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https://www.readbyqxmd.com/read/29679908/recent-advances-in-colony-stimulating-factor-1-receptor-c-fms-as-an-emerging-target-for-various-therapeutic-implications
#1
REVIEW
Archana Kumari, Om Silakari, Rajesh K Singh
Colony stimulating factor-1 (CSF-1) is one of the most common proinflammatory cytokine responsible for various inflammatory disorders. It has a remarkable role in the development and progression of osteoarthritis, cancer and other autoimmune disease conditions. The CSF-1 acts by binding to the receptor, called colony stimulating factor-1 receptor (CSF-1R) also known as c-FMS resulting in the cascade of signalling pathway causing cell proliferation and differentiation. Interleukin-34 (IL-34), recently identified as another ligand for CSF-IR, is a cytokine protein...
April 18, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29679904/tanshinone-iia-protects-murine-chondrogenic-atdc5-cells-from-lipopolysaccharide-induced-inflammatory-injury-by-down-regulating-microrna-203a
#2
Luan Luan, Zhiyuan Liang
BACKGROUND: Osteoarthritis is the most common bone-joint disease in middle and older people all over the world. Tanshinone IIA (Tan IIA) is the main lipophilic diterpenoid isolated from the root of Salvia miltiorrhiza Bunge (Lamiaceae). This study analyzed the protective effects of Tan IIA on lipopolysaccharide (LPS)-induced murine chondrogenic ATDC5 cell inflammatory injury model. METHODS: Cell viability was assessed using cell counting kit-8 (CCK-8) assay. Cell apoptosis was detected using Annexin V-FITC/PI staining...
April 18, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29679858/anti-inflammatory-effect-of-apo-9-fucoxanthinone-via-inhibition-of-mapks-and-nf-kb-signaling-pathway-in-lps-stimulated-raw-264-7-macrophages-and-zebrafish-model
#3
Eun-A Kim, Seo-Young Kim, Bo-Ram Ye, Junseong Kim, Seok-Chun Ko, Won Woo Lee, Kil-Nam Kim, Il-Whan Choi, Won-Kyo Jung, Soo-Jin Heo
In this study, we confirmed the anti-inflammatory effect of Apo-9-fucoxanthinone (AF) in in vitro RAW 264.7 cells and in vivo zebrafish model. In lipopolysaccharide (LPS)-stimulated zebrafish, AF significantly decreased the production of reactive oxygen species (ROS), nitric oxide (NO) and cell death. In addition, the mRNA expression of inducible nitric oxide synthase (iNOS), suppressed cyclooxygenase-2 (COX-2) and an inflammatory cytokines; IL-1β, TNF-α were shown reduction. And AF significantly inhibited NO production and expression of iNOS in LPS-stimulated RAW 264...
April 18, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29679854/thymol-attenuates-the-worsening-of-atopic-dermatitis-induced-by-staphylococcus-aureus-membrane-vesicles
#4
Hyo Il Kwon, Na Hee Jeong, So Hyun Jun, Joo Hee Son, Shukho Kim, Hyejin Jeon, Sun Chul Kang, Sang Hyun Kim, Je Chul Lee
Staphylococcus aureus membrane vesicles (MVs) aggravate atopic dermatitis (AD) through the delivery of bacterial effector molecules to host cells and the stimulation of inflammatory responses. This study investigated the inhibitory effect of thymol, a phenolic monoterpene found in essential oils derived from plants, on the worsening of AD induced by S. aureus MVs both in vitro and in vivo. The sub-minimal inhibitory concentrations of thymol disrupted S. aureus MVs. Intact S. aureus MVs induced the expression of pro-inflammatory cytokine (interleukin (IL)-1β, IL-6, and tumor necrosis factor-α) and chemokine (IL-8 and monocyte chemoattractant protein-1) genes in cultured keratinocytes, whereas thymol-treated S...
April 18, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29679791/phosphorodiamidate-morpholino-targeting-the-5-untranslated-region-of-the-zikv-rna-inhibits-virus-replication
#5
Waldemar Popik, Atanu Khatua, James E K Hildreth, Benjamin Lee, Donald J Alcendor
BACKGROUND: Zika virus (ZIKV) infection has been associated with microcephaly in infants. Currently there is no treatment or vaccine. Here we explore the use of a morpholino oligonucleotide targeted to the 5' untranslated region (5'-UTR) of the ZIKV RNA to prevent ZIKV replication. METHODS: Morpholino DWK-1 inhibition of ZIKV replication in human glomerular podocytes was examined by qRT-PCR, reduction in ZIKV genome copy number, western blot analysis, immunofluorescence and proinflammatory cytokine gene expression...
April 18, 2018: Virology
https://www.readbyqxmd.com/read/29679733/il-6-trans-signalling-mediates-trabecular-but-not-cortical-bone-loss-after-ovariectomy
#6
Leah Lazzaro, Brett A Tonkin, Ingrid J Poulton, Narelle E McGregor, Walter Ferlin, Natalie A Sims
Bone loss associated with estrogen deficiency occurs due to a high level of bone remodelling, with a greater increase in the level of osteoclast-mediated bone resorption than osteoblast-mediated bone formation. Early studies showed that Interleukin-6 (IL-6) inhibition could prevent the increase in osteoclast numbers associated with ovariectomy. However, IL-6 signals through two possible pathways: classic IL-6 signalling (cis) utilizes a membrane-bound IL-6 receptor (IL-6R), while IL-6 trans-signalling occurs through a soluble IL-6R (sIL-6R)...
April 18, 2018: Bone
https://www.readbyqxmd.com/read/29679702/alamandine-attenuates-sepsis-associated-cardiac-dysfunction-via-inhibiting-mapks-signaling-pathways
#7
Peng Li, Xi-Ru Chen, Fei Xu, Chi Liu, Chang Li, Hui Liu, Hui Wang, Wei Sun, Yan-Hui Sheng, Xiang-Qing Kong
Sepsis-induced myocardial dysfunction represents a major cause of death in intensive care units. Alamandine is an important biologically active peptide in the renin-angiotensin system. The present study evaluated whether alamandine improves cardiac dysfunction, inflammation, and apoptosis, and affects the signaling pathways involved in these events. Experiments were carried out in mice treated with lipopolysaccharide (LPS) or alamandine, and in neonatal rat cardiomyocytes. Alamandine increased the ejection fraction and fractional shortening, both of which were decreased upon LPS infusion in mice...
April 18, 2018: Life Sciences
https://www.readbyqxmd.com/read/29679637/recent-stimulant-use-and-leukocyte-gene-expression-in-methamphetamine-users-with-treated-hiv-infection
#8
Adam W Carrico, Annesa Flentje, Kord Kober, Sulggi Lee, Peter Hunt, Elise D Riley, Steven Shoptaw, R N Elena Flowers, Samantha E Dilworth, Savita Pahwa, Bradley E Aouizerat
Stimulant use may accelerate HIV disease progression through biological and behavioral pathways. However, scant research with treated HIV-positive persons has examined stimulant-associated alterations in pathophysiologic processes relevant to HIV pathogenesis. In a sample of 55 HIV-positive, methamphetamine-using sexual minority men with a viral load less than 200 copies/mL, we conducted RNA sequencing to examine patterns of leukocyte gene expression in participants who had a urine sample that was reactive for stimulants (n = 27) as compared to those who tested non-reactive (n = 28)...
April 18, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29679034/enteric-nervous-system-regulation-of-intestinal-stem-cell-differentiation-and-epithelial-monolayer-function
#9
Marissa Puzan, Sanjin Hosic, Caroline Ghio, Abigail Koppes
The Enteric Nervous System (ENS) is a complex network of neurons and glia, which regulates sensorimotor function throughout the gastroinestinal tract (GI). Here we investigated the role of the ENS and intestinal myofibroblasts in the maintenance of a primary intestinal epithelial barrier through regulation of monolayer permeability, cytokine production, and differentiation of intestinal stem cells. Utilizing a novel, in vitro, transwell-based coculture system, murine small intestinal stem cells were isolated and cultured with ENS neurons and glia or subepithelial myofibroblasts...
April 20, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29678956/local-actin-polymerization-during-endocytic-carrier-formation
#10
REVIEW
Claudia Hinze, Emmanuel Boucrot
Extracellular macromolecules, pathogens and cell surface proteins rely on endocytosis to enter cells. Key steps of endocytic carrier formation are cargo molecule selection, plasma membrane folding and detachment from the cell surface. While dedicated proteins mediate each step, the actin cytoskeleton contributes to all. However, its role can be indirect to the actual molecular events driving endocytosis. Here, we review our understanding of the molecular steps mediating local actin polymerization during the formation of endocytic carriers...
April 20, 2018: Biochemical Society Transactions
https://www.readbyqxmd.com/read/29678944/the-clinical-significance-of-oropharyngeal-cultures-in-young-children-with-cystic-fibrosis
#11
Oded Breuer, Daan Caudri, Lauren Akesson, Sarath Ranganathan, Stephen M Stick, André Schultz
In children with cystic fibrosis (CF) the associations between oropharyngeal swabs (OPS) for detection of Pseudomonas and lung disease has not been evaluated.OPS and bronchoalveolar lavage (BAL) samples were obtained annually in children with CF from 2005 to 2017. OPS test characteristics were calculated using BAL as gold standard. Results were related to lung inflammation (BAL neutrophil elastase, interleukin-8), structural lung disease (chest CT PRAGMA-CF scores), respiratory exacerbations, and future detection of Pseudomonas on BAL...
April 20, 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29678795/a-novel-platform-for-in-vivo-detection-of-cytokine-release-within-discrete-brain-regions
#12
Kaixin Zhang, Michael V Baratta, Guozhen Liu, Matthew G Frank, Nathan R Leslie, Linda R Watkins, Steven F Maier, Mark R Hutchinson, Ewa M Goldys
Mounting evidence indicates that cytokines secreted by innate immune cells in the brain play a central role in regulating neural circuits that subserve mood, cognition, and sickness responses. A major impediment to the study of neuroimmune signaling in healthy and disease states is the absence of tools for in vivo detection of cytokine release in the brain. Here we describe the design and application of a cytokine detection device capable of serial monitoring of local cytokine release in discrete brain regions...
April 17, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29678792/effects-of-dietary-arginine-on-antioxidant-status-and-immunity-involved-in-ampk-no-signaling-pathway-in-juvenile-blunt-snout-bream
#13
Hualiang Liang, Ke Ji, Xianping Ge, Mingchun Ren, Bo Liu, Bingwen Xi, Liangkun Pan
The present study assessed the effects of dietary arginine on antioxidant status and immunity involved in AMPK-NO signaling pathway in juvenile blunt snout bream. Fish were fed six practical diets with graded arginine levels ranging from 0.87% to 2.70% for 8 weeks. The results showed that compared with the control group (0.87% dietary arginine level), significantly higher mRNA levels of adenosine monophosphate activated protein kinase (AMPK) and nitric oxide synthetase (NOS), activities of total nitric oxide synthetase (T-NOS) and nitric oxide synthetase (iNOS), and plasma nitric oxide (NO) contents were observed in fish fed with 1...
April 17, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29678772/minocycline-adjunctive-treatment-to-risperidone-for-negative-symptoms-in-schizophrenia-association-with-pro-inflammatory-cytokine-levels
#14
Lulu Zhang, Hongbo Zheng, Rengrong Wu, Furong Zhu, Thomas R Kosten, Xiang-Yang Zhang, Jingping Zhao
BACKGROUND: We attempted to replicate the efficacy of minocycline, a second-generation tetracycline, as adjunctive therapy for the negative symptoms of schizophrenia, and to investigate its association with pro-inflammatory cytokine levels. METHODS: Seventy-five schizophrenia patients with negative symptoms entered a 3-month, double blind, randomized, placebo-controlled clinical trial. Subjects were assigned low dose (100 mg per day) or high dose minocycline (200 mg per day) or placebo combined with risperidone...
April 17, 2018: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/29678767/targeted-inhibition-of-tumor-survival-metastasis-and-angiogenesis-by-acacia-ferruginea-mediated-regulation-of-vegf-inflammatory-mediators-cytokine-profile-and-inhibition-of-transcription-factor-activation
#15
Kunnathur Murugesan Sakthivel, Chandrasekaran Guruvayoorappan
Acacia ferruginea extract (AFE) was studied for anti-metastasis/-angiogenesis activity against B16F-10 melanoma cells in C57BL/6 mice. In vitro cytotoxicity of AFE was first screened using MTT assay and it was shown to inhibit B16F-10 cells with IC50 value of 52.94 μg/ml. Anti-metastatic activity of AFE in vivo revealed administration of AFE (10 mg/kg.b.wt) in three different regimens has shown reduced metastatic colony formation in lungs and prolonged survival in metastatic tumor-bearing hosts. Biochemical analysis shown that treatment with AFE significantly reduced the lung collagen hydroxyproline, hexosamine, uronic acid, sialic acid and gamma-glutamyl transpeptidase content...
April 17, 2018: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/29678672/genetic-restriction-of-antigen-presentation-dictates-allergic-sensitization-and-disease-in-humanized-mice
#16
Alina Neunkirchner, Bernhard Kratzer, Cordula Köhler, Ursula Smole, Lukas F Mager, Klaus G Schmetterer, Doris Trapin, Victoria Leb-Reichl, Edward Rosloniec, Ronald Naumann, Lukas Kenner, Beatrice Jahn-Schmid, Barbara Bohle, Rudolf Valenta, Winfried F Pickl
BACKGROUND: Immunoglobulin(Ig)E-associated allergies result from misguided immune responses against innocuous antigens. CD4+ T lymphocytes are critical for initiating and perpetuating that process, yet the crucial factors determining whether an individual becomes sensitized towards a given allergen remain largely unknown. OBJECTIVE: To determine the key factors for sensitization and allergy towards a given allergen. METHODS: We here created a novel human T cell receptor(TCR) and human leucocyte antigen (HLA)-DR1 (TCR-DR1) transgenic mouse model of asthma, based on the human-relevant major mugwort (Artemisia vulgaris) pollen allergen Art v 1 to examine the critical factors for sensitization and allergy upon natural allergen exposure via the airways in the absence of systemic priming and adjuvants...
April 5, 2018: EBioMedicine
https://www.readbyqxmd.com/read/29678518/pattern-recognition-receptors-mediate-pro-inflammatory-effects-of-extracellular-mitochondrial-transcription-factor-a-tfam
#17
Stephanie M Schindler, Matthew G Frank, Jessica L Annis, Steven F Maier, Andis Klegeris
Neuroinflammation is a common pathogenic mechanism for a number of neurodegenerative disorders including Alzheimer's and Parkinson's diseases. Microglia, the immune cells of the brain, contribute to the onset and progression of the neuroinflammation observed in these diseases. Microglia become activated and initiate an inflammatory response by interacting with a diverse set of molecules, including the group of endogenous proteins released upon cell damage, termed damage-associated molecular patterns (DAMPs)...
April 17, 2018: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/29678232/type-i-and-type-ii-cytokine-production-of-cd4-t-cells-in-immune-response-biased-dairy-cattle-around-calving
#18
M A Paibomesai, S Sharif, N Karrow, B A Mallard
The peripartum period is a period of high stress, transition and management changes for dairy cows. It is associated with higher incidence of both metabolic and pathogenic disease. Both antibody-(AMIR) and cell-(CMIR) mediated immune responses play a key role in the maintenance of health in mammals protecting against extracellular and intracellular pathogens, respectively. Generally, interferon gamma (IFN-γ) has been associated with CMIR, whereas interleukin 4 (IL-4) has been associated with AMIR bias, and interleukin 17 (IL-17A) is associated with pro-inflammatory...
May 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29678208/glial-interleukin-1%C3%AE-upregulates-neuronal-sodium-channel-1-7-in-trigeminal-ganglion-contributing-to-temporomandibular-joint-inflammatory-hypernociception-in-rats
#19
Peng Zhang, Rui-Yun Bi, Ye-Hua Gan
BACKGROUND: The proinflammatory cytokine interleukin-1β (IL-1β) drives pain by inducing the expression of inflammatory mediators; however, its ability to regulate sodium channel 1.7 (Nav1.7), a key driver of temporomandibular joint (TMJ) hypernociception, remains unknown. IL-1β induces cyclooxygenase-2 (COX-2) and prostaglandin E2 (PGE2). We previously showed that PGE2 upregulated trigeminal ganglionic Nav1.7 expression. Satellite glial cells (SGCs) involve in inflammatory pain through glial cytokines...
April 20, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29678185/the-intrathecal-expression-and-pathogenetic-role-of-th17-cytokines-and-cxcr2-binding-chemokines-in-tick-borne-encephalitis
#20
Sambor Grygorczuk, Renata Świerzbińska, Maciej Kondrusik, Justyna Dunaj, Piotr Czupryna, Anna Moniuszko, Agnieszka Siemieniako, Sławomir Pancewicz
BACKGROUND: Tick-borne encephalitis (TBE) is a clinically variable but potentially severe Flavivirus infection, with the outcome strongly dependent on secondary immunopathology. Neutrophils are present in cerebrospinal fluid (CSF) of TBE patients, but their pathogenetic role remains unknown. In animal models, neutrophils contributed both to the Flavivirus entry into central nervous system (CNS) and to the control of the encephalitis, which we attempted to evaluate in human TBE. METHODS: We analyzed records of 240 patients with TBE presenting as meningitis (n = 110), meningoencephalitis (n = 114) or meningoencephalomyelitis (n = 16) assessing CSF neutrophil count on admission and at follow-up 2 weeks later, and their associations with other laboratory and clinical parameters...
April 20, 2018: Journal of Neuroinflammation
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