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https://www.readbyqxmd.com/read/28645193/irf6-regulates-alternative-activation-by-suppressing-ppar%C3%AE-in-male-murine-macrophages
#1
Chuan Li, Wei Ying, Zheping Huang, Tyler Brehm, Andrew Morin, Anthony T Vella, Beiyan Zhou
Aberrant pro-inflammatory and suppressed anti-inflammatory (alternative) macrophage activation underlies the chronic inflammation associated with obesity and other metabolic disorders. This study demonstrates a novel role for Interferon Regulatory Factor 6 (IRF6) in regulating macrophage alternative activation (M2) by suppressing peroxisome proliferator-activated receptor-γ (PPARγ) expression, a critical regulator of alternative macrophage polarization. The data demonstrate suppression of IRF6 in both M2 macrophages and obese adipose tissue macrophages (ATMs)...
June 22, 2017: Endocrinology
https://www.readbyqxmd.com/read/28637996/the-localization-of-calcitonin-gene-related-peptide-in-the-human-trigeminal-ganglion-and-masseter-muscle
#2
Yuri Azuma, Iwao Sato
The localization of calcitonin gene-related peptide (CGRP) is similar to that of a neurotransmitter which indicates masticatory muscle pain in the area of the masseter fascia. CGRP is released from the trigeminal ganglion (TG). The aim of this study was to analyze the distribution of CGRP in the fascia of the masseter muscle (FMM) and TG in a morphometric manner, with respect to the location and density of CGRP-immunopositive reaction fiber (CGRP-IRF). A higher number of the CGRP-IRF were mainly found located around elongated blood vessels and small nerves on the origin side of the middle zone FMM in the O group (presented with occlusion)...
2017: Okajimas Folia Anatomica Japonica
https://www.readbyqxmd.com/read/28626239/irfs-as-competing-pioneers-in-t-cell-differentiation
#3
Andrea Kröger
No abstract text is available yet for this article.
June 19, 2017: Cellular & Molecular Immunology
https://www.readbyqxmd.com/read/28626217/irf8-regulates-the-progression-of-myeloproliferative-neoplasm-mpn-like-syndrome-via-mertk-signaling-in-zebrafish
#4
F Zhao, Y Shi, Y Huang, Y Zhan, L Zhou, Y Li, Y Wan, H Li, H Huang, H Ruan, L Luo, L Li
Interferon regulatory factor (IRF)-8 is a critical transcription factor involved in the pathogenesis of myeloid neoplasia. However, the underlying mechanisms in vivo are not well known. Investigation of irf8 mutant zebrafish in this study indicated that Irf8 is evolutionarily conserved as an essential neoplastic suppressor through tight control of the proliferation and longevity of myeloid cells. Surviving irf8 mutants quickly developed a myeloproliferative neoplasm (MPN)-like disease with enhanced output of the myeloid precursors, which recurred after transplantation...
June 19, 2017: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/28624443/inhibitory-effect-of-trans-caryophyllene-tc-on-leukocyte-endothelial-attachment
#5
Zhen Zhang, Chunfeng Yang, Xinlun Dai, Yu Ao, Yumei Li
trans-Caryophyllene (TC) is a major component found in the essential oils of many spices and foods/medicinal plants. It is a natural sesquiterpene and has been the subject of numerous studies. However, the effects of TC on vascular inflammation remain unknown. In this study, we reported that TC treatment in human umbilical vein endothelial cells (HUVECs) prevented attachment of monocytic leukemia cell line THP-1 cells to endothelial cells. In addition, in vivo results indicate that TC inhibited macrophage infiltration to the aortic surface and reduced total serum levels of cholesterol and triglycerides...
June 14, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28620129/up-regulation-of-irf-3-expression-through-gata-1-acetylation-by-histone-deacetylase-inhibitor-in-lung-adenocarcinoma-a549-cells
#6
Lu-Lu Wang, Lan-Bo Zhou, Jin Shu, Nan-Nan Li, Hui-Wen Zhang, Rui Jin, Li-Li Zhuang, Guo-Ping Zhou
Interferon regulatory factor 3 (IRF-3) is an important transcription factor for interferon genes. Although its functional activation by viral infection has been widely explicated, the regulatory mechanism of IRF-3 gene expression in cancer cells is poorly understood. In this study, we demonstrated treatment of lung adenocarcinoma A549 cells with trichostatin A (TSA) and valproic acid (VPA), two different classes of histone deacetylase inhibitors, strongly stimulated IRF-3 gene expression. Truncated and mutated IRF-3 promoter indicated that a specific GATA-1 element was responsible for TSA-induced activation of IRF-3 promoter...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28615266/antitumor-effects-of-epidrug-ifnalpha%C3%A2-combination-driven-by-modulated-gene-signatures-in-both-colorectal-cancer-and-dendritic-cells
#7
Alessandra Fragale, Giulia Romagnoli, Valerio Licursi, Maria Buoncervello, Giorgia Del Vecchio, Caterina Giuliani, Stefania Parlato, Celeste Leone, Marta De Angelis, Irene Canini, Elena Toschi, Filippo Belardelli, Rodolfo Negri, Imerio Capone, Carlo Presutti, Lucia Gabriele
Colorectal cancer (CRC) results from progressive accumulation of genetic and epigenetic alterations. IFN signaling defects play an important role in the carcinogenesis process, in which the inability of IFN transcription regulatory factors (IRFs) to access regulatory sequences in IFN-stimulated genes (ISGs) in tumors and in immune cells may be pivotal. We reported that low-dose combination of two FDA-approved epidrugs, azacytidine (A) and romidepsin (R), with IFNa2 (ARI) hampers the aggressiveness of both CRC metastatic and stem cells in vivo and triggers immunogenic cell death signals that stimulate dendritic cell (DC) function...
June 14, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28612555/-bone-morphogenetic-proteins-from-ct26-regulate-the-expression-of-pd-l1-in-murine-dendritic-cells-and-macrophages
#8
Mao-Yuan Zhao, Yu-Yi Wang, Chi Du, Feng Luo
OBJECTIVES: To analyze the influence of bone morphogenetic proteins (BMPs) from CT26 on PD-L1 of dendritic cells and macrophages. METHODS: In vivo, we respectively inoculated CT26 colon cancer cells subcutaneously and intraperitoneally to BALB/c mice.The mice were randomly assigned to three groups and treated with normal saline; BMPs inhibitor LDN193189; BMPs inhibitor LDN193189 combined with paclitaxel, respectively. The treatments started on the eighth day after inoculating, when the tumor volume reached 150 mm(3) or the abdominal circumference was greater than 6 cm...
January 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28601748/development-of-thoracic-injury-risk-functions-for-the-thor-atd
#9
Gerald S Poplin, Timothy L McMurry, Jason L Forman, Joseph Ash, Daniel P Parent, Matthew J Craig, Eric Song, Richard Kent, Greg Shaw, Jeff Crandall
The Test Device for Human Occupant Restraint (THOR) 50th percentile male anthropomorphic test device (ATD) aims to improve the ability to predict the risk of chest injury to restrained automobile occupants by measuring dynamic chest deflection at multiple locations. This research aimed to describe the methods for developing a thoracic injury risk function (IRF) using the multi-point chest deflection metrics from the 50th percentile male THOR Metric ATD with the SD-3 shoulder and associating to post-mortem human subjects (PMHS) outcomes that were matched on identical frontal and frontal-oblique impact sled testing conditions...
June 8, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28598427/different-populations-of-cd11b-dendritic-cells-drive-th2-responses-in-the-small-intestine-and-colon
#10
Johannes U Mayer, Mimoza Demiri, William W Agace, Andrew S MacDonald, Marcus Svensson-Frej, Simon W Milling
T-helper 2 (Th2) cell responses defend against parasites. Although dendritic cells (DCs) are vital for the induction of T-cell responses, the DC subpopulations that induce Th2 cells in the intestine are unidentified. Here we show that intestinal Th2 responses against Trichuris muris worms and Schistosoma mansoni eggs do not develop in mice with IRF-4-deficient DCs (IRF-4(f/f) CD11c-cre). Adoptive transfer of conventional DCs, in particular CD11b-expressing DCs from the intestine, is sufficient to prime S. mansoni-specific Th2 responses...
June 9, 2017: Nature Communications
https://www.readbyqxmd.com/read/28596658/usefulness-of-reticulocyte-parameters-for-diagnosis-of-hereditary-spherocytosis-in-children
#11
Olga Ciepiela, Anna Adamowicz-Salach, Andżelika Radgowska, Katarzyna Żbikowska, Iwona Kotuła
Innovations in laboratory equipment have enabled a widening of the spectrum of hematological parameters obtained from single measurements of peripheral blood samples, including reticulocyte parameters. The usefulness of reticulocytes indices to confirm the diagnosis of pediatric anemia was analyzed in this study. The study group consisted of 163 children, aged 1 month-17 years, with anemia. Complete blood count extended with an analysis of reticulocyte parameters were measured using a Beckman Coulter LH 750...
June 2017: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/28596286/one-year-outcome-of-intravitreal-ziv-aflibercept-therapy-for-non-responsive-neovascular-age-related-macular-degeneration
#12
Imoro Zeba Braimah, Komal Agarwal, Ahmad Mansour, Jay Chhablani
AIM: To evaluate 12-month outcome of intravitreal ziv-aflibercept (IVZ) therapy in eyes with neovascular age-related macular degeneration (nAMD) that are non-responsive to bevacizumab and ranibizumab. METHODS: This retrospective study included 16 eyes (14 patients) with nAMD who were on prior treatment with bevacizumab and ranibizumab and were treated with as-needed IVZ (1.25 mg/0.05 mL) for 12 months. The primary outcome measure was the mean change in best corrected visual acuity (BCVA) and secondary outcome measures included mean change in central macular thickness (CMT), retinal pigment epithelial detachment (RPED) heights, longest treatment free interval, presence of subretinal fluid (SRF) and intraretinal fluid (IRF) and adverse events...
June 8, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28582454/insights-on-the-mechanism-of-action-of-immunostimulants-in-relation-to-their-pharmacological-potency-the-effects-of-imidazoquinolines-on-tlr8
#13
Carlos Kubli-Garfias, Ricardo Vázquez-Ramírez, Cynthia Trejo-Muñoz, Arturo Berber
Imidazoquinolines are powerful immunostimulants (IMMS) that function through Toll-like receptors, particularly TLR7 and TLR8. In addition to enhancing the immune response, IMMS also function as antineoplastic drugs and vaccine adjuvants. These small compounds display almost the same molecular structure, except in some cases in which atom in position 1 varies and changes the imidazole characteristics. A variable acyclic side chain is also always attached at atom in position 2, while another chain may be attached at atom in position 1...
2017: PloS One
https://www.readbyqxmd.com/read/28580725/effects-of-acute-postacute-continuity-on-community-discharge-and-30-day-rehospitalization-following-inpatient-rehabilitation
#14
James E Graham, Janet Prvu Bettger, Addie Middleton, Heidi Spratt, Gulshan Sharma, Kenneth J Ottenbacher
OBJECTIVE: To examine the effects of facility-level acute-postacute continuity on probability of community discharge and 30-day rehospitalization following inpatient rehabilitation. DATA SOURCES: We used national Medicare enrollment, claims, and assessment data to study 541,097 patients discharged from 1,156 inpatient rehabilitation facilities (IRFs) in 2010-2011. STUDY DESIGN: We calculated facility-level continuity as the percentages of an IRF's patients admitted from each contributing acute care hospital...
June 5, 2017: Health Services Research
https://www.readbyqxmd.com/read/28579954/linear-parameter-varying-identification-of-dynamic-joint-stiffness-during-time-varying-voluntary-contractions
#15
Mahsa A Golkar, Ehsan Sobhani Tehrani, Robert E Kearney
Dynamic joint stiffness is a dynamic, nonlinear relationship between the position of a joint and the torque acting about it, which can be used to describe the biomechanics of the joint and associated limb(s). This paper models and quantifies changes in ankle dynamic stiffness and its individual elements, intrinsic and reflex stiffness, in healthy human subjects during isometric, time-varying (TV) contractions of the ankle plantarflexor muscles. A subspace, linear parameter varying, parallel-cascade (LPV-PC) algorithm was used to identify the model from measured input position perturbations and output torque data using voluntary torque as the LPV scheduling variable (SV)...
2017: Frontiers in Computational Neuroscience
https://www.readbyqxmd.com/read/28567448/type-i-interferon-responses-drive-intrahepatic-t-cells-to-promote-metabolic-syndrome
#16
Magar Ghazarian, Xavier S Revelo, Mark K Nøhr, Helen Luck, Kejing Zeng, Helena Lei, Sue Tsai, Stephanie A Schroer, Yoo Jin Park, Melissa Hui Yen Chng, Lei Shen, June Ann D'Angelo, Peter Horton, William C Chapman, Diane Brockmeier, Minna Woo, Edgar G Engleman, Oyedele Adeyi, Naoto Hirano, Tianru Jin, Adam J Gehring, Shawn Winer, Daniel A Winer
Obesity-related insulin resistance is driven by low-grade chronic inflammation of metabolic tissues. In the liver, non-alcoholic fatty liver disease (NAFLD) is associated with hepatic insulin resistance and systemic glucose dysregulation. However, the immunological factors supporting these processes are poorly understood. We found that the liver accumulates pathogenic CD8+ T cell subsets which control hepatic insulin sensitivity and gluconeogenesis during diet-induced obesity in mice. In a cohort of human patients, CD8+ T cells represent a dominant intrahepatic immune cell population which links to glucose dysregulation...
April 21, 2017: Science Immunology
https://www.readbyqxmd.com/read/28566766/identification-of-a-small-molecule-that-primes-the-type-i-interferon-response-to-cytosolic-dna
#17
Samira Khiar, Marianne Lucas-Hourani, Sébastien Nisole, Nikaïa Smith, Olivier Helynck, Maryline Bourgine, Claude Ruffié, Jean-Philippe Herbeuval, Hélène Munier-Lehmann, Frédéric Tangy, Pierre-Olivier Vidalain
The type I interferon response plays a pivotal role in host defense against infectious agents and tumors, and promising therapeutic approaches rely on small molecules designed to boost this system. To identify such compounds, we developed a high-throughput screening assay based on HEK-293 cells expressing luciferase under the control of Interferon-Stimulated Response Elements (ISRE). An original library of 10,000 synthetic compounds was screened, and we identified a series of 1H-benzimidazole-4-carboxamide compounds inducing the ISRE promoter sequence, specific cellular Interferon-Stimulated Genes (ISGs), and the phosphorylation of Interferon Regulatory Factor (IRF) 3...
May 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28566697/down-regulated-gata-1-up-regulates-interferon-regulatory-factor-3-in-lung-adenocarcinoma
#18
Lu-Lu Wang, Zheng-Sen Chen, Wen-Di Zhou, Jin Shu, Xiao-Hua Wang, Rui Jin, Li-Li Zhuang, Mir Alireza Hoda, Hao Zhang, Guo-Ping Zhou
Interferon regulatory factor 3 (IRF-3) is widely known for its prompt response against viral infection by activating the interferon system. We previously reported that E2F1, Sp1 and Sp3 regulated transcriptional activity of IRF-3. Recently, different expression patterns of IRF-3 were found in lung cancer, leading to the alternation of the immunomodulatory function in tumorigenesis. However, the mechanism of transcriptional regulation of IRF-3 in lung cancer has not been extensively studied. Here, we investigated the characterization of IRF-3 promoter and found that GATA-1 bound to a specific domain of IRF-3 promoter in vitro and in vivo...
May 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28564605/a-tlr3-specific-adjuvant-relieves-innate-resistance-to-pd-l1-blockade-without-cytokine-toxicity-in-tumor-vaccine-immunotherapy
#19
Yohei Takeda, Keisuke Kataoka, Junya Yamagishi, Seishi Ogawa, Tsukasa Seya, Misako Matsumoto
Cancer patients having anti-programmed cell death-1 (PD-1)/PD ligand 1 (L1)-unresponsive tumors may benefit from advanced immunotherapy. Double-stranded RNA triggers dendritic cell (DC) maturation to cross-prime antigen-specific cytotoxic T lymphocytes (CTLs) via Toll-like receptor 3 (TLR3). The TLR3-specific RNA agonist, ARNAX, can induce anti-tumor CTLs without systemic cytokine/interferon (IFN) production. Here, we have developed a safe vaccine adjuvant for cancer that effectively implements anti-PD-L1 therapy...
May 30, 2017: Cell Reports
https://www.readbyqxmd.com/read/28562332/irf5-is-associated-with-adverse-postoperative-prognosis-of-patients-with-non-metastatic-clear-cell-renal-cell-carcinoma
#20
Qi Bai, Li Liu, Yu Xia, Jiajun Wang, Wei Xi, Yang Qu, Ying Xiong, Qilai Long, Jiejie Xu, Jianming Guo
BACKGROUND: IRF5 is one member of IRFs family, and is critical for host immunity and cell response. In the present study, we sought to search the clinical and prognostic value of IFR5 in patients with non-metastatic ccRCC. RESULTS: IRF5 proved to be an adverse independent prognostic factor for overall survival (p < 0.001) and recurrence free survival (p = 0.002). The newly built nomograms could give better prediction for overall survival and recurrence free survival in ccRCC patients...
May 11, 2017: Oncotarget
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