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Cytokine

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https://www.readbyqxmd.com/read/28438552/immunomodulation-of-autoimmune-arthritis-by-pro-inflammatory-cytokines
#1
REVIEW
Eugene Y Kim, Kamal D Moudgil
Pro-inflammatory cytokines promote autoimmune inflammation and tissue damage, while anti-inflammatory cytokines help resolve inflammation and facilitate tissue repair. Over the past few decades, this general feature of cytokine-mediated events has offered a broad framework to comprehend the pathogenesis of autoimmune and other immune-mediated diseases, and to successfully develop therapeutic approaches for diseases such as rheumatoid arthritis (RA). Anti-tumor necrosis factor-α (TNF-α) therapy is a testimony in support of this endeavor...
April 21, 2017: Cytokine
https://www.readbyqxmd.com/read/28433894/a-functional-snp-mcp-1-2518a-g-predispose-to-renal-disorder-in-indian-systemic-lupus-erythematosus-patients
#2
Vinod D Umare, Vandana D Pradhan, Anjali G Rajadhyaksha, Kanjaksha Ghosh, Anita H Nadkarni
Systemic Lupus Erythematosus (SLE) is a clinically heterogeneous chronic, inflammatory autoimmune disorder that affects multiple organs where exact etiology of the disease is not yet clearly understood. Various evidences suggest that genetic polymorphisms in inflammatory mediators like cytokines and chemokines may influence development of the disease. Here, we investigated whether functional polymorphism at the Monocyte Chemoattractant Protein-1 (MCP-1) regulatory region associates with disease phenotype in Indian SLE patients...
April 20, 2017: Cytokine
https://www.readbyqxmd.com/read/28433893/cytokine-profile-in-chronic-hepatitis-c-an-observation
#3
Dejan Baskic, Vuk R Vukovic, Suzana Popovic, Predrag Djurdjevic, Milan Zaric, Ivana Nikolic, Ivanka Zelen, Marina Mitrovic, Dusko Avramovic, Zeljko Mijailovic
The data addressing cytokine profile in chronically infected HCV patients are conflicting, ranging from Th1 or Th2 cytokine prevalence to the expression of both types of cytokines. Therefore, the aim of this study was to evaluate cytokine profile in these patients. Cytokine sera levels in HCV patients and healthy controls were evaluated using 13plex FlowCytomix Multiplex. Median values of both proinflammatory and anti-inflammatory cytokines were lower in HCV patients then in controls. In addition, the number of subjects producing detectable quantities of cytokines was significantly lower in the group of HCV patients...
April 20, 2017: Cytokine
https://www.readbyqxmd.com/read/28432986/the-effects-of-thymoquinone-on-hippocampal-cytokine-level-brain-oxidative-stress-status-and-memory-deficits-induced-by-lipopolysaccharide-in-rats
#4
Rahimeh Bargi, Fereshteh Asgharzadeh, Farimah Beheshti, Mahmoud Hosseini, Hamid Reza Sadeghnia, Majid Khazaei
OBJECTIVE: The study objective was to determine the protective effects of thymoquinone (TQ) on brain tissues oxidative stress status, hippocampal cytokine level, and learning and memory deficits induced by lipopolysaccharide (LPS) in rats. METHODS: Animals were randomly divided into the following groups and treated: (1) Control (saline), (2) LPS (1mg/kg i.p.), (3-5) 2, 5 or 10mg/kg TQ extract 30min before LPS injection. The treatment was started since two weeks before the behavioral experiments and continued during the behavioral tests (LPS injected 2h before each behavioral experiment)...
April 19, 2017: Cytokine
https://www.readbyqxmd.com/read/28432985/lif-endometrial-expression-is-impaired-in-women-with-unexplained-infertility-while-lif-r-expression-in-all-infertility-sub-groups
#5
Chrysoula Margioula-Siarkou, Yannis Prapas, Stamatios Petousis, Stefanos Milias, Konstantinos Ravanos, Themistoklis Dagklis, Ioannis Kalogiannidis, George Mavromatidis, Constantinos Haitoglou, Nikolaos Prapas, David Rousso
The main objective of our study was to study LIF and LIF-R endometrial expression during the implantation window in the various sub-groups of infertile women according to infertility cause. A prospective observational case-control study was performed from March 2013 to February 2016. Infertile women consisted of the patients' group (group 2) while fertile women were the control group (group 1). Infertile women were divided according to infertility cause in women with tubal factor (group 2a), poor ovarian reserve (group 2b), endometriosis (group 2c) and unexplained infertility (group 2d)...
April 19, 2017: Cytokine
https://www.readbyqxmd.com/read/28431325/bfgf-neutralization-stimulates-vegf-secretion-in-melanoma-b16-cells
#6
Zhiyong Wang, Pei Wei, Junjian Xiang, Hong Wang
Basic fibroblast growth factor (bFGF), which is expressed by most melanoma cells, can stimulate other growth factors secretion. It is well known that bFGF induces VEGF production; however, the influence of bFGF blockade remains uncertain. Here, we investigated the effect of bFGF neutralization on VEGF expression in B16 melanoma cells. We found that bFGF blockade resulting in increased VEGF expression and activated PI3K/AKT and P44/42 MAPK pathways. Moreover, combined inhibition of bFGF and VEGF led to enhanced activity against B16 tumors in vitro and in vivo...
April 18, 2017: Cytokine
https://www.readbyqxmd.com/read/28416270/plasma-levels-and-leucocyte-rna-expression-of-adipokines-in-young-patients-with-coronary-artery-disease-in-metabolic-syndrome-and-healthy-controls
#7
Aleš Smékal, Jan Václavík, David Stejskal, Klára Benešová, Jiří Jarkovský, Gabriela Svobodová, Radmila Richterová, Marek Švesták, Miloš Táborský
OBJECTIVES: Little is known about the role of adipokines in the pathogenesis of coronary artery disease in young patients. The aims of this study were to compare serum levels of adipokines and expression of adipokines in peripheral blood leukocytes in patients with premature coronary artery disease (CAD), metabolic syndrome and healthy individuals. DESIGN AND METHODS: Sixty-five patients with premature CAD (men 18-45years old and women 18-55years old) formed the study group...
April 14, 2017: Cytokine
https://www.readbyqxmd.com/read/28414969/cytokines-in-the-management-of-rotavirus-infection-a-systematic-review-of-in-vivo-studies
#8
REVIEW
Gopalsamy Rajiv Gandhi, Victor Santana Santos, Marina Denadai, Valdete Kaliane da Silva Calisto, Jullyana de Souza Siqueira Quintans, Ana Mara de Oliveira E Silva, Adriano Antunes de Souza Araújo, Narendra Narain, Luis Eduardo Cuevas, Lucindo José Quintans Júnior, Ricardo Queiroz Gurgel
OBJECTIVE: Rotavirus is a leading cause of childhood diarrhoea. Rotavirus vaccines are effective against severe rotavirus gastroenteritis, but have lower efficacy in low income countries in Africa. Anti-rotavirus treatment is not available. This study reviews the literature of animal studies evaluating whether cytokine mediated pathways of immune activation could improve rotavirus therapy. METHODS: We performed a systematic review of articles in English published from 2010 to 2016 reporting agents with in vivo antirotavirus activity for the management of rotavirus infection...
April 14, 2017: Cytokine
https://www.readbyqxmd.com/read/28416080/molecular-identification-and-immunological-characteristics-of-goose-suppressor-of-cytokine-signaling-1-socs-1-in-vitro-and-vivo-following-dtmuv-challenge
#9
Wei Zhang, Shun Chen, Jingyue Zhang, Zhen Wu, Mingshu Wang, Renyong Jia, Dekang Zhu, Mafeng Liu, Kunfeng Sun, Qiao Yang, Ying Wu, Xiaoyue Chen, Anchun Cheng
Purpose suppressor of cytokine signaling 1 (SOCS-1) is inducible feedback inhibitors of cytokine signaling and involved in viral infection through regulation of both innate and adaptive immunity. In this study, we firstly cloned SOCS-1 (goSOCS-1) from duck Tembusu virus (DTMUV) infected goose. The full-length sequence of goSOCS-1 ORF is 624bp and encoded 108 amino acids. Structurally, the mainly functional regions (KIR, SH2, SOCS-box) were conserved between avian and mammalian. The tissues distribution data showed SOCS-1 highly expressed in immune related tissues (SP, LU, HG) of both gosling and adult goose...
April 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28412025/the-influence-of-chronic-il-6-exposure-in-vivo-on-rat-achilles-tendon-extracellular-matrix
#10
Mark S Katsma, Shivam H Patel, Erica Eldon, Kathryn A Corbell, Kevin L Shimkus, James D Fluckey, Chad C Carroll
When compared to placebo, acetaminophen (APAP) reduces tendon stiffness and collagen cross-linking. APAP also enhances the exercise-induced increase in peritendinous levels of IL-6. Elevated levels of IL-6 are associated with tendinopathy, thus we hypothesized that chronic, elevated peritendinous IL-6 would alter tendon extracellular matrix (ECM). IL-6 (∼3000pgml(-1)) was injected (3dwk(-1) for 8-wks) into the Achilles peritendinous region of male Wistar rats (n=16) with the opposite leg serving as a sham...
April 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28411047/immunodepression-after-cpb-cytokine-dynamics-and-clinics-after-pediatric-cardiac-surgery-a-prospective-trial
#11
Georgia Justus, Christoph Walker, Lisa-Maria Rosenthal, Felix Berger, Oliver Miera, Katharina Rose Luise Schmitt
BACKGROUND: Corrective surgery for congenital heart defects is known to trigger a severe immune reaction. There has been extensive research on the effects of inflammation after cardiopulmonary bypass (CPB). Interestingly, monocytes are observed to be non-responsive to stimulation with lipopolysaccharide (LPS) under these conditions, indicating a state of immunodepression, which lays the ground for second hit infections after cardiosurgery with CPB. OBJECTIVES: The aim of this prospective study was to analyze immunodepression after pediatric cardiopulmonary bypass and to differentiate the effects of monocytic anergy on postoperative outcome...
April 11, 2017: Cytokine
https://www.readbyqxmd.com/read/28411046/different-influence-of-antipsychotics-on-the-balance-between-pro-and-anti-inflammatory-cytokines-depends-on-glia-activation-an-in-vitro-study
#12
Ewa Obuchowicz, Anna M Bielecka-Wajdman, Monika Paul-Samojedny, Marta Nowacka
The microglial hypothesis of schizophrenia suggests that its neuropathology is closely associated with neuroinflammation manifested, inter alia, by an increased expression of cytokines. However, clinical investigations imply that schizophrenia is a heterogeneous disease and in some groups of patients the activated inflammatory process does not contribute to the disease-associated impairment of brain function. Clinical studies revealed also an equivocal impact of antipsychotics on peripheral and CSF cytokines, whereas experimental research performed on the stimulated glia cultures showed their inhibitory effect on pro-inflammatory cytokine levels...
April 11, 2017: Cytokine
https://www.readbyqxmd.com/read/28411045/pro-inflammatory-effects-of-the-th1-chemokine-cxcl10-in-acquired-aplastic-anaemia
#13
Junhong Li, Meili Ge, Shihong Lu, Jun Shi, Xingxin Li, Min Wang, Jinbo Huang, Yingqi Shao, Zhendong Huang, Jing Zhang, Neng Nie, Yizhou Zheng
CXCL10/IFN-γ-induced protein 10 (IP-10) and its corresponding receptor CXCR3 have long been considered to be involved in the pathophysiology of type 1 T (Th1) cell-orientated autoimmune diseases. However, the exact role of CXCL10 in the pathogenesis of aplastic anaemia (AA) has not been thoroughly studied. The aim of our study was to evaluate the plasma level of CXCL10 and its effects on CD4(+) T cell differentiation in AA. In our study, we found that an elevated plasma level of CXCL10 was negatively correlated with platelet, absolute neutrophil and reticulocyte counts, while it was positively correlated with the proportion of lymphocytes in white blood cells in AA patients...
April 11, 2017: Cytokine
https://www.readbyqxmd.com/read/28411044/a-short-report-on-the-effect-of-decreased-incubation-time-on-the-architectural-profile-of-autologous-conditioned-serum-acs
#14
Angelique Barreto
If present in high enough concentrations, IL-1-Ra has the potential to inhibit Interleukin-1, the chief offender that promotes the pro-inflammatory cascade causing pain, swelling and joint dysfunction associated with osteoarthritis (OA). IL-1-Ra and growth factor levels were quantified from whole blood in this retrospective chart review investigation (n=20) using Zero and 15min incubation times respectively. The hypothesis that this process can significantly (p<0.0001) increase levels of IL-1-Ra was confirmed...
April 11, 2017: Cytokine
https://www.readbyqxmd.com/read/28410507/high-level-of-il-10-expression-in-the-blood-of-animal-models-possibly-relates-to-resistance-against-leptospirosis
#15
Mariko Matsui, Louise Roche, Marie-Estelle Soupé-Gilbert, Milena Hasan, Didier Monchy, Cyrille Goarant
Leptospirosis is a severe zoonosis which immunopathogenesis is poorly understood. We evaluated correlation between acute form of the disease and the ratio of the anti-inflammatory cytokine IL-10 to the pro-inflammatory TNF-α and IL-1β expression during the early phase of infection comparing resistant mice and susceptible hamsters infected with two different species of virulent Leptospira. The IL-10/TNF-α and IL-10/IL-1β expression ratios were higher in mouse compared to hamster independently of the Leptospira strain, suggesting a preponderant role of the host response and notably these cytokines in the clinical expression and survival to leptospirosis...
April 11, 2017: Cytokine
https://www.readbyqxmd.com/read/28408069/tlr7-mediated-activation-of-xbp1-correlates-with-the-ifn%C3%AE-production-in-humans
#16
Claudia Beisel, Susanne Ziegler, Glòria Martrus Zapater, Anaïs Chapel, Morgane Griesbeck, Heike Hildebrandt, Ansgar W Lohse, Marcus Altfeld
The transcription factor X-box binding protein 1 (XBP1) represents a key component of the endoplasmatic reticulum (ER) stress response and is required for the production of several pro-inflammatory cytokines. XBP1 is furthermore essential for the development and survival of plasmacytoid dendritic cells (pDCs), and has recently been suggested to be involved in toll-like receptor (TLR) 2/4 signaling. Activation of TLR7 on pDCs results in an upregulation of pro-inflammatory cytokines, such as type I interferons (IFN-I), and has been implicated in several autoimmune and inflammatory diseases, but the role of XBP1 in this process remains unknown...
April 10, 2017: Cytokine
https://www.readbyqxmd.com/read/28408068/quercus-infectoria-inhibits-set7-nf-%C3%AE%C2%BAb-inflammatory-pathway-in-macrophages-exposed-to-a-diabetic-environment
#17
Julalak Chokpaisarn, Norifumi Urao, Supayang P Voravuthikunchai, Timothy J Koh
Chronic inflammation plays a key role in the pathogenesis of myriad complications associated with diabetes and thus anti-inflammatory therapies may ameliorate these complications. Quercus infectoria (Qi) extract has been shown to downregulate inflammatory processes; however, the molecular mechanisms of this anti-inflammatory activity remain unclear. The hypothesis of our study was that Qi extract exerts its anti-inflammatory effect by downregulating the Set7/NF-κB pathway. Bone marrow-derived macrophages (BMM) were treated with high glucose plus palmitate medium (HG/Pa) to simulate the diabetic environment...
April 10, 2017: Cytokine
https://www.readbyqxmd.com/read/28399486/determination-of-cytokine-levels-in-multiple-sclerosis-patients-and-their-relevance-with-patients-response-to-cinnovex
#18
Mohammad Taheri, Soudeh Ghafouri-Fard, Ghasem Solgi, Arezou Sayad, Mehrdokht Mazdeh, Mir Davood Omrani
Multiple sclerosis (MS) is a heterogeneous chronic immune-mediated disorder of the central nervous system (CNS) with several environmental and genetic factors participating in its development and disease course. Interferon (IFN)-β therapy is considered as the first line treatment in this disorder. The present study enrolled 231 relapsing-remitting MS patients who were diagnosed as IFN-β responders (n=146) and non-responders (n=85). Serum cytokine levels were analyzed by commercially available ELISA kits in distinct groups based on HLA-A, -B and -DRB1 alleles...
April 8, 2017: Cytokine
https://www.readbyqxmd.com/read/28399485/interleukin-18-protects-mice-from-enterovirus-71-infection
#19
Zheng Li, Hongbin Wang, Yihui Chen, Junling Niu, Qiuhong Guo, Qibin Leng, Zhong Huang, Zhirui Deng, Guangxun Meng
Previous study has demonstrated that the NLRP3 inflammasome is essential for protecting murine host against Enterovirus 71 (EV71) infection. However, the underlying mechanism remained unknown. Here we discovered that the pleiotropic cytokine interleukin-18 (IL-18), an NLRP3 inflammasome-dependent effector protein, exhibits a protective capability against EV71 challenge. Deficiency of IL-18 in mice exacerbated EV71 infection, which was reflected by increased viral replication, elevated production of interferons (IFN-β, IFN-γ), proinflammatory cytokines (TNF-α, IL-6) and chemokine CCL2,as well as decreased survival of experimental animals...
April 8, 2017: Cytokine
https://www.readbyqxmd.com/read/28399484/the-effect-of-g-csf-and-amd3100-on-mice-treated-with-streptozotocin-expansion-of-alpha-cells-and-partial-islet-protection
#20
Yonathan Gomez, Dylana Diaz-Solano, Teresa Gledhill, Olga Wittig, Jose Cardier
Administration of streptozotocin (STZ) is one of the most used experimental models of diabetes (STZ-DT). STZ induces beta-cell damage in pancreatic islets. It is known that hematopoietic stem progenitor cells (HSPCs) are mobilized from bone marrow to damaged tissues. In this work, we evaluated the effects of the hematopoietic mobilizers G-CSF (250μg/kg; for five consecutive days) and AMD3100 (5mg/kg; single s.c injection) in mice treated with STZ (175mg/kg). Mice injected with STZ showed a significant reduction in the number and area of islets and in the number of beta- and alpha-cells...
April 8, 2017: Cytokine
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