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Epigenetics inflammation

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https://www.readbyqxmd.com/read/29786110/multi%C3%A2-layered-prevention-and-treatment-of-chronic-inflammation-organ-fibrosis-and-cancer-associated-with-canonical-wnt-%C3%AE-%C3%A2-catenin-signaling-activation-review
#1
Masaru Katoh
β‑catenin/CTNNB1 is an intracellular scaffold protein that interacts with adhesion molecules (E‑cadherin/CDH1, N‑cadherin/CDH2, VE‑cadherin/CDH5 and α‑catenins), transmembrane‑type mucins (MUC1/CD227 and MUC16/CA125), signaling regulators (APC, AXIN1, AXIN2 and NHERF1/EBP50) and epigenetic or transcriptional regulators (BCL9, BCL9L, CREBBP/CBP, EP300/p300, FOXM1, MED12, SMARCA4/BRG1 and TCF/LEF). Gain‑of‑function CTTNB1 mutations are detected in bladder cancer, colorectal cancer, gastric cancer, liver cancer, lung cancer, pancreatic cancer, prostate cancer and uterine cancer, whereas loss‑of‑function CTNNB1 mutations are also detected in human cancer...
May 17, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29785401/rheumatoid-arthritis-and-mirnas-a-critical-review-through-a-functional-view
#2
REVIEW
Maria Cristina Moran-Moguel, Stefania Petarra-Del Rio, Evangelina E Mayorquin-Galvan, Maria G Zavala-Cerna
Rheumatoid arthritis (RA) is a systemic autoimmune disease with severe joint inflammation and destruction associated with an inflammatory environment. The etiology behind RA remains to be elucidated; most updated concepts include the participation of environmental, proteomic, epigenetic, and genetic factors. Epigenetic is considered the missing link to explain genetic diversification among RA patients. Within epigenetic factors participating in RA, miRNAs are defined as small noncoding molecules with a length of approximately 22 nucleotides, capable of gene expression modulation, either negatively through inhibition of translation and degradation of the mRNA or positively through increasing the translation rate...
2018: Journal of Immunology Research
https://www.readbyqxmd.com/read/29777793/homocysteine-induces-vascular-inflammatory-response-via-smad7-hypermethylation-in-human-umbilical-vein-smooth-muscle-cells
#3
Li-Hua Wei, Nai-Xia Chao, Si Gao, Ya-Ting Yu, Lin Shi, Xin-Bo Ma, Na Liao, Ke Lan, Yu Luo, Zheng-Yi Xie, Yuan-Yuan Li
Homocysteine (Hcy) can induce atherosclerosis through the inflammatory response and DNA methylation disorder. Our recent study has reported a novel epigenetic modified gene related to atherosclerosis -SMAD7. To further understand the pathogenesis of atherosclerosis, the current study was designed to investigate an inflammatory role of Hcy in human umbilical vein smooth muscle cells (HUVSMCs) through interfering with SMAD7 methylation. Using MALDI-TOF MS, we found that Hcy increased DNA methylation levels of SMAD7 promoter in a dose and time-dependent manner in HUVSMCs...
May 16, 2018: Microvascular Research
https://www.readbyqxmd.com/read/29774056/epigenetic-regulation-of-inflammation-in-stroke
#4
REVIEW
Gavin Yong-Quan Ng, Lim Yun-An, Christopher G Sobey, Thameem Dheen, David Yang-Wei Fann, Thiruma V Arumugam
Despite extensive research, treatments for clinical stroke are still limited only to the administration of tissue plasminogen activator and the recent introduction of mechanical thrombectomy, which can be used in only a limited proportion of patients due to time constraints. A plethora of inflammatory events occur during stroke, arising in part due to the body's immune response to brain injury. Neuroinflammation contributes significantly to neuronal cell death and the development of functional impairment and death in stroke patients...
2018: Therapeutic Advances in Neurological Disorders
https://www.readbyqxmd.com/read/29774027/clinical-remission-of-sight-threatening-non-infectious-uveitis-is-characterized-by-an-upregulation-of-peripheral-t-regulatory-cell-polarized-towards-t-bet-and-tigit
#5
Rose M Gilbert, Xiaozhe Zhang, Robert D Sampson, Michael R Ehrenstein, Dao X Nguyen, Mahid Chaudhry, Charles Mein, Nadiya Mahmud, Grazyna Galatowicz, Oren Tomkins-Netzer, Virginia L Calder, Sue Lightman
Background: Non-infectious uveitis can cause chronic relapsing and remitting ocular inflammation, which may require high dose systemic immunosuppression to prevent severe sight loss. It has been classically described as an autoimmune disease, mediated by pro-inflammatory Th1 and Th17 T-cell subsets. Studies suggest that natural immunosuppressive CD4+ CD25+ FoxP3+ T-regulatory cells (Tregs) are involved in resolution of inflammation and may be involved in the maintenance of clinical remission...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29772561/thyroid-cancer-phenotypes-in-relation-to-inflammation-and-autoimmunity
#6
Loredana Pagano, Chiara Mele, Maria Teresa Sama, Marco Zavattaro, Marina Caputo, Lucrezia De Marchi, Samuele Paggi, Flavia Prodam, Gianluca Aimaretti, Paolo Marzullo
Thyroid cancer represents the most frequent endocrine neoplasm and is epidemiologically linked to a growing incidence worldwide, which is only in part explained by the increased detection of small cancers in a preclinical stage. Understanding the molecular pathogenesis of well-differentiated thyroid cancers and poorly-differentiated thyroid cancers has prompted interest into the identification of crucial signaling pathways and molecular derangements related to genetic and epigenetic alterations. Increasing attention has been recently focused on inflammation and immunity as major culprit mechanisms involved in thyroid tumourigenesis, through the detection of activated immune cells, pro-inflammatory cytokines, as well as signal integrations between inflammatory and proliferative pathways within the thyroid tumour micro-environment...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29769727/microbial-signals-drive-pre-leukaemic-myeloproliferation-in-a-tet2-deficient-host
#7
Marlies Meisel, Reinhard Hinterleitner, Alain Pacis, Li Chen, Zachary M Earley, Toufic Mayassi, Joseph F Pierre, Jordan D Ernest, Heather J Galipeau, Nikolaus Thuille, Romain Bouziat, Manuel Buscarlet, Daina L Ringus, Yitang Wang, Ye Li, Vu Dinh, Sangman M Kim, Benjamin D McDonald, Matthew A Zurenski, Mark W Musch, Glaucia C Furtado, Sergio A Lira, Gottfried Baier, Eugene B Chang, A Murat Eren, Christopher R Weber, Lambert Busque, Lucy A Godley, Elena F Verdú, Luis B Barreiro, Bana Jabri
Somatic mutations in tet methylcytosine dioxygenase 2 (TET2), which encodes an epigenetic modifier enzyme, drive the development of haematopoietic malignancies1-7 . In both humans and mice, TET2 deficiency leads to increased self-renewal of haematopoietic stem cells with a net developmental bias towards the myeloid lineage1,4,8,9 . However, pre-leukaemic myeloproliferation (PMP) occurs in only a fraction of Tet2-/- mice8,9 and humans with TET2 mutations1,3,5-7 , suggesting that extrinsic non-cell-autonomous factors are required for disease onset...
May 16, 2018: Nature
https://www.readbyqxmd.com/read/29766641/tailoring-the-homing-capacity-of-human-tregs-for-directed-migration-to-sites-of-th1-inflammation-or-intestinal-regions
#8
Romy E Hoeppli, Katherine N MacDonald, Pascal Leclair, Vivian C W Fung, Majid Mojibian, Jana Gillies, Seyed M R Rahavi, Andrew I M Campbell, Sanjiv K Gandhi, Anne M Pesenacker, Gregor Reid, Chinten J Lim, Megan K Levings
Cell-based therapy with CD4+ FOXP3+ Regulatory T cells (Tregs) is a promising strategy to limit organ rejection and graft-versus-host disease. Ongoing clinical applications have yet to consider how human Tregs could be modified to direct their migration to specific inflammation sites and/or tissues for more targeted immunosuppression. We show here that stable, homing-receptor-tailored human Tregs can be generated from thymic Tregs isolated from pediatric thymus or adult blood. To direct migration to Th1-inflammatory sites, addition of IFN-γ and IL-12 during Treg expansion produced suppressive, epigenetically-stable CXCR3+ TBET+ FOXP3+ Th1-Tregs...
May 15, 2018: American Journal of Transplantation
https://www.readbyqxmd.com/read/29742950/inflammation-in-the-pleural-cavity-following-injection-of-multi-walled-carbon-nanotubes-is-dependent-on-their-characteristics-and-the-presence-of-il-1-genes
#9
Yke Jildouw Arnoldussen, Vidar Skaug, Mona Aleksandersen, Erik Ropstad, Kristine Haugen Anmarkrud, Elin Einarsdottir, Fang Chin-Lin, Cesilie Granum Bjørklund, Mayes Kasem, Einar Eilertsen, Ron N Apte, Shanbeh Zienolddiny
Upon inhalation, multi-walled carbon nanotubes (MWCNTs) may reach the subpleura and pleural spaces, and induce pleural inflammation and/or mesothelioma in humans. However, the mechanisms of MWCNT-induced pathology after direct intrapleural injections are still only partly elucidated. In particular, a role of the proinflammatory interleukin-1 (IL-1) cytokines in pleural inflammation has so far not been published. We examined the MWCNT-induced pleural inflammation, gene expression abnormalities, and the modifying role of IL-1α and β cytokines following intrapleural injection of two types of MWCNTs (CNT-1 and CNT-2) compared with crocidolite asbestos in IL-1 wild-type (WT) and IL-1α/β KO (IL1-KO) mice...
May 9, 2018: Nanotoxicology
https://www.readbyqxmd.com/read/29741587/obesity-in-mares-promotes-uterine-inflammation-and-alters-embryo-lipid-fingerprints-and-homeostasis
#10
Dawn R Sessions-Bresnahan, Adam L Heuberger, Elaine M Carnevale
Maternal body composition can be an important determinant for development of obesity and metabolic syndrome in adult offspring. Obesity-related outcomes in offspring may include epigenetic alterations; however, mechanisms of fetal programming remain to be fully elucidated. This study was conducted to determine the impact of maternal obesity in the absence of a high fat diet on equine endometrium and preimplantation embryos. Embryos were collected from normal and obese mares at 8 and 16 d and a uterine biopsy at 16 d (0 d = ovulation)...
May 7, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29720614/quantitation-of-the-cellular-content-of-saliva-and-buccal-swab-samples
#11
Christiane Theda, Seo Hye Hwang, Anna Czajko, Yuk Jing Loke, Pamela Leong, Jeffrey M Craig
Buccal swabs and saliva are the two most common oral sampling methods used for medical research. Often, these samples are used interchangeably, despite previous evidence that both contain buccal cells and blood leukocytes in different proportions. For some research, such as epigenetic studies, the cell types contributing to the analysis are highly relevant. We collected such samples from twelve children and twenty adults and, using Papanicolaou staining, measured the proportions of epithelial cells and leukocytes through microscopy...
May 2, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29719581/adipose-tissue-inflammation-and-vdr-expression-and-methylation-in-colorectal-cancer
#12
Daniel Castellano-Castillo, Sonsoles Morcillo, Mercedes Clemente-Postigo, Ana Belén Crujeiras, Jose Carlos Fernandez-García, Esperanza Torres, Francisco José Tinahones, Manuel Macias-Gonzalez
Background: Lack of vitamin D (VD) has been associated with colorectal cancer (CRC). VD has anti-inflammatory effects and regulates several cellular pathways by means of its receptor, including epigenetic modifications. Adipose tissue dysfunction has been related to low-grade inflammation, which is related to diseases like cancer. The aim of this study was to explore the relationship between serum 25-hydroxyvitamin D (25(OH)D), adipose tissue gene expression of VD receptor (VDR), pro-inflammatory markers, and the epigenetic factor DNA methyltransferase 3a (DNMT3A) as well as VDR promoter methylation in CRC...
2018: Clinical Epigenetics
https://www.readbyqxmd.com/read/29718135/the-era-of-cardiovascular-epigenetics-histone-deacetylases-and-vascular-inflammation
#13
Akansha Tarun, Charalambos Antoniades
No abstract text is available yet for this article.
April 27, 2018: Cardiovascular Research
https://www.readbyqxmd.com/read/29717661/cd4-t-cell-activation-during-the-newborn-period-barriers-against-and-pathways-toward-th1-immunity
#14
Luke S Uebelhoer, Christina L Lancioni
During the period of transition from intrauterine to extrauterine life, the neonatal immune system must learn to rapidly identify pathogens while balancing pro-inflammatory, antimicrobial responses with immune regulation that allows for resolution of inflammation and limits responses to commensal organisms and benign environmental antigens. However, the naive immune system of neonates is presented with several barriers that limit robust proinflammatory immune responses. Specifically, epigenetic modifications to neonatal naive CD4+ T cells, heightened neonatal regulatory T cell frequency and function, and limitations in the co-stimulatory potential of neonatal antigen presenting cells restrict development of CD4+ T cells with a T-helper 1 type functional profile...
2018: Critical Reviews in Immunology
https://www.readbyqxmd.com/read/29715476/epigenetic-upregulation-of-cxcl12-expression-contributes-to-the-acquisition-and-maintenance-of-morphine-induced-conditioned-place-preference
#15
Huan Liu, Jiayou Wei, Meng Liu, Shaoling Wu, Chao Ma, Cuicui Liu, Kangmei Huang, Xueqin Zhang, Ruixian Guo, Kuibo Zhang, Wenjun Xin
Addiction and rewarding effect is a primary side effect of morphine, which is commonly used to relieve the acute or chronic pain. Several lines of evidence have suggested that inflammation response in the VTA contributes to morphine-induced reward (conditioned place preference, CPP), while the mechanism are poorly understood. The present study showed that repeated morphine conditioning persistently increased the expression of CXCL12 mRNA and protein in VTA. Furthermore, inhibition of CXCL12 prevented the acquisition and maintenance, but not the expression, of morphine-induced CPP in rodent...
April 30, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29712771/igg-immunocomplexes-sensitize-human-monocytes-for-inflammatory-hyperactivity-via-transcriptomic-and-epigenetic-reprogramming-in-rheumatoid-arthritis
#16
Qiao Zhong, Fang-Yuan Gong, Zheng Gong, Sheng-Hao Hua, Ke-Qin Zeng, Xiao-Ming Gao
Prevalence of circulating immunocomplexes (ICs) strongly correlates with rheumatoid arthritis (RA) in humans. Deposits of IgG-ICs are abundant in affected joints of patients, yet molecular mechanisms for the pathogenic roles of such ICs are not fully understood. In this study, we present evidence that IgG-ICs precipitated from RA sera sensitized human monocytes for a long-lasting inflammatory functional state, characterized by a strong TNF-α response to cellular proteins representing damage-associated molecular patterns and microbe-derived pathogen-associated molecular patterns...
April 30, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29709672/of-pleiotropy-and-trajectories-does-the-tgfb-pathway-link-childhood-asthma-and-copd
#17
Avery DeVries, Donata Vercelli
The study of developmental trajectories is where epigenetics truly shines. The "epi" in epi-genetics captures the fact that although epigenetic processes also preside over the maintenance and termination of gene expression, the unfolding and remodeling of chromatin architecture are especially critical to prepare genes for regulated transcription. These properties imply being on a path, a trajectory to events that will occur later on thanks to epigenetic programming. Thus, epigenetics is about timed and timely events...
April 27, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29707039/emerging-concepts-in-non-invasive-monitoring-of-crohn-s-disease
#18
REVIEW
Wojciech Marlicz, Karolina Skonieczna-Żydecka, Konstantinos John Dabos, Igor Łoniewski, Anastasios Koulaouzidis
Inflammatory bowel disease (IBD) is an umbrella term for Crohn's disease (CD) and ulcerative colitis (UC). In light of evolving epidemiology of CD, its clinical management is still complex and remains a challenge for contemporary physicians. With the advent of new diagnostic and treatment paradigms, there is a growing need for new biomarkers to guide decision-making, differential diagnosis, disease activity monitoring, as well as prognosis. However, both clinical and endoscopic scoring systems, widely utilized for disease monitoring and prognosis, have drawbacks and limitations...
2018: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/29705945/could-alzheimer-s-disease-originate-in-the-periphery-and-if-so-how-so
#19
REVIEW
Gerwyn Morris, Michael Berk, Michael Maes, Basant K Puri
The classical amyloid cascade model for Alzheimer's disease (AD) has been challenged by several findings. Here, an alternative molecular neurobiological model is proposed. It is shown that the presence of the APOE ε4 allele, altered miRNA expression and epigenetic dysregulation in the promoter region and exon 1 of TREM2, as well as ANK1 hypermethylation and altered levels of histone post-translational methylation leading to increased transcription of TNFA, could variously explain increased levels of peripheral and central inflammation found in AD...
April 29, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29702408/dysregulated-long-non-coding-rnas-in-the-temporal-lobe-epilepsy-mouse-model
#20
Yoonhyuk Jang, Jangsup Moon, Soon-Tae Lee, Jin-Sun Jun, Tae-Joon Kim, Jung-Ah Lim, Byeong-Su Park, Jung-Suk Yu, Dong-Kyu Park, Ah Reaum Yang, Kyung-Ii Park, Ki-Young Jung, Manho Kim, Keun-Hwa Jung, Daejong Jeon, Kon Chu, Sang Kun Lee
PURPOSE: To perform comprehensive profiling of long non-coding RNAs (LncRNAs) in temporal lobe epilepsy. METHODS: We performed extensive profiling of LncRNAs and mRNAs in the mouse pilocarpine model in specific brain regions, the hippocampus and cortex, and compared the results to those of the control mouse. Differentially expressed LncRNAs and mRNAs were identified with a microarray analysis (Arraystar Mouse LncRNA Expression Microarray V3.0). Then, gene ontology (GO) and pathway analysis were performed to investigate the potential roles of the differentially expressed mRNAs in the pilocarpine model...
April 13, 2018: Seizure: the Journal of the British Epilepsy Association
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