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Macrophage GM-CSF

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https://www.readbyqxmd.com/read/28930915/microvesicle-subsets-in-sepsis-due-to-community-acquired-pneumonia-compared-to-faecal-peritonitis
#1
Hazem M S Lashin, Suchita Nadkarni, Silvia Oggero, Hefin R Jones, Julian C Knight, Charles J Hinds, Mauro Perretti
RATIONALE: Microvesicles (MV) act as a non-soluble means of inter-cellular communication, with effector roles in disease pathogenesis and potentially as biomarkers. Previously, we reported that neutrophil MV expressing alpha-2-macroglobulin (A2MG) are protective in experimental sepsis and associate with survival in a small cohort of patients with sepsis due to community acquired pneumonia (CAP). OBJECTIVES: To characterise MV profiles in sepsis due to CAP or faecal peritonitis (FP) and determine their relation to outcome...
September 19, 2017: Shock
https://www.readbyqxmd.com/read/28914804/the-role-of-erk-signaling-in-experimental-autoimmune-encephalomyelitis
#2
Katharina Birkner, Beatrice Wasser, Julia Loos, Alexander Plotnikov, Rony Seger, Frauke Zipp, Esther Witsch, Stefan Bittner
Extracellular signal-regulated kinase (ERK) signaling plays a crucial role in regulating immune cell function and has been implicated in autoimmune disorders. To date, all commercially available inhibitors of ERK target upstream components, such as mitogen-activated protein (MAP) kinase/ERK kinase (MEKs), but not ERK itself. Here, we directly inhibit nuclear ERK translocation by a novel pharmacological approach (Glu-Pro-Glu (EPE) peptide), leading to an increase in cytosolic ERK phosphorylation during T helper (Th)17 cell differentiation...
September 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28901417/discrimination-of-the-heterogeneity-of-bone-marrow%C3%A2-derived-dendritic-cells
#3
Jing Wang, Xiaomin Dai, Chiaching Hsu, Changsheng Ming, Ying He, Ji Zhang, Lai Wei, Ping Zhou, Cong-Yi Wang, Jun Yang, Nianqiao Gong
The present study aimed to discriminate different subsets of cultured dendritic cells (DCs) to evaluate their immunological characteristics. DCs offer an important foundation for immunological studies, and mouse bone marrow (BM) cells cultured with granulocyte‑macrophage colony‑stimulating factor (GM‑CSF) have been used extensively to generate CD11c+/major histocompatibility complex II+ BM‑derived DCs (BMDCs). Immature DCs are considered to have strong migration and phagocytic antigen‑capturing abilities, whereas mature DCs are thought to activate naive T cells and express high levels of costimulatory cytokines and adhesion molecules...
September 8, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28900063/-translational-research-on-neuropsychiatric-disorders-focusing-on-microglia-hypothesis
#4
Takahiro A Kato, Masahiro Ohgidani, Shigenobu Kanba
Microglia-immune cells in the brain-have recently been highlighted to understand the pathophysiology of psychiatric disorders such as schizophrenia, depression, and autism. In this review paper, we introduce the microglia hypothesis for psychiatric disorders. In addition, we introduce our novel translational research approach to psychiatric disorders using microglia-like (iMG) cells directly induced from human blood, these iMG cells can be produced from peripheral monocytes within two weeks using two cytokines: granulocyte-macrophage colony-stimulating factor (GM-CSF) and interleukin-34 (IL-34)...
September 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28898718/interleukin-17-regulates-shp-2-and-il-17ra-stat-3-dependent-cyr61-il-23-and-gm-csf-expression-and-rankl-mediated-osteoclastogenesis-by-fibroblast-like-synoviocytes-in-rheumatoid-arthritis
#5
Ramamoorthi Ganesan, Mahaboobkhan Rasool
Interleukin (IL)-17 predominately produced by the Th17 cells, plays a crucial role in the fibroblast-like synoviocytes (FLS) mediated disease process of rheumatoid arthritis (RA). IL-17 exerts its pathogenic effects in RA-FLS by IL-17/IL-17RA/STAT-3 signaling. Recent studies have shown that RA-FLS produces SHP-2, Cyr61, IL-23, GM-CSF and RANKL which results in worsening of the disease. However, whether IL-17/IL-17RA/STAT-3 signaling regulates SHP-2, Cyr61, IL-23, GM-CSF and RANKL expressions in RA-FLS remains unknown...
September 9, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28878349/peptide-mediated-delivery-of-donor-mitochondria-improves-mitochondrial-function-and-cell-viability-in-human-cybrid-cells-with-the-melas-a3243g-mutation
#6
Jui-Chih Chang, Fredrik Hoel, Ko-Hung Liu, Yau-Huei Wei, Fu-Chou Cheng, Shou-Jen Kuo, Karl Johan Tronstad, Chin-San Liu
The cell penetrating peptide, Pep-1, has been shown to facilitate cellular uptake of foreign mitochondria but further research is required to evaluate the use of Pep-1-mediated mitochondrial delivery (PMD) in treating mitochondrial defects. Presently, we sought to determine whether mitochondrial transplantation rescue mitochondrial function in a cybrid cell model of mitochondrial myopathy, encephalopathy, lactic acidosis, and stroke-like episodes (MELAS) disease. Following PMD, recipient cells had internalized donor mitochondria after 1 h, and expressed higher levels of normal mitochondrial DNA, particularly at the end of the treatment and 11 days later...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28868949/cytokine-profile-in-gingival-crevicular-fluid-and-plasma-of-patients-with-aggressive-periodontitis
#7
Hager R Zein Elabdeen, Manal Mustafa, Raouf Ali, Anne Isine Bolstad
OBJECTIVE: This study aimed to determine the content of cytokines in gingival crevicular fluid (GCF) as well as in plasma of Sudanese patients with aggressive periodontitis (AgP) and healthy controls (HC). MATERIALS AND METHODS: Nineteen AgP patients and 19 HC were included. The mean probing pocket depth and clinical attachment level of the GCF sampled sites in patients were both ≥5 mm. The GCF and plasma levels of 27 cytokines were determined using 27-multiplex fluorescent bead-based immunoassays...
September 3, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28861450/data-describing-ifn%C3%AE-mediated-viral-clearance-in-an-adult-mouse-model-of-respiratory-syncytial-virus-rsv
#8
Katherine M Eichinger, Kerry M Empey
The data presented here are related to the research article entitled "Age predicts cytokine kinetics and innate immune cell activation following intranasal delivery of IFNγ and GM-CSF in a mouse model of RSV infection" (Eichinger et al., 2017) [1]. The cited manuscript demonstrated that the macrophage-stimulating cytokine, interferon gamma (IFNγ), but not granulocyte macrophage-colony stimulating factor (GM-CSF), effectively enhanced viral clearance in infant mice infected with respiratory syncytial virus (RSV) following intranasal delivery...
October 2017: Data in Brief
https://www.readbyqxmd.com/read/28860941/dengue-virus-and-japanese-encephalitis-virus-infection-of-the-central-nervous-system-share-similar-profiles-of-cytokine-accumulation-in-cerebrospinal-fluid
#9
Haipeng Li, Yuanyuan Li, Bo Wen, Jian Zhang, Chengwu Wang, Zhanyi Song, Shuochi Li, Xiaowang Qu, Renbin Huang, Wenpei Liu
Dengue virus (DENV) and Japanese encephalitis virus (JEV) are two important pathogenic viruses that can cause severe encephalitis, which is accompanied by inflammatory cytokines. However, the inflammatory cytokine content of cerebrospinal fluid (CSF) in DENV and JEV infection of central nervous system are not sufficiently studied. To investigate cytokine levels in serum and CSF of hospitalised children with DENV and JEV infection of the central nervous system, a total of 183 hospitalised children with viral encephalitis-like syndrome were enrolled between May 2014 and April 2015 at the Children's Hospital of Chenzhou, Hunan, China...
2017: Central-European Journal of Immunology
https://www.readbyqxmd.com/read/28860566/targeting-cholesterol-homeostasis-in-lung-diseases
#10
Anthony Sallese, Takuji Suzuki, Cormac McCarthy, James Bridges, Alyssa Filuta, Paritha Arumugam, Kenjiro Shima, Yan Ma, Matthew Wessendarp, Diane Black, Claudia Chalk, Brenna Carey, Bruce C Trapnell
Macrophages are critical to organ structure and function in health and disease. To determine mechanisms by which granulocyte/macrophage-colony stimulating factor (GM-CSF) signaling normally maintains surfactant homeostasis and how its disruption causes pulmonary alveolar proteinosis (PAP), we evaluated lipid composition in alveolar macrophages and lung surfactant, macrophage-mediated surfactant clearance kinetics/dynamics, and cholesterol-targeted pharmacotherapy of PAP in vitro and in vivo. Without GM-CSF signaling, surfactant-exposed macrophages massively accumulated cholesterol ester-rich lipid-droplets and surfactant had an increased proportion of cholesterol...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28854814/function-and-safety-of-lentivirus-mediated-gene-transfer-for-csf2ra-deficiency
#11
Miriam Hetzel, Takuji Suzuki, Anna Rafiei Hashtchin, Paritha Arumugam, Brenna Carey, Marc Schwabbauer, Alexandra Kuhn, Johann Meyer, Axel Schambach, Johannes Van Der Loo, Thomas Moritz, Bruce C Trapnell, Nico Lachmann
Hereditary pulmonary alveolar proteinosis (hPAP) is a rare disorder of pulmonary surfactant accumulation and hypoxemic respiratory failure caused by mutations in CSF2RA (encoding the granulocyte/macrophage-colony stimulating factor (GM-CSF) receptor α-chain (CD116)), which results in reduced GM-CSF-dependent pulmonary surfactant clearance by alveolar macrophages. While no pharmacologic therapy currently exists for hPAP, we recently demonstrated that endotracheal instillation of wild-type or gene-corrected mononuclear phagocytes (pulmonary macrophage transplantation, PMT) results in a significant and durable therapeutic efficacy in a validated murine model of hPAP...
August 30, 2017: Human Gene Therapy Methods
https://www.readbyqxmd.com/read/28846158/different-expression-patterns-of-plasma-th1-th2-th17-and-th22-related-cytokines-correlate-with-serum-autoreactivity-and-allergen-sensitivity-in-chronic-spontaneous-urticaria
#12
Qiquan Chen, Hua Zhong, WenChieh Chen, Zhifang Zhai, Zhou Zhou, Zhiqiang Song, Fei Hao
BACKGROUND: Clinical features and basophil activation levels correlate with serum autoreactivity and allergen sensitivity in patients with chronic spontaneous urticaria (CSU). OBJECTIVES: To explore the relationship of the expression patterns of plasma T-helper cell (Th) 1, Th2, Th17, and Th22-related cytokines with the serum autoreactivity and the allergen sensitivity in CSU. METHOD: Twenty related cytokines were measured and analysed in 60 CSU patients, 15 acute urticaria patients, 10 patients with atopic dermatitis (AD), and 15 healthy persons, respectively...
August 28, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28842601/a-neuropeptide-substance-p-directly-induces-tissue-repairing-m2-like-macrophages-by-activating-the-pi3k-akt-mtor-pathway-even-in-the-presence-of-ifn%C3%AE
#13
Ji Eun Lim, Eunkyung Chung, Youngsook Son
Macrophage polarization plays an important role in tissue damage and repair. In this study, we show that Substance-P (SP) can directly induce M2 polarization of inflammatory macrophages. SP induced the differentiation of GM-CSF-differentiated pro-inflammatory macrophages into alternatively activated phagocytic M2 like macrophages (M2(SP)) through direct activation of the PI3K/Akt/mTOR/S6kinase pathway and induction of Arginase-1, CD163, and CD206, all of which were nullified by pretreatment with the neurokinin-1 receptor (NK-1R) antagonist RP67580 and specific signaling pathway inhibitors...
August 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28817687/morphologic-phenotypic-and-transcriptomic-characterization-of-classically-and-alternatively-activated-canine-blood-derived-macrophages-in-vitro
#14
Franziska Heinrich, Annika Lehmbecker, Barbara B Raddatz, Kristel Kegler, Andrea Tipold, Veronika M Stein, Arno Kalkuhl, Ulrich Deschl, Wolfgang Baumgärtner, Reiner Ulrich, Ingo Spitzbarth
Macrophages are a heterogeneous cell population playing a pivotal role in tissue homeostasis and inflammation, and their phenotype strongly depends on the micromilieu. Despite its increasing importance as a translational animal model for human diseases, there is a considerable gap of knowledge with respect to macrophage polarization in dogs. The present study comprehensively investigated the morphologic, phenotypic, and transcriptomic characteristics of unstimulated (M0), M1- (GM-CSF, LPS, IFNγ-stimulated) and M2- (M-CSF, IL-4-stimulated)-polarized canine blood-derived macrophages in vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28815242/-investigation-of-the-effect-of-nuclear-factor-%C3%AE%C2%BAb-on-inflammatory-cell-recruitment-phenotype-of-oral-cancer-associated-macrophage
#15
Xiao-Tian Zhou, Dong Chen, Zhen-Ning Jin, Ke Huang, Jie Lin, Yi Men, Chun-Jie Li
PURPOSE: To explore the ability of nuclear factor κB (NFκB) in sustaining inflammatory cell recruitment phenotype of oral cancer associated macrophages, by using NFκB inhibitor(-Bay11-7082). METHODS: By primary culture, murine macrophages were harvested. Cal27 conditioned medium (CM) and Bay11-7082 were applied for stimulation of the macrophages. RT-PCR and ELISA were used for detecting the inflammatory cell recruitment related chemotactic factors. GraphPadPrism5 was used for statistical analysis...
April 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://www.readbyqxmd.com/read/28811578/an-epithelial-to-mesenchymal-transition-inducing-potential-of-granulocyte-macrophage-colony-stimulating-factor-in-colon-cancer
#16
Yaqiong Chen, Zhi Zhao, Yu Chen, Zhonglin Lv, Xin Ding, Renxi Wang, He Xiao, Chunmei Hou, Beifen Shen, Jiannan Feng, Renfeng Guo, Yan Li, Hui Peng, Gencheng Han, Guojiang Chen
Growing evidence shows that granulocyte macrophage colony-stimulating factor (GM-CSF) has progression-promoting potentials in certain solid tumors, which is largely attributed to the immunomodulatory function of this cytokine in tumor niches. However, little is known about the effect of GM-CSF on cancer cells. Herein, we show that chronic exposure of colon cancer cells to GM-CSF, which harbor its receptor, leads to occurrence of epithelial to mesenchymal transition (EMT), in time and dose-dependent manners...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28807497/characterisation-of-the-porcine-cytokines-which-activate-the-cd131%C3%AE-c-common-sub-unit-for-potential-immune-augmentation
#17
G Stephenson, K R Morris, T E O'Neil, M P Bruce, A D G Strom, A G D Bean
Early acting cytokines and growth factors such as those of the CD131 βc subunit, may offer an alternative method to the current use of antibiotics and chemicals such as anthelmintics in maintaining Porcine (Po) health. Thus far, the recombinant Po (rPo) Granulocyte-macrophage colony-stimulating factor (GM-CSF), rPo interleukin-3 (IL-3) and rPo interleukin-5 (IL-5) proteins have been identified and cloned and the biological activity of each cytokine has been confirmed in vitro, however, in vivo immune system regulation and hematopoietic stem cell (HSC) augmentation are regulated by numerous cytokines and cellular signals within the bone marrow (BM) niche...
August 11, 2017: Cytokine
https://www.readbyqxmd.com/read/28800924/the-influence-of-macrophage-growth-factors-on-theiler-s-murine-encephalomyelitis-virus-tmev-infection-and-activation-of-macrophages
#18
Karin M Schneider, Neva B Watson, Scott B Minchenberg, Paul T Massa
Macrophages are common targets for infection and innate immune activation by many pathogenic viruses including the neurotropic Theiler's Murine Encephalomyelitis Virus (TMEV). As both infection and innate activation of macrophages are key determinants of viral pathogenesis especially in the central nervous system (CNS), an analysis of macrophage growth factors on these events was performed. C3H mouse bone-marrow cells were differentiated in culture using either recombinant macrophage colony stimulating factor (M-CSF) or granulocyte-macrophage colony-stimulating factor (GM-CSF), inoculated with TMEV (BeAn) and analyzed at various times thereafter...
August 8, 2017: Cytokine
https://www.readbyqxmd.com/read/28797844/pd-1-pd-l1-blockade-enhances-the-efficacy-of-sa-gm-csf-surface-modified-tumor-vaccine-in-prostate-cancer
#19
Xiaojun Shi, Xinji Zhang, Jinlong Li, Hongfan Zhao, Lijun Mo, Xianghua Shi, Zhiming Hu, Jimin Gao, Wanlong Tan
Program death receptor-1 (PD-1)/program death ligand 1 (PD-L1) signaling plays an important role in tumor adaptive immune resistance. The streptavidin-granulocyte-macrophage colony stimulating factor (SA-GM-CSF) surface-modified tumor cells vaccine developed through our novel protein-anchor technology could significantly promote the activation of dendritic cells. Although GM-CSF vaccine could significantly increase the number of tumor-specific CD8(+)T-cells, the majority of these CD8(+)T-cells expressed PD-1...
October 10, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28782519/identification-of-novel-alk2-inhibitors-and-their-effect-on-cancer-cells
#20
Minsung Kim, Okran Choi, Suhkneung Pyo, Sang Un Choi, Chi Hoon Park
Bone morphogenetic protein 9 (BMP9), a member of the TGF-β superfamily, is considered a regulator of glucose homeostasis as well as a neuronal differentiation factor. BMP9 induces phosphorylation of Smad1/5 through activin receptor-like kinase 1 and 2 (ALK1 and ALK2). Recently, many studies have shown that BMP9 contributes to tumorigenesis, and aberrant ALK2 expression is involved in many diseases. To investigate the role of BMP9-ALK2 signaling in cancer cells, we used TF-1 cells that require granulocyte-macrophage colony-stimulating factor (GM-CSF) for cell proliferation...
August 4, 2017: Biochemical and Biophysical Research Communications
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