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https://www.readbyqxmd.com/read/28646409/neuroprotective-effects-of-g-csf-administration-in-microglia-mediated-reactive-t-cell-activation-in-vitro
#1
Wei Peng
G-CSF is a growth factor that has known neuroprotective effects in a variety of experimental brain injury models. As both antigen-presenting microglia and reactive T cells are key components in the development and progression of EAE, the aim of this study is to investigate the neuroprotective effects of recombinant human G-CSF, as administered in microglia-mediated reactive T cell assay in vitro. Our results indicate that G-CSF treatment has no apparent effect for the resting un-activated microglia. G-CSF pre-protection of microglia increased protective cytokine IL-4 production and effectively inhibited the productions of NO and other inflammatory mediators (IFN-γ, TNF-α, IL-1β, IL-17, and chemokine MCP-1) after LPS stimulation...
June 23, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28646042/on-the-role-il-4-il-13-heteroreceptor-plays-in-regulation-of-type-1-diabetes
#2
Tobechukwu K Ukah, Alexis N Cattin-Roy, Weirong Chen, Mindy M Miller, Subhasis Barik, Habib Zaghouani
Type 1 diabetes (T1D) manifests when the insulin-producing pancreatic β cells are destroyed as a consequence of an inflammatory process initiated by lymphocytes of the immune system. The NOD mouse develops T1D spontaneously and serves as an animal model for human T1D. The IL-4Rα/IL-13Rα1 heteroreceptor (HR) serves both IL-4 and IL-13 cytokines, which are believed to function as anti-inflammatory cytokines in T1D. However, whether the HR provides a responsive element to environmental (i.e., physiologic) IL-4/IL-13 in the regulation of peripheral tolerance and the development of T1D has yet to be defined...
June 23, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28645781/immunomodulatory-mechanism-of-bushen-huoxue-recipe-alleviates-cyclophosphamide-induced-diminished-ovarian-reserve-in-mouse-model
#3
Cong Huang, Kunkun Song, Wenwen Ma, Jiahui Ding, Zhuo Chen, Mingmin Zhang
ETHNOPHARMACOLOGICAL RELEVANCE: Bushen Huoxue recipe (BHR) is a Chinese herbal prescription composed of ten herbs and it is widely used for the treatment of diminished ovarian reserve (DOR). This study investigates the potentially beneficial effects and underlying mechanism of BHR on a cyclophosphamide (CTX) induced model of DOR in mice. MATERIALS AND METHODS: Granules of BHR were first subjected to high performance liquid chromatography (HPLC) to determine the exact ingredients within the mixture...
June 20, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28645772/increased-of-the-hepatocytes-and-splenocytes-apoptosis-accompanies-clinical-improvement-and-higher-survival-in-mice-infected-with-trypanosoma-cruzi-and-treated-with-highly-diluted-lycopodium-clavatum
#4
Gislaine Janaina Falkowski-Temporini, Carina Ribeiro Lopes, Paula Fernanda Massini, Camila Fernanda Brustolin, Fabiana Nabarro Ferraz, Patricia Flora Sandri, Luzmarina Hernandes, Denise Lessa Aleixo, Terezinha Fátima Barion, Luiz Gilson Esper, Silvana Marques de Araújo
Recent evidence includes apoptosis as a defense against Trypanosoma cruzi infection, which promotes an immune response in the host induced by T cells, type 1, 2 and 17. Currently, there is no medicine completely preventing the progression of this disease. We investigated the immunological and apoptotic effects, morbidity and survival of mice infected with T. cruzi and treated with dynamized homeopathic compounds 13c: Kalium causticum (GCaus), Conium maculatum, (GCon), Lycopodium clavatum (GLy) and 7% alcohol solution (control, vehicle compounds, GCI)...
June 20, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28645138/correction-tumor-growth-suppressive-effect-of-il-4-through-p21-mediated-activation-of-stat6-in-il-4r%C3%AE-overexpressed-melanoma-models
#5
Hye Lim Lee, Mi Hee Park, Ju Kyoung Song, Yu Yeon Jung, Youngsoo Kim, Kyung Bo Kim, Dae Yeon Hwang, Do Young Yoon, Min Jong Song, Sang Bae Han, Jin Tae Hong
No abstract text is available yet for this article.
June 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28643502/the-pathogenesis-and-potential-therapeutic-method-of-idiopathic-thrombocytopenic-purpura
#6
Xiaohong Zhao, Xiaomei Qi, Chen Wang, Zhonghao Zhou, Haiwu Cao, Pin Wu, Linghao Li, Shiyun Lu, Zhi Wang
BACKGROUND: This study sought to clarify the pathogenesis of idiopathic thrombocytopenic purpura(ITP) and make preliminary investigations regarding a therapeutic method. METHODS: ELISA was used to establish and analyze the standard curve for interferon (IFN)-γ, interleukin (IL)-4, and IL-17 in order to determine a measurement method for these cytokines. Subsequently, cellular levels of IFN-γ, IL-4, and IL-17 in the peripheral blood of patients in the treatment group (traditional Chinese medicine) was compared with those in the control group (Western-style care)...
June 21, 2017: Minerva Medica
https://www.readbyqxmd.com/read/28642888/aquaporin-4-antibodies-in-patients-treated-with-natalizumab-for-suspected-ms
#7
Anna Gahlen, Anne-Kathrin Trampe, Steffen Haupeltshofer, Marius Ringelstein, Orhan Aktas, Achim Berthele, Brigitte Wildemann, Ralf Gold, Sven Jarius, Ingo Kleiter
OBJECTIVE: To evaluate (1) the frequency of aquaporin-4 antibody (AQP4-ab)-seropositive cases among patients treated with natalizumab (NAT) and previously diagnosed with MS (MS(NAT)) in a nationwide cohort, (2) the clinical course of NAT-treated AQP4-ab-seropositive neuromyelitis optica spectrum disorder (NMOSD) patients (NMO(NAT)), (3) AQP4-ab titers in NMO(NAT) and AQP4-ab-seropositive NMOSD treated with other immunotherapies (NMO(IT)), and (4) immune mechanisms influencing disease activity in NMO(NAT)...
July 2017: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/28642550/cytokines-regulate-complement-receptor-immunoglobulin-expression-and-phagocytosis-of-candida-albicans-in-human-macrophages-a-control-point-in-anti-microbial-immunity
#8
Usma Munawara, Annabelle G Small, Alex Quach, Nick N Gorgani, Catherine A Abbott, Antonio Ferrante
Complement Receptor Immunoglobulin (CRIg), selectively expressed by macrophages, plays an important role in innate immunity by promoting phagocytosis of bacteria. Thus modulation of CRIg on macrophages by cytokines can be an important mechanism by which cytokines regulate anti-microbial immunity. The effects of the cytokines, tumor necrosis factor, transforming growth factor-β1, interferon-γ, interleukin (IL)-4, IL-13, IL-10, IL-1β, IL-6, lymphotoxin-α, macrophage-colony stimulating factor (M-CSF) and GM-CSF on CRIg expression were examined in human macrophages...
June 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28642037/testosterone-regulates-3t3-l1pre-adipocyte-differentiation-and-epididymal-fat-accumulation-in-mice-through-modulating-macrophage-polarization
#9
Xiaojiao Ren, Xiaojian Fu, Xinhua Zhang, Shiqiang Chen, Shuguang Huang, Lun Yao, Guoquan Liu
Low testosterone levels are strongly related to obesity in males. The balance between the classically M1 and alternatively M2 polarized macrophages also plays a critical role in obesity. It is not clear whether testosterone regulates macrophage polarization and then affects adipocyte differentiation. In this report, we demonstrate that testosterone strengthens interleukin (IL) -4-induced M2 polarization and inhibits lipopolysaccharide (LPS) -induced M1 polarization, but has no direct effect on adipocyte differentiation...
June 19, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28640620/using-complementary-nmr-data-sets-to-detect-inconsistencies-and-model-flaws-in-the-structure-determination-of-human-interleukin-4
#10
Lorna J Smith, Wilfred F van Gunsteren, Niels Hansen
The derivation of protein structure from values of observable quantities measured in NMR experiments is a rather non-trivial task due to (i) the limited number of data compared to degrees of freedom of a protein, (ii) the uncertainty inherent to the function connecting an observable quantity to molecular structure, (iii) the finite quality of biomolecular models and force fields used in structure refinement, and (iv) the conformational freedom of a protein in aqueous solution, which requires extensive conformational sampling and appropriate conformational averaging when calculating or restraining to sets of NMR data...
June 22, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28640379/comparative-and-correlative-assessments-of-cytokine-complement-and-antibody-patterns-in-pediatric-type-1-diabetes
#11
M Abdel-Latif, A A Abdel-Moneim, M H El-Hefnawy, R G Khalil
One of the most widespread and effective environmental factors is the infection with enteroviruses (EVs) which accelerate β - cell destruction in type 1 diabetes (T1D). This study represented a comparison between diabetic EV(+) and EV- children as well as correlation analysis between autoantibodies, T1D markers, cytokines, complement activation products and anti- coxsackievirus (CV) IgG. EV RNA was detected in Egyptian children with T1D (26.2%) and healthy controls (0%). Detection of anti - CV IgG in T1D - EV(+) resulted in 64% positivity...
June 22, 2017: Clinical and Experimental Immunology
https://www.readbyqxmd.com/read/28637471/enhanced-humoural-and-cellular-immune-responses-to-influenza-h7n9-antigen-ha1-2-fused-with-flagellin-in-chickens
#12
Li Song, Dan Xiong, Maozhi Hu, Xilong Kang, Zhiming Pan, Xinan Jiao
BACKGROUND: Sudden increases in the number of human A (H7N9) cases reported during December and January have been observed in previous years. Most reported infection cases are due to prior exposure to live poultry or potentially contaminated environments. Low pathogenicity of influenza A (H7N9) virus in avian species complicates timely discovery of infected birds. Therefore, there is a pressing need to develop safe and effective anti-H7N9 vaccines for poultry to reduce the risk of human infection and prevent the emergence of novel mutated strains...
June 21, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28637418/anti-inflammatory-effect-of-crocus-sativus-on-the-serum-cytokines-levels-in-subjects-with-metabolic-syndrome-a-randomized-double-blind-placebo-controlled-trial
#13
Tayebe Kermani, Maedeh Zebarjadi, Hassan Mehrad-Majd, Seyed-Reza Mirhafez, Maryam Shemshian, Faezeh Ghasemi, Elham Mohammadzadeh, Seyed Hadi Mousavi, Abdolreza Norouzy, Toktam Moghiman, Akram Sadeghi, Gordon Ferns, Amir Avan, Elaheh Mahdipour, Majid Ghayour-Mobarhan
BACKGROUND/AIMS: A growing body of evidence supports an important role of inflammatory-cytokines in development and progression of metabolic-syndrome (MetS), which explain, at least in part, its relationship with an increased cardiovascular-risk. Several studies have reported the therapeutic-impact of crocus-sativus in preclinical/clinical setting. Here we have explored the effects of crocus-sativus, saffron, on the modulation of twelve serum cytokines in subjects with MetS in a randomized control trial...
June 21, 2017: Current Clinical Pharmacology
https://www.readbyqxmd.com/read/28636533/microrna-149-suppresses-hepatic-inflammatory-response-through-antagonizing-stat3-signaling-pathway
#14
Qiqi Zhang, Jia Su, Ziwei Wang, Hui Qi, Zeyong Ge, Zhijun Li, Wei-Dong Chen, Yan-Dong Wang
Chronic inflammation is increasingly recognized as an important component of tumorigenesis and metabolic diseases. The roles of microRNA149* (miRNA149*) in inflammation remain poorly understood. Here, we demonstrate that miR-149* is a suppressor of STAT3-mediated inflammation. MiR-149*-/- mice were generated with CRISPR/CAS9 technique. In a lipopolysaccharide (LPS)-induced inflammation model, miR-149*-/- mice show more severe liver injury and inflammation, compared with wild-type (WT) mice. MiR-149*-/- mice also displayed elevated messenger RNA (mRNA) levels of interleukin (IL)-6, inducible nitric oxide synthase (iNOS), complement C3 (C3) and IL-4 in response to LPS...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28635405/effects-of-microwave-ablation-on-t-cell-subsets-and-cytokines-of-patients-with-hepatocellular-carcinoma
#15
Haiwen Zhang, Xiaowei Hou, Hongjian Cai, Xingjun Zhuang
OBJECTIVES: To investigate the effects of microwave ablation on T-lymphocyte subsets and cytokines in patients with hepatocellular carcinoma. MATERIAL AND METHODS: Peripheral blood was collected from 45 patients with hepatocellular carcinoma treated by microwave ablation before treatment, one week and one month after treatment. T cells (CD3+, CD4+ and CD8+ cells), CD4+ CD25+ Tregs, and CD16+ CD56+ NK cells were analyzed by flow cytometry. Levels of cytokines (IL-2, IFN-γ, TNF-α, IL-12, IL-4, IL-6, IL-8, and IL-10) were determined by a Luminex 200 analyzer...
February 20, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/28633757/the-relationship-between-circulating-mitochondrial-dna-and-inflammatory-cytokines-in-patients-with-major-depression
#16
Yuki Kageyama, Takaoki Kasahara, Masaki Kato, Shiho Sakai, Yasuhiko Deguchi, Munehide Tani, Kenji Kuroda, Kotaro Hattori, Sumiko Yoshida, Yuichi Goto, Toshihiko Kinoshita, Koki Inoue, Tadafumi Kato
BACKGROUND: Although inflammatory cytokines are established biomarkers of mood disorders, their molecular mechanism is not known. We hypothesized that circulating mitochondrial DNA (mtDNA) contributes to inflammation and could be used as biomarkers. We investigated if circulating mtDNA level is associated with inflammatory cytokines and can be used as a biomarker of mood disorders. METHODS: Plasma mtDNA concentration was measured with real-time quantitative PCR targeting two regions of the mtDNA and plasma levels of four cytokines (GM-CSF, IL-2, IL-4, and IL-6) were measured with a multiplex immunoassay method in 109 patients with major depressive disorder (MDD)...
June 6, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28632956/anti-inflammatory-potential-of-a-heat-killed-lactobacillus-strain-isolated-from-kimchi-on-house-dust-mite-induced-atopic-dermatitis-in-nc-nga-mice
#17
C Y Choi, Y H Kim, S Oh, H J Lee, J H Kim, S H Park, H J Kim, S J Lee, T Chun
AIMS: Atopic dermatitis (AD) is an allergic skin disease driven by the Th2-prone immune response. Therefore, a fundamental approach to restoring the Th1/Th2 balance is needed to treat AD. METHODS AND RESULTS: Eighteen different Lactobacillus strains isolated from Kimchi were screened to identify those that stimulated immune cells to secret Th1-type or Th2-type cytokines. Lactobacillus brevis NS1401 induced the greatest IFN-γ and IL-12 secretion and the least IL-4 production among the tested Lactobacillus strains...
June 20, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28631997/expression-and-purification-of-a-functional-porcine-soluble-triggering-receptor-expressed-on-myeloid-cells-1
#18
Hui Li, Shuangshuang Guo, Leyan Yan, Chunhua Meng, Yiyi Hu, Kongwang He, Zhendan Shi
Triggering receptor expressed on myeloid cells 1 (TREM-1) plays a vital role in the pathogen-triggered amplification loop required for proinflammatory responses. Blockade of TREM-1 signaling may inhibit expansion of sepsis and prolong survival of animals. In the present study, the gene of porcine soluble TREM-1 was cloned and expressed in E. coli. After purification, the bioactivity of recombinant porcine soluble TREM-1 was tested in vitro on porcine alveolar macrophages. The results showed that supplementation with the recombinant porcine sTREM-1 protein rapidly and dose-dependently attenuated the upregulation of cytokines (IL-1β, IL-2, IL-4, IL-8, IL-10, IL-12, IL-16, IL-18, and TNF-α) caused by LPS stimulation in the cultured porcine alveolar macrophages...
February 10, 2017: Animal Biotechnology
https://www.readbyqxmd.com/read/28631356/immune-tolerance-effect-in-mesenteric-lymph-node-lymphocytes-of-geniposide-on-adjuvant-arthritis-rats
#19
Zheng-Rong Zhang, Hong Wu, Rong Wang, Shu-Ping Li, Li Dai, Wen-Yu Wang
Rheumatoid arthritis (RA) is a systemic, Th1 cytokine-predominant autoimmune disease result in a chronic and inflammatory disorder. Geniposide (GE), an iridoid glycoside compound that is purified from Gardenia jasminoides Ellis, has antiinflammatory and other immunoregulatory effects, but its exact mechanism of actions on RA is unknown. The aim of this study was to elucidate antiinflammation effects of GE on adjuvant arthritis (AA) rats and its possible immune tolerance mechanisms. Male Sprague-Dawley rats were administered with GE (30, 60, and 120 mg/kg) orally from day 17 to 24 after immunization...
June 19, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28630341/pig-model-mimicking-chronic-hepatitis-e-virus-infection-in-immunocompromised-patients-to-assess-immune-correlates-during-chronicity
#20
Dianjun Cao, Qian M Cao, Sakthivel Subramaniam, Danielle M Yugo, C Lynn Heffron, Adam J Rogers, Scott P Kenney, Debin Tian, Shannon R Matzinger, Christopher Overend, Nicholas Catanzaro, Tanya LeRoith, Heng Wang, Pablo Piñeyro, Nicole Lindstrom, Sherrie Clark-Deener, Lijuan Yuan, Xiang-Jin Meng
Chronic hepatitis E virus (HEV) infection is a significant clinical problem in immunocompromised individuals such as organ transplant recipients, although the mechanism remains unknown because of the lack of an animal model. We successfully developed a pig model of chronic HEV infection and examined immune correlates leading to chronicity. The conditions of immunocompromised patients were mimicked by treating pigs with an immunosuppressive regimen including cyclosporine, azathioprine, and prednisolone. Immunocompromised pigs infected with HEV progressed to chronicity, because 8/10 drug-treated HEV-infected pigs continued fecal virus shedding beyond the acute phase of infection, whereas the majority (7/10) of mock-treated HEV-infected pigs cleared fecal viral shedding at 8 wk postinfection...
June 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
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