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Chronic inflammation

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https://www.readbyqxmd.com/read/28918442/the-role-of-periostin-in-lung-fibrosis-and-airway-remodeling
#1
REVIEW
David N O'Dwyer, Bethany B Moore
Periostin is a protein that plays a key role in development and repair within the biological matrix of the lung. As a matricellular protein that does not contribute to extracellular matrix structure, periostin interacts with other extracellular matrix proteins to regulate the composition of the matrix in the lung and other organs. In this review, we discuss the studies exploring the role of periostin to date in chronic respiratory diseases, namely asthma and idiopathic pulmonary fibrosis. Asthma is a major health problem globally affecting millions of people worldwide with significant associated morbidity and mortality...
September 16, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28918107/depression-evening-salivary-cortisol-and-inflammation-in-chronic-fatigue-syndrome-a-psychoneuroendocrinological-structural-regression-model
#2
Sara F Milrad, Daniel L Hall, Devika R Jutagir, Emily G Lattie, Sara J Czaja, Dolores M Perdomo, Mary Ann Fletcher, Nancy Klimas, Michael H Antoni
INTRODUCTION: Chronic Fatigue Syndrome (CFS) is a poorly understood illness that is characterized by diverse somatic symptoms, hypothalamic pituitary adrenal (HPA) axis dysfunction and heightened inflammatory indicators. These symptoms are often exacerbated and accompanied by psychological distress states and depression. Since depression is known to be associated with HPA axis dysfunction and greater inflammation, a psychoneuroendocrinological (PNE) model of inflammation was examined in persons diagnosed with CFS in order to uncover underlying biopsychosocial mechanisms in this poorly understood chronic illness...
September 13, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28918046/microrna-as-therapeutic-targets-for-chronic-wound-healing
#3
REVIEW
Eoghan J Mulholland, Nicholas Dunne, Helen O McCarthy
Wound healing is a highly complex biological process composed of three overlapping phases: inflammation, proliferation, and remodeling. Impairments at any one or more of these stages can lead to compromised healing. MicroRNAs (miRs) are non-coding RNAs that act as post-transcriptional regulators of multiple proteins and associated pathways. Thus, identification of the appropriate miR involved in the different phases of wound healing could reveal an effective third-generation genetic therapy in chronic wound care...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28917708/type-2-diabetes-mellitus-balb-c-mice-are-more-susceptible-to-granulomatous-amoebic-encephalitis-immunohistochemical-study
#4
Maritza Omaña-Molina, Raquel Sanchez-Rocha, Dolores Hernandez-Martinez, Miriam Romero Grijalva, Citlaltepetl Salinas-Lara, Miriam Rodriguez-Sosa, Imelda Juarez-Avelar, Lizbeth Salazar-Villatoro, Arturo Gonzalez-Robles, Adolfo Rene Mendez-Cruz, Patricia Aley-Medina, Jesus Espinosa-Villanueva, Ismael Castelan-Ramirez, Jacob Lorenzo-Morales
Granulomatous amoebic encephalitis (GAE) is a chronic, difficult to resolve infection caused by amphizoic amoebae of the genus Acanthamoeba, which in most cases occurs in immunosuppressed persons or with chronic diseases such as diabetes. In this study, we describe the early events of A. culbertsoni infection of GAE in diabetic mice model. Diabetes was induced in male BALB/c mice, with a dose of streptozotocin (130 mg/kg). Healthy and diabetic mice were inoculated via intranasal with 1 × 10(6) trophozoites of A...
September 13, 2017: Experimental Parasitology
https://www.readbyqxmd.com/read/28917668/gut-microbe-mediated-suppression-of-inflammation-associated-colon-carcinogenesis-by-luminal-histamine-production
#5
Chunxu Gao, Bhanu Priya Ganesh, Zhongcheng Shi, Rajesh Rasik Shah, Robert Fultz, Angela Major, Susan Venable, Monica Lugo, Kathleen Hoch, Xiaowei Chen, Anthony Haag, Timothy C Wang, James Versalovic
Microbiome-mediated suppression of carcinogenesis may open new avenues for identification of therapeutic targets and prevention strategies in oncology. Histidine decarboxylase (HDC) deficiency has been shown to promote inflammation-associated colorectal cancer by accumulation of CD11b(+)Gr-1(+) immature myeloid cells, indicating a potential antitumorigenic effect of histamine. Here, we demonstrate that administration of hdc(+)Lactobacillus reuteri in the gut resulted in luminal hdc gene expression and histamine production in the intestines of Hdc(-/-) mice...
September 6, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28917452/postinflammatory-hyperpigmentation-a-comprehensive-overview-treatment-options-and-prevention
#6
REVIEW
Suteeraporn Chaowattanapanit, Narumol Silpa-Archa, Indermeet Kohli, Henry W Lim, Iltefat Hamzavi
Postinflammatory hyperpigmentation (PIH) occurs after various dermatoses, exogenous stimuli, and dermatologic procedures. The clinical course of PIH is chronic and unpredictable, although the probability of resolution of epidermal hyperpigmentation is better than those of dermal hyperpigmentation. PIH can be prevented or alleviated. When it does occur, the underlying inflammatory conditions should be sought and treated as the first step to reduce the progression of inflammation and PIH (which is an inflammatory consequence)...
October 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28917193/high-c-reactive-protein-levels-are-associated-with-depressive-symptoms-in-schizophrenia
#7
M Faugere, J-A Micoulaud-Franchi, C Faget-Agius, C Lançon, M Cermolacce, R Richieri
BACKGROUND: Depressive symptoms are frequently associated with schizophrenia symptoms. C - Reactive protein (CRP), a marker of chronic inflammation, had been found elevated in patients with schizophrenia and in patients with depressive symptoms. However, the association between CRP level and depressive symptoms has been poorly investigated in patients with schizophrenia. The only study conducted found an association between high CRP levels and antidepressant consumption, but not with depressive symptoms investigated with the Calgary Depression Rating Scale for Schizophrenia (CDSS)...
September 8, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28916993/periostin-in-the-pathogenesis-of-skin-diseases
#8
REVIEW
Hiroyuki Murota, Yang Lingli, Ichiro Katayama
Skin is an organ that is susceptible to damage by external injury, chronic inflammation, and autoimmunity. Tissue damage causes alterations in both the configuration and type of cells in lesional skin. This phenomenon, called tissue remodeling, is a universal biological response elicited by programmed cell death, inflammation, immune disorders, and tumorigenic, tumor proliferative, and cytoreductive activity. In this process, changes in the components of the extracellular matrix are required to provide an environment that facilitates tissue remodeling...
September 15, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28916915/inflammatory-diseases-and-bone-fragility
#9
REVIEW
K Briot, P Geusens, I Em Bultink, W F Lems, C Roux
Systemic osteoporosis and increased fracture rates have been described in chronic inflammatory diseases such as rheumatoid arthritis, spondyloarthritis, systemic lupus erythematosus, inflammatory bowel diseases, and chronic obstructive pulmonary disease. Most of these patients receive glucocorticoids, which have their own deleterious effects on bone. However, the other main determinant of bone fragility is the inflammation itself, as shown by the interactions between the inflammatory mediators, the actors of the immune system, and the bone remodelling...
September 15, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28916704/delayed-neutrophil-apoptosis-enhances-net-formation-in-cystic-fibrosis
#10
Robert D Gray, Gareth Hardisty, Kate H Regan, Maeve Smith, Calum T Robb, Rodger Duffin, Annie Mackellar, Jennifer M Felton, Lily Paemka, Brian N McCullagh, Christopher D Lucas, David A Dorward, Edward F McKone, Gordon Cooke, Seamas C Donnelly, Pradeep K Singh, David A Stoltz, Christopher Haslett, Paul B McCray, Moira K B Whyte, Adriano G Rossi, Donald J Davidson
BACKGROUND: Cystic fibrosis (CF) lung disease is defined by large numbers of neutrophils and associated damaging products in the airway. Delayed neutrophil apoptosis is described in CF although it is unclear whether this is a primary neutrophil defect or a response to chronic inflammation. Increased levels of neutrophil extracellular traps (NETs) have been measured in CF and we aimed to investigate the causal relationship between these phenomena and their potential to serve as a driver of inflammation...
September 15, 2017: Thorax
https://www.readbyqxmd.com/read/28916390/il-33-receptor-st2-deficiency-attenuates-renal-ischaemia-reperfusion-injury-in-euglycaemic-but-not-streptozotocin-induced-hyperglycaemic-mice
#11
M Sehnine, M Ferhat, S Sena, J M Gombert, J M Goujon, A Thierry, G Touchard, T Hauet, A Herbelin, S Hadjadj
AIM: Kidney hypoxia can predispose to the development of acute and chronic renal failure in diabetes. Ischaemia-reperfusion injury (IRI) causes inflammation, and diabetes is known to exacerbate this inflammatory response in the kidney, whereas alarmin IL-33 could act as an innate immune mediator during kidney IRI. Thus, the present study examined the impact of genetic IL-33 receptor ST2 deficiency (ST2-/-) on renal IRI in euglycaemic and hyperglycaemic mice. METHODS: Hyperglycaemia was induced with streptozotocin (STZ) in adult male C57BL/6JRj wild-type (WT) mice and ST2-/- mice...
September 12, 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/28915899/association-between-polymorphisms-of-tas2r16-and-susceptibility-to-colorectal-cancer
#12
Jonathan Barontini, Marco Antinucci, Sergio Tofanelli, Maurizio Cammalleri, Massimo Dal Monte, Federica Gemignani, Pavel Vodicka, Roberto Marangoni, Ludmila Vodickova, Juozas Kupcinskas, Veronika Vymetalkova, Asta Forsti, Federico Canzian, Angelika Stein, Victor Moreno, Nicola Mastrodonato, Francesca Tavano, Anna Panza, Roberto Barale, Stefano Landi, Daniele Campa
BACKGROUND: Genetics plays an important role in the susceptibility to sporadic colorectal cancer (CRC). In the last 10 years genome-wide association studies (GWAS) have identified over 40 independent low penetrance polymorphic variants. However, these loci only explain around 1‑4% of CRC heritability, highlighting the dire need of identifying novel risk loci. In this study, we focused our attention on the genetic variability of the TAS2R16 gene, encoding for one of the bitter taste receptors that selectively binds to salicin, a natural antipyretic that resembles aspirin...
September 15, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28915774/pyoderma-gangrenosum-a-current-problem-as-much-as-an-unknown-one
#13
Valerio Vallini, Roberto Andreini, Angelo Bonadio
Pyoderma gangrenosum (PG) is a rare neutrophilic inflammatory skin disease, characterized by recurrent skin ulcers, which in almost 50% of cases are associated with systemic autoimmune disorders, including rheumatoid arthritis, chronic hepatitis, inflammatory bowel disease, paraproteinemias and hematological malignancies. A systematic search of literature for PG was carried out using the PubMed, Embase, and Google Scholar databases for the purpose of this review and 2780 articles were retrieved up to February 2017...
September 2017: International Journal of Lower Extremity Wounds
https://www.readbyqxmd.com/read/28915699/biological-effects-and-epidemiological-consequences-of-arsenic-exposure-and-reagents-that-can-ameliorate-arsenic-damage-in-vivo
#14
REVIEW
Chinthalapally V Rao, Sanya Pal, Altaf Mohammed, Mudassir Farooqui, Mark P Doescher, Adam S Asch, Hiroshi Y Yamada
Through contaminated diet, water, and other forms of environmental exposure, arsenic affects human health. There are many U.S. and worldwide "hot spots" where the arsenic level in public water exceeds the maximum exposure limit. The biological effects of chronic arsenic exposure include generation of reactive oxygen species (ROS), leading to oxidative stress and DNA damage, epigenetic DNA modification, induction of genomic instability, and inflammation and immunomodulation, all of which can initiate carcinogenesis...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915633/selection-of-optimal-molecular-targets-for-tumor-specific-imaging-in-pancreatic-ductal-adenocarcinoma
#15
Willemieke S Tummers, Arantza Farina-Sarasqueta, Martin C Boonstra, Hendrica A Prevoo, Cornelis F Sier, Jan S Mieog, Johannes Morreau, Casper H van Eijck, Peter J Kuppen, Cornelis J van de Velde, Bert A Bonsing, Alexander L Vahrmeijer, Rutger-Jan Swijnenburg
Discrimination of pancreatic ductal adenocarcinoma (PDAC) from chronic pancreatitis (CP) or peritumoral inflammation is challenging, both at preoperative imaging and during surgery, but it is crucial for proper therapy selection. Tumor-specific molecular imaging aims to enhance this discrimination and to help select and stratify patients for resection. We evaluated various biomarkers for the specific identification of PDAC and associated lymph node metastases. Using immunohistochemistry (IHC), expression levels and patterns were investigated of integrin αvβ6, carcinoembryonic antigen-related cell adhesion molecule 5 (CEACAM5), Cathepsin E (Cath E), epidermal growth factor receptor (EGFR), hepatocyte growth factor receptor (c-MET), thymocyte differentiation antigen 1 (Thy1), and urokinase-type plasminogen activator receptor (uPAR)...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915625/long-term-cigarette-smoke-exposure-inhibits-histone-deacetylase-2-expression-and-enhances-the-nuclear-factor-%C3%AE%C2%BAb-activation-in-skeletal-muscle-of-mice
#16
Dongmei Huang, Zhiying Ma, Yili He, Ying Xiao, Honglin Luo, Qiuli Liang, Xiaoning Zhong, Jing Bai, Zhiyi He
Long-term cigarette smoke induces lung inflammatory injury and chronic obstructive pulmonary disease (COPD), associated with skeletal muscle inflammation. This study aimed at investigating how cigarette smoke promotes skeletal muscle inflammation and its molecular pathogenesis. Mice were exposed to air or cigarette smoke for 12 or 24 weeks, and C2C12 cells were stimulated with cigarette smoke extract (CSE). The mass and function, myotube formation, inflammatory cytokine production, histone deacetylase 2 (HDAC2) and nuclear factor-κB (NF-κB) p65 expression were detected in the gastrocnemius muscles of mice and C2C12 cells...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915571/p62-plasmid-can-alleviate-diet-induced-obesity-and-metabolic-dysfunctions
#17
Tatiana Halenova, Oleksii Savchuk, Ludmila Ostapchenko, Andrey Chursov, Nathan Fridlyand, Andrey B Komissarov, Franco Venanzi, Sergey I Kolesnikov, Albert A Sufianov, Michael Y Sherman, Vladimir L Gabai, Alexander M Shneider
A high-calorie diet (HCD) induces two mutually exacerbating effects contributing to diet-induced obesity (DIO): impaired glucose metabolism and increased food consumption. A link between the metabolic and behavioral manifestations is not well understood yet. We hypothesized that chronic inflammation induced by HCD plays a key role in linking together the two components of diet-induced pathology. Based on this hypothesis, we tested if a plasmid (DNA vaccine) encoding p62 (SQSTM1) would alleviate DIO including its metabolic and/or food consumption abnormalities...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915552/dicer-suppresses-cytoskeleton-remodeling-and-tumorigenesis-of-colorectal-epithelium-by-mir-324-5p-mediated-suppression-of-hmgxb3-and-wasf-2
#18
Li Na Sun, Cheng Xing, Zheng Zhi, Yao Liu, Liang-Yan Chen, Tong Shen, Qun Zhou, Yu Hong Liu, Wen Juan Gan, Jing-Ru Wang, Yong Xu, Jian Ming Li
Emerging evidence indicates that microRNAs, a class of small and well-conserved noncoding RNAs, participate in many physiological and pathological processes. RNase III endonuclease DICER is one of the key enzymes for microRNA biogenesis. Here, we found that DICER was downregulated in tumor samples of colorectal cancer (CRC) patients at both mRNA and protein levels. Importantly, intestinal epithelial cell (IEC)-specific deletion of Dicer mice got more tumors after azoxymethane and dextran sulfate sodium (DSS) administration...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915326/adaptive-immunity-and-metabolic-health-harmony-becomes-dissonant-in-obesity-and-aging
#19
Leena P Bharath, Blanche C Ip, Barbara S Nikolajczyk
Adipose tissue (AT) is the primary energy reservoir organ, and thereby plays a critical role in energy homeostasis and regulation of metabolism. AT expands in response to chronic overnutrition or aging and becomes a major source of inflammation that has marked influence on systemic metabolism. The chronic, sterile inflammation that occurs in the AT during the development of obesity or in aging contributes to onset of devastating diseases such as insulin resistance, diabetes, and cardiovascular pathologies. Numerous studies have shown that inflammation in the visceral AT of humans and animals is a critical trigger for the development of metabolic syndrome...
September 12, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28914380/secretory-sphingomyelinase-s-smase-activity-is-elevated-in-patients-with-rheumatoid-arthritis
#20
Beatriz Y Hanaoka, Michelle J Ormseth, C Michael Stein, Daipayan Banerjee, Mariana Nikolova-Karakashian, Leslie J Crofford
The goals of this study were to determine if secretory sphingomyelinase (S-SMase) activity is elevated in patients with rheumatoid arthritis (RA) compared to control subjects and to examine the relationships of S-SMase activity with functional status, quality of life, and RA disease activity measurements. We collected data on 33 patients who were diagnosed with RA and 17 non-RA controls who were comparable in terms of age, sex, and race. Demographic, clinical data and self-reported measures of fatigue, pain, and physical function were obtained directly from patients and controls...
September 15, 2017: Clinical Rheumatology
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