docosahexaenoic acid) for 35 days...
December 1, 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/27909707/in-vitro-study-of-the-host-responses-to-model-biomaterials-via-a-fibroblast-macrophage-co-culture-system
#17
Guoying Zhou, Andrea Liedmann, Chandralekha Chatterjee, Thomas Groth
Surface properties are believed to play important roles in initial inflammatory and subsequent wound healing/fibrotic responses after implantation of biomaterials. To investigate the surface property effect in mediating these host responses, we used an in vitro fibroblast/macrophage co-culture model established with a cell migration chamber, and a series of self-assembling monolayers (SAMs) bearing different terminal groups as model surfaces to study the effect of surface properties on macrophage fusion, fibroblast attachment, spreading morphology, proliferation, outgrowth, as well as pro-(interleukin-6) and anti-(interleukin-10) inflammatory cytokine production, expression of ED-A fibronectin (FN) and alpha-smooth muscle actin (α-SMA)...
December 2, 2016: Biomaterials Science
https://www.readbyqxmd.com/read/27909688/the-danger-signal-extracellular-atp-is-an-inducer-of-fusobacterium-nucleatum-biofilm-dispersal
#18
Qinfeng Ding, Kai Soo Tan
Plaque biofilm is the primary etiological agent of periodontal disease. Biofilm formation progresses through multiple developmental stages beginning with bacterial attachment to a surface, followed by development of microcolonies and finally detachment and dispersal from a mature biofilm as free planktonic bacteria. Tissue damage arising from inflammatory response to biofilm is one of the hallmark features of periodontal disease. A consequence of tissue damage is the release of ATP from within the cell into the extracellular space...
2016: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/27909560/induction-of-heme-oxygenase-1-with-dietary-quercetin-reduces-obesity-induced-hepatic-inflammation-through-macrophage-phenotype-switching
#19
Chu-Sook Kim, Hye-Seon Choi, Yeonsoo Joe, Hun Taeg Chung, Rina Yu
BACKGROUND/OBJECTIVES: Obesity-induced steatohepatitis accompanied by activated hepatic macrophages/Kupffer cells facilitates the progression of hepatic fibrinogenesis and exacerbates metabolic derangements such as insulin resistance. Heme oxyganase-1 (HO-1) modulates tissue macrophage phenotypes and thus is implicated in protection against inflammatory diseases. Here, we show that the flavonoid quercetin reduces obesity-induced hepatic inflammation by inducing HO-1, which promotes hepatic macrophage polarization in favor of the M2 phenotype...
December 2016: Nutrition Research and Practice
https://www.readbyqxmd.com/read/27909436/evaluation-of-anti-inflammatory-effects-of-steroids-and-arthritis-related-biotherapies-in-an-in-vitro-coculture-model-with-immune-cells-and-synoviocytes
#20
Mélissa Noack, Ndiémé Ndongo-Thiam, Pierre Miossec
BACKGROUND: During rheumatoid arthritis (RA), steroids and biotherapies are used alone and combined. Efficacy has been established in clinical trials but their differential effects at the cellular level are less documented. The aim was to study these cellular effects using an in vitro model with synoviocytes interacting with peripheral blood mononuclear cells (PBMC) to reproduce the interactions in the RA synovium. METHODS: Activated-PBMC were cocultured with RA synoviocytes during 48 h...
2016: Frontiers in Immunology
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