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Cytokine dynamics

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https://www.readbyqxmd.com/read/28632555/changes-in-cytokines-sensory-tests-and-self-reported-pain-levels-after-manual-treatment-of-low-back-pain
#1
Brian F Degenhardt, Jane C Johnson, Christian Fossum, Chad T Andicochea, Melissa K Stuart
STUDY DESIGN: Unbalanced 3-factor design with repeated measures on 1 factor. OBJECTIVE: To determine the effect of manual treatment (MT) on cytokine and pain sensations in those with and without low back pain (LBP). SUMMARY OF BACKGROUND DATA: Evidence suggests that MT reduces LBP but by unknown mechanisms. Certain cytokines have been elevated in patients with LBP and may be affected by MT. METHODS: Participants aged 20-60 years with chronic LBP or without LBP were recruited and randomly assigned to MT, sham ultrasound treatment, or no treatment groups...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28630089/dynamic-balance-between-master-transcription-factors-determines-the-fates-and-functions-of-cd4-t-cell-and-innate-lymphoid-cell-subsets
#2
REVIEW
Difeng Fang, Jinfang Zhu
CD4 T cells, including T regulatory cells (Treg cells) and effector T helper cells (Th cells), and recently identified innate lymphoid cells (ILCs) play important roles in host defense and inflammation. Both CD4 T cells and ILCs can be classified into distinct lineages based on their functions and the expression of lineage-specific genes, including those encoding effector cytokines, cell surface markers, and key transcription factors. It was first recognized that each lineage expresses a specific master transcription factor and the expression of these factors is mutually exclusive because of cross-regulation among these factors...
June 19, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28628889/the-innate-immune-response-to-lower-respiratory-tract-e-coli-infection-and-the-role-of-the-ccl2-ccr2-axis-in-neonatal-mice
#3
Sharon A McGrath-Morrow, Roland Ndeh, Joseph M Collaco, Amy K Poupore, Dustin Dikeman, Qiong Zhong, Benjamin D Singer, Franco D'Alessio, Alan Scott
Neonates have greater morbidity/mortality from lower respiratory tract infections (LRTI) compared to older children. Lack of conditioning of the pulmonary immune system due to limited environmental exposures and/or infectious challenges likely contributes to the increase susceptibility in the neonate. In this study, we sought to gain insights into the nature and dynamics of the neonatal pulmonary immune response to LRTI using a murine model. METHODS: Wildtype (WT) and Ccr2(-/-) C57BL/6 neonatal and juvenile mice received E...
June 16, 2017: Cytokine
https://www.readbyqxmd.com/read/28627288/biocompatibility-of-filomicelles-prepared-from-poly-ethylene-glycol-polylactide-diblock-copolymers-as-potential-drug-carrier
#4
Xin Shen, Xue Liu, Rongye Li, Peng Yun, Chenglong Li, Feng Su, Suming Li
A series of poly(ethylene glycol)-polylactide (PEG-PLA) diblock copolymers were synthesized by ring-opening polymerization of L-lactide using monomethoxy PEG as macroinitiator and zinc lactate as catalyst. Filomicelles were prepared from the resulting copolymers by co-solvent evaporation method. The biocompatibility of the various filomicelles was evaluated with the aim of assessing their potential as drug carriers. Various aspects of biocompatibility were considered, including agar diffusion test, MTT assay, release of cytokines, hemolytic test, dynamic clotting time, protein adsorption in vitro, and zebrafish embryonic compatibility in vivo...
June 17, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28623743/repeated-measurements-of-serum-concentrations-of-tnf-alpha-interleukin-6-and-interleukin-10-in-the-evaluation-of-internal-carotid-artery-stenosis-progression
#5
Przemyslaw Puz, Anetta Lasek-Bal
BACKGROUND AND AIMS: The inflammatory process (with TNFα, interleukin-6 and interleukin-10 involvement) plays a key role in the development, progression and destabilization of atherosclerotic plaques. The aim of this study was to assess the importance of double-checked measurements of TNFα, interleukin-6 (IL-6) and interleukin-10 (Il-10) serum levels in patients with internal carotid artery (ICA) stenosis to determine the dynamics of changes in the stenosis degree and in the ultrasound plaque morphology...
June 3, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28621526/orthogonal-mass-spectrometry-based-footprinting-for-epitope-mapping-and-structural-characterization-the-il-6-receptor-upon-binding-of-protein-therapeutics
#6
Ke Sherry Li, Guodong Chen, Jingjie Mo, Richard Y-C Huang, Ekaterina G Deyanova, Brett R Beno, Steve O'Neil, Adrienne A Tymiak, Michael L Gross
Higher order structure (HOS) is a crucial determinant for the biological functions and quality attributes of protein therapeutics. Mass spectrometry (MS)-based protein footprinting approaches play an important role in elucidating the relationship between protein biophysical properties and structure. Here, we describe the use of a combined method including hydrogen-deuterium exchange (HDX), fast photochemical oxidation of proteins (FPOP) and site-specific carboxyl group footprinting to investigate the HOS of protein and protein complexes...
June 16, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28620387/notch-regulates-macrophage-mediated-inflammation-in-diabetic-wound-healing
#7
Andrew S Kimball, Amrita D Joshi, Anna E Boniakowski, Matthew Schaller, Jooho Chung, Ronald Allen, Jennifer Bermick, William F Carson, Peter K Henke, Ivan Maillard, Steve L Kunkel, Katherine A Gallagher
Macrophages are essential immune cells necessary for regulated inflammation during wound healing. Recent studies have identified that Notch plays a role in macrophage-mediated inflammation. Thus, we investigated the role of Notch signaling on wound macrophage phenotype and function during normal and diabetic wound healing. We found that Notch receptor and ligand expression are dynamic in wound macrophages during normal healing. Mice with a myeloid-specific Notch signaling defect (DNMAML(floxed)Lyz2(Cre+) ) demonstrated delayed early healing (days 1-3) and wound macrophages had decreased inflammatory gene expression...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28614795/a-3d-microfluidic-model-for-preclinical-evaluation-of-tcr-engineered-t-cells-against-solid-tumors
#8
Andrea Pavesi, Anthony T Tan, Sarene Koh, Adeline Chia, Marta Colombo, Emanuele Antonecchia, Carlo Miccolis, Erica Ceccarello, Giulia Adriani, Manuela T Raimondi, Roger D Kamm, Antonio Bertoletti
The tumor microenvironment imposes physical and functional constraints on the antitumor efficacy of adoptive T cell immunotherapy. Preclinical testing of different T cell preparations can help in the selection of efficient immune therapies, but in vivo models are expensive and cumbersome to develop, while classical in vitro 2D models cannot recapitulate the spatiotemporal dynamics experienced by T cells targeting cancer. Here, we describe an easily customizable 3D model, in which the tumor microenvironment conditions are modulated and the functionality of different T cell preparations is tested...
June 15, 2017: JCI Insight
https://www.readbyqxmd.com/read/28614389/immunological-dynamics-associated-with-rapid-virological-response-during-the-early-phase-of-type-i-interferon-therapy-in-patients-with-chronic-hepatitis-c
#9
Jae-Won Lee, Won Kim, Eun-Kyung Kwon, Yuri Kim, Hyun Mu Shin, Dong-Hyun Kim, Chan-Ki Min, Ji-Yeob Choi, Won-Woo Lee, Myung-Sik Choi, Byeong Gwan Kim, Nam-Hyuk Cho
Type I interferons (IFNs) play an important role in antiviral immunity as well as immunopathogenesis of diverse chronic viral infections. However, the precise mechanisms regulating the multifaceted effects of type I IFNs on the immune system and pathological inflammation still remain unclear. In order to assess the immunological dynamics associated with rapid viral clearance in chronic hepatitis C patients during the acute phase of type I IFN therapy, we analyzed multiple parameters of virological and immunological responses in a cohort of 59 Korean hepatitis C patients who received pegylated IFN-α and ribavirin (IFN/RBV)...
2017: PloS One
https://www.readbyqxmd.com/read/28609824/12-lipoxygenase-inhibitor-improves-functions-of-cytokine-treated-human-islets-and-type-2-diabetic-islets
#10
Kaiwen Ma, So Hyun Park, Glenn Lindsey, Jackson Laura, Barot Tatvam, Jessica R Weaver, David A Taylor-Fishwick, Diane K Luci, David J Maloney, Raghavendra G Mirmira, Yumi Imai, Jerry L Nadler
Context: 12-lipoxygenase (12-LO) pathway produces pro-inflammatory metabolites and its activation is implicated in islet inflammation associated with type 1 and type 2 diabetes (T1D, T2D). Objectives: We aimed to test the efficacy of ML355, a new highly selective small molecule inhibitor of 12-LO, for the preservation of islet function. Design: Human islets from non-diabetic donors were incubated with the mixture of TNFα, interluekin-1β, and interferon-γ to model islet inflammation...
May 10, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28606322/peripheral-and-placental-immune-responses-in-goats-after-primoinfection-with-neospora-caninum-at-early-mid-and-late-gestation
#11
Wagnner José Nascimento Porto, Pilar Horcajo, Pomy de Cássia Peixoto Kim, Javier Regidor-Cerrillo, Elton Amorim Romão, Gema Álvarez-García, Emanuela Polimeni de Mesquita, Rinaldo Aparecido Mota, Luis Miguel Ortega-Mora
Neospora caninum can cause reproductive failure in goats. However, the pathogenesis of neosporosis in this domestic species remains largely unknown. We recently demonstrated that the outcome of experimental infection by N. caninum in pregnant goats is highly dependent on the time of gestation, during which infection occurs. In the present study, we examined the peripheral and placental immune responses in these groups of goats infected with 10(6) tachyzoites of the Nc-Spain7 isolate at early (G1, at day 40 of gestation, dg), mid (G2, 90 dg) and late (G3, 120 dg) gestation, together with a group of non-infected goats as a control group (G4)...
August 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28596771/regulation-of-t-cell-trafficking-by-enzymatic-synthesis-of-o-glycans
#12
REVIEW
Samuel J Hobbs, Jeffrey C Nolz
Selectins constitute a family of oligosaccharide binding proteins that play critical roles in regulating the trafficking of leukocytes. In T cells, L-selectin (CD62L) controls the capacity for naive and memory T cells to actively survey peripheral lymph nodes, whereas P- and E-selectin capture activated T cells on inflamed vascular endothelium to initiate extravasation into non-lymphoid tissues. The capacity for T cells to interact with all of these selectins is dependent on the enzymatic synthesis of complex O-glycans, and thus, this protein modification plays an indispensable role in regulating the distribution and homing of both naive and previously activated T cells in vivo...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28595931/aripiprazole-induced-adverse-metabolic-alterations-in-polyi-c-neurodevelopmental-model-of-schizophrenia-in-rats
#13
Katerina Horska, Jana Ruda-Kucerova, Eva Drazanova, Michal Karpisek, Regina Demlova, Tomas Kasparek, Hana Kotolova
Schizophrenia appears to be linked to higher incidence of metabolic syndrome even in the absence of antipsychotic treatment. Atypical antipsychotics substantially differ in their propensity to induce metabolic alterations. Aripiprazole is considered to represent an antipsychotic drug with low risk of metabolic syndrome development. The aim of this study was to evaluate metabolic phenotype of neurodevelopmental polyI:C rat model and assess metabolic effects of chronic aripiprazole treatment with regard to complex neuroendocrine regulations of energy homeostasis...
June 13, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28595838/deciphering-the-loop-of-epithelial-mesenchymal-transition-inflammatory-cytokines-and-cancer-immunoediting
#14
REVIEW
Antonella Sistigu, Francesca Di Modugno, Gwenola Manic, Paola Nisticò
Tumorigenesis and tumor progression relies on the dialectics between tumor cells, the extracellular matrix and its remodelling enzymes, neighbouring cells and soluble cues. The host immune response is crucial in eliminating or promoting tumor growth and the reciprocal coevolution of tumor and immune cells, during disease progression and in response to therapy, shapes tumor fate by activating innate and adaptive mechanisms. The phenotypic plasticity is a common feature of epithelial and immune cells and epithelial-mesenchymal transition (EMT) is a dynamic process, governed by microenvironmental stimuli, critical in tumor cell shaping, increased tumor cell heterogeneity and stemness...
May 31, 2017: Cytokine & Growth Factor Reviews
https://www.readbyqxmd.com/read/28595079/curcumin-reduces-the-risk-of-chronic-kidney-damage-in-mice-with-nonalcoholic-steatohepatitis-by-modulating-endoplasmic-reticulum-stress-and-mapk-signaling
#15
Mst Rejina Afrin, Somasundaram Arumugam, Md Azizur Rahman, Vengadeshprabhu Karuppagounder, Meilei Harima, Hiroshi Suzuki, Shizuka Miyashita, Kenji Suzuki, Kazuyuki Ueno, Hiroyuki Yoneyama, Kenichi Watanabe
Developing confirmation recommends that in patients with dynamic type of NAFLD, particularly nonalcoholic steatohepatitis (NASH) may have the pathogenic parts in the advancement of kidney damage. In this study we have examined the impact of curcumin on NASH instigated chronic kidney damage (CKD) and the putative mechanisms. To prepare this NASH model, neonatal C57BL/6J male mice were exposed to low-dose streptozotocin (STZ) and were fed high-fat diet (HFD) at the age of 4weeks and continued up to 14weeks, curcumin was given at 100mg/kg dose by oral gavage daily after 10weeks of STZ injection and continued for 4weeks along with HFD feeding...
June 5, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28593730/dynamics-of-cytokine-gene-expression-in-peripheral-blood-mononuclear-cells-of-indigenous-and-exotic-breeds-of-pigs-in-india
#16
Perumalraja Kirthika, Mohammad Ayub Ali, Parthasarathi Behera, Prasant Kumar Subudhi, Thingujam Chaa Tolenkhomba, Jagan Mohanarao Gali
To incorporate immune competence traits in swine breeding programs, association between immune responsiveness and susceptibility to specific infectious diseases must be established. In order to understand the differences in immune competence between indigenous (Zovawk) and exotic (Large White Yorkshire: LWY) pigs reared in India, we carried out a time course expression analysis of immune-regulating key cytokine genes (interleukin (IL)-2, interferon (IFN)-γ, IL-4 and IL-10) in the phytohemagglutinin-P stimulated peripheral blood mononuclear cells (PBMCs)...
June 8, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28591653/a-highly-efficient-human-pluripotent-stem-cell-microglia-model-displays-a-neuronal-co-culture-specific-expression-profile-and-inflammatory-response
#17
Walther Haenseler, Stephen N Sansom, Julian Buchrieser, Sarah E Newey, Craig S Moore, Francesca J Nicholls, Satyan Chintawar, Christian Schnell, Jack P Antel, Nicholas D Allen, M Zameel Cader, Richard Wade-Martins, William S James, Sally A Cowley
Microglia are increasingly implicated in brain pathology, particularly neurodegenerative disease, with many genes implicated in Alzheimer's, Parkinson's, and motor neuron disease expressed in microglia. There is, therefore, a need for authentic, efficient in vitro models to study human microglial pathological mechanisms. Microglia originate from the yolk sac as MYB-independent macrophages, migrating into the developing brain to complete differentiation. Here, we recapitulate microglial ontogeny by highly efficient differentiation of embryonic MYB-independent iPSC-derived macrophages then co-culture them with iPSC-derived cortical neurons...
June 6, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28589353/in-vitro-induced-germinal-center-b-cell-culture-system
#18
Kei Haniuda, Takuya Nojima, Daisuke Kitamura
In germinal centers (GCs), B cells undergo repeated cycles of proliferation and affinity-based selection, and differentiate into memory B cells or long-lived plasma cells. It has been difficult to elucidate regulatory mechanisms for the dynamic GC B cell maturation and differentiation, partly because experimental manipulation of GC B cells has been limited. Here we describe a culture system in which we can induce massive expansion of naive B cells that exhibit GC B cell-like phenotype and acquire abilities to differentiate into memory B cells or bone marrow plasma cells depending on cytokine conditions...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28587802/cytokine-filtration-modulates-pulmonary-metabolism-and-edema-formation-during-ex-vivo-lung-perfusion
#19
Ilker Iskender, Tugba Cosgun, Stephan Arni, Michael Trinkwitz, Stefan Fehlings, Yoshito Yamada, Nikola Cesarovic, Keke Yu, Thomas Frauenfelder, Wolfgang Jungraithmayr, Walter Weder, Ilhan Inci
BACKGROUND: Ex vivo lung perfusion (EVLP) has improved the process of donor lung management. Cytokine accumulation during EVLP has been shown to correlate with worse outcome after lung transplantation. Our objective in this study was to test the safety and efficacy of cytokine filtration during EVLP in a large animal model. METHODS: Pig donor lungs were preserved for 24 hours at 4°C, followed by 12 hours of EVLP, according to the Toronto protocol. The perfusate was continuously run through an absorbent device (CytoSorb) via a veno-venous shunt from the reservoir in the filter group...
May 20, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28585972/plasmonic-nanohole-array-biosensor-for-label-free-and-real-time-analysis-of-live-cell-secretion
#20
Xiaokang Li, Maria Soler, Cenk I Özdemir, Alexander Belushkin, Filiz Yesilköy, Hatice Altug
Cell secretion dynamics plays a central role in physiological and disease processes. Due to its various temporal profiles, it is essential to implement a precise detection scheme for continuous monitoring of secretion in real time. The current fluorescent and colorimetric approaches hinder such applications due to their multiple time-consuming steps, molecular labeling, and especially the 'snapshot' endpoint readouts. Here, we develop a nanoplasmonic biosensor for real-time monitoring of live cell cytokine secretion in a label-free configuration...
June 6, 2017: Lab on a Chip
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