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https://www.readbyqxmd.com/read/28528514/tissue-metabolism-and-the-inflammatory-bowel-diseases
#1
REVIEW
Jordi M Lanis, Daniel J Kao, Erica E Alexeev, Sean P Colgan
The intestinal mucosa provides a selective barrier between the anaerobic lumen and a highly metabolic lamina propria. A number of recent studies indicate that acute inflammation of the mucosa can result in tissue hypoxia and associated shifts in tissue metabolism. The activation of hypoxia-inducible factor (HIF) under these conditions has been demonstrated to function as an endogenous molecular cue to promote resolution of inflammation, particularly through the orchestration of barrier repair toward homeostasis...
May 20, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28528513/the-expansive-role-of-oxylipins-on-platelet-biology
#2
REVIEW
Jennifer Yeung, Megan Hawley, Michael Holinstat
In mammals, three major oxygenases, cyclooxygenases (COXs), lipoxygenases (LOXs), and cytochrome P450 (CYP450), generate an assortment of unique lipid mediators (oxylipins) from polyunsaturated fatty acids (PUFAs) which exhibit pro- or anti-thrombotic activity. Over the years, novel oxylipins generated from the interplay of theoxygenase activity in various cells, such as the specialized pro-resolving mediators (SPMs), have been identified and investigated in inflammatory disease models. Although platelets have been implicated in inflammation, the role and mechanism of these SPMs produced from immune cells on platelet function are still unclear...
May 20, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28528507/mertk-does-not-mediate-phagocytosis-of-staphylococcus-aureus-but-attenuates-inflammation-induced-by-staphylococcal-lipoteichoic-acid-through-blocking-nf-%C3%AE%C2%BAb-activation
#3
Bing Zhang, Huimei Wu, Lei Fang, Peishan Ding, Ke Xu, Qingbin Yang, Rongyu Liu
Mer receptor tyrosine kinase (MerTK) expressed in macrophages is essential for phagocytosis of apoptotic cells. Here, we investigate whether MerTK is involved in the phagocytosis of Staphylococcus aureus (S. aureus) and regulation of staphylococcal lipoteichoic acid (LTA)-induced inflammatory response in macrophages. We found that stimulating RAW264.7 macrophages with S. aureus activated multiple signaling pathways including toll-like receptor 2 (TLR2), scavenger receptor A (SR-A), and MerTK. Meanwhile, S. aureus stimulation also induced activation of proteins focal adhesion kinase (FAK) and Rac1, which are related to phagocytosis...
May 20, 2017: Inflammation
https://www.readbyqxmd.com/read/28528454/new-insights-into-pericarditis-mechanisms-of-injury-and-therapeutic-targets
#4
REVIEW
Bo Xu, Serge C Harb, Paul C Cremer
PURPOSE OF REVIEW: This review article aims to provide a contemporary insight into the pathophysiological mechanisms of and therapeutic targets for pericarditis, drawing distinction between autoinflammatory and autoimmune pericarditis. RECENT FINDINGS: Recent research has focused on the distinction between autoinflammatory and autoimmune pericarditis. In autoinflammatory pericarditis, viruses can activate the sensor molecule of the inflammasome, which results in downstream release of cytokines, such as interleukin-1, that recruit neutrophils and macrophages to the site of injury...
July 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28528377/correlation-between-corneal-innervation-and-inflammation-evaluated-with-confocal-microscopy-and-symptomatology-in-patients-with-dry-eye-syndromes-a-preliminary-study
#5
Tudor C Tepelus, Gloria B Chiu, Jianyan Huang, Ping Huang, SriniVas R Sadda, John Irvine, Olivia L Lee
PURPOSE: To evaluate corneal innervation and inflammatory cell infiltration using in vivo confocal microscopy (IVCM) and to correlate these findings with subjective symptoms of dry eye, as measured by the Ocular Surface Disease Index (OSDI) in patients with non-Sjögren's (NSDE) and Sjögren's syndrome dry eyes (SSDE). METHODS: Central corneal images were prospectively captured from 10 age-matched healthy control eyes, 24 eyes with clinically diagnosed NSDE and 44 eyes with clinically diagnosed SSDE, using IVCM (HRT III RCM)...
May 20, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28528364/a-randomized-double-blind-placebo-controlled-trial-of-a-multi-strain-probiotic-in-treatment-of-symptomatic-uncomplicated-diverticular-disease
#6
Charlotte L Kvasnovsky, Ingvar Bjarnason, Ana Nora Donaldson, Roy A Sherwood, Savvas Papagrigoriadis
BACKGROUND: Diverticular disease is a significant burden on healthcare systems that is managed, surgically or medically, mainly as an emergency or acute condition. There are no standardized treatment recommendations for symptomatic uncomplicated disease. We hypothesized that a probiotic would reduce abdominal pain in such patients. METHODS: We conducted a single-center, double-blind, placebo-controlled trial of probiotic treatment (Symprove) in adult patients with moderate-to-severe chronic, non-acute symptomatic diverticular disease...
May 20, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28528363/caffeic-acid-phenethyl-ester-is-protective-in-experimental-ulcerative-colitis-via-reduction-in-levels-of-pro-inflammatory-mediators-and-enhancement-of-epithelial-barrier-function
#7
Mohammed N Khan, Majella E Lane, Paul A McCarron, Murtaza M Tambuwala
BACKGROUND: Inhibition of the nuclear factor kappa beta (NF-κβ) pathway has been proposed as a therapeutic target due to its key role in the expression of pro-inflammatory genes, including pro-inflammatory cytokines, chemokines, and adhesion molecules. Caffeic acid phenethyl ester (CAPE) is a naturally occurring anti-inflammatory agent, found in propolis, and has been reported as a specific inhibitor of NF-κβ. However, the impact of CAPE on levels of myeloperoxidases (MPO) and pro-inflammatory cytokines during inflammation is not clear...
May 20, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28528362/budesonide-fluticasone-propionate-and-azithromycin-do-not-modulate-the-membrane-vesicle-release-by-thp-1-macrophages-and-respiratory-pathogens-during-macrophage-infection
#8
Charlotte Volgers, Gert E Grauls, Pauline H M Hellebrand, Paul H M Savelkoul, Frank R M Stassen
Patients with more severe chronic obstructive pulmonary disease frequently experience exacerbations and it is estimated that up to 50% of these exacerbations are associated with bacterial infections. The mainstay treatment for these infection-related exacerbations constitutes the administration of glucocorticoids, alone or in combination with antibiotics. A recent line of evidence demonstrates that many hormones including the steroid beclomethasone can also directly affect bacterial growth, virulence, and antibiotic resistance...
May 20, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28528336/racial-and-ethnic-differences-in-mortality-associated-with-serum-potassium-in-a-large-hemodialysis-cohort
#9
Taehee Kim, Connie M Rhee, Elani Streja, Melissa Soohoo, Yoshitsugu Obi, Jason A Chou, Amanda R Tortorici, Vanessa A Ravel, Csaba P Kovesdy, Kamyar Kalantar-Zadeh
BACKGROUND: Hyperkalemia is observed in chronic kidney disease patients and may be a risk factor for life-threatening arrhythmias and death. Race/ethnicity may be important modifiers of the potassium-mortality relationship in maintenance hemodialysis (MHD) patients given that potassium intake and excretion vary among minorities. METHODS: We examined racial/ethnic differences in baseline serum potassium levels and all-cause and cardiovascular mortality using Cox proportional hazard models and restricted cubic splines in a cohort of 102,241 incident MHD patients...
May 20, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28528307/extracellular-atp-is-a-key-modulator-of-alveolar-bone-loss-in-periodontitis
#10
REVIEW
Itzhak Binderman, Nasir Gadban, Avinoam Yaffe
Periodontal diseases are initiated by pathogenic bacterial biofilm activity that induces a host inflammatory cells immune response, degradation of dento gingival fibrous tissue and its detachment from root cementum. It is well accepted, that osteoclastic alveolar bone loss is governed exclusively through secretion of proinflammatory cytokines. Nevertheless, our findings suggest that once degradation of collagen fibers by MMPs occurs, a drop of cellular strains cause immediate release of ATP from marginal gingival fibroblasts, cell deformation and influx of Ca+2...
May 13, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28528288/cancer-atrial-fibrillation-and-stroke
#11
REVIEW
Tess Fitzpatrick, Marc Carrier, Grégoire Le Gal
Cancer patients appear to be at increased risk for atrial fibrillation. Although surgery and chemotherapy exacerbate this risk, this association is observed even in the absence of any cancer-specific treatment. The underlying mechanism of this is likely multifactorial, but systemic inflammation and autonomic dysregulation are hypothesized to play critical roles. Cancer and atrial fibrillation are both independent risk factors for ischemic stroke; however, it is not clear whether this translates to an increased risk of stroke in patients with both comorbidities...
May 9, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28528242/efficacy-and-safety-of-celecoxib-monotherapy-for-mild-to-moderate-depression-in-patients-with-colorectal-cancer-a-randomized-double-blind-placebo-controlled-trial
#12
Maryam Alamdarsaravi, Alireza Ghajar, Ahmad-Ali Noorbala, Mohammad Arbabi, Amirhossein Emami, Farhad Shahei, Mehrzad Mirzania, Morteza Jafarinia, Mohsen Afarideh, Shahin Akhondzadeh
Cancer-related inflammation is an essential process in malignancies. Celecoxib, a nonsteroidal anti-inflammatory drug that acts via the selective inhibition of cyclooxygenase (COX)-2, has shown favorable effects in several psychiatric disorders. The present study aimed to assess the safety and efficacy of celecoxib single therapy on depressive symptoms of patients with colorectal cancer who underwent chemotherapy. The study was conducted as a 6-week, parallel-group, randomized, double-blind, placebo-controlled trial...
May 17, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28528205/heterotrimeric-complex-of-p38-mapk-pkc%C3%AE-and-tirap-is-required-for-ap1-mediated-inflammatory-response
#13
Mirza S Baig, Dongfang Liu, Kannan Muthu, Anjali Roy, Uzma Saqib, Adnan Naim, Syed M Faisal, Mansi Srivastava, Rohit Saluja
Inflammation could be described as a physiological response of the body to tissue injury, pathogen invasion, and irritants. During the inflammatory phase, cells of both the innate as well as adaptive immune system are activated and recruited to the site of inflammation. These mediators are downstream targets for the transcription factors; activator protein-1 (AP1), nuclear factor kappa-light-chain-enhancer (NF-κB), signal transducers and activators of transcription factors (STAT1), as well as interferon regulatory factors (IRFs), which control the expression of most immunomodulatory genes...
May 18, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28528204/a-novel-pleiotropic-effect-of-aspirin-beneficial-regulation-of-pro-and-anti-inflammatory-mechanisms-in-microglial-cells
#14
Diana Kata, Imre Földesi, Liliana Z Feher, Laszlo Hackler, Laszlo G Puskas, Karoly Gulya
Aspirin, one of the most widely used non-steroidal anti-inflammatory drugs, has extensively studied effects on the cardiovascular system. To reveal further pleiotropic, beneficial effects of aspirin on a number of pro- and anti-inflammatory microglial mechanisms, we performed morphometric and functional studies relating to phagocytosis, pro- and anti-inflammatory cytokine production (IL-1β, tumor necrosis factor-α (TNF-α) and IL-10, respectively) and analyzed the expression of a number of inflammation-related genes, including those related to the above functions, in pure microglial cells...
May 17, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28528201/x-linked-carriers-of-chronic-granulomatous-disease-illness-lyonization-and-stability
#15
Beatriz E Marciano, Christa S Zerbe, E Liana Falcone, Li Ding, Suk See DeRavin, Janine Daub, Samantha Kreuzburg, Lynne Yockey, Sally Hunsberger, Ladan Foruraghi, Lisa A Barnhart, Kabir Matharu, Victoria Anderson, Dirk N Darnell, Cathleen Frein, Danielle L Fink, Karen P Lau, Debra A Long Priel, John I Gallin, Harry L Malech, Gulbu Uzel, Alexandra F Freeman, Douglas B Kuhns, Sergio D Rosenzweig, Steven M Holland
BACKGROUND: Chronic granulomatous disease (CGD) is characterized by recurrent life-threatening bacterial and fungal infections and aberrant inflammation. Mutations in CYBB cause X-linked CGD and account for 65%-70% of cases in western countries. OBJECTIVE: To understand the clinical manifestations associated with the X-linked CGD carrier state. METHODS: We undertook a comprehensive retrospective study of 162 affected females. We examined dihydrorhodamine oxidation (DHR) data for percent (%) X chromosome inactivation...
May 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28528200/sputum-transcriptomics-reveal-up-regulation-of-il-1-receptor-family-members-in-severe-asthma
#16
Christos Rossios, Stelios Pavlidis, Uruj Hoda, Chih-Hsi Kuo, Coen Wiegman, Kirsty Russell, Kai Sun, Matthew J Loza, Frederic Baribaud, Andrew L Durham, Oluwaseun Ojo, Rene Lutter, Anthony Rowe, Aruna Bansal, Charles Auffray, Ana Sousa, Julie Corfield, Ratko Djukanovic, Yike Guo, Peter J Sterk, Kian Fan Chung, Ian M Adcock
BACKGROUND: Sputum analysis in asthma is used to define airway inflammatory processes and may guide therapy. OBJECTIVE: To determine differential gene and protein expression in sputum samples from patients with severe asthma (SA) compared to mild-moderate non-smoking asthmatics (MMA). METHODS: Induced sputum was obtained from non-smoking SA (SAn), smokers/ex-smokers with SA (SAsm), MMA and healthy non-smoking controls. Differential cell counts, microarray analysis of cell pellets and SOMAscan analysis of sputum analytes was performed...
May 17, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28528185/simvastatin-ameliorate-memory-deficits-and-inflammation-in-clinical-and-mouse-model-of-alzheimer-s-disease-via-modulating-the-expression-of-mir-106b
#17
Wenzhong Huang, Zhenyu Li, Liandong Zhao, Wei Zhao
BACKGROUND: Alzheimer's disease (AD) as a neurodegenerative brain disorder is a devastating pathology leading to disastrous cognitive impairments and dementia, and several studies have shown that AD is closely related to the inflammation, so anti-inflammatory treatment may provide therapeutic benefits. In this study, the effect of simvastatin on inflammation was investigated and the underlying mechanisms were explored. METHODS: First, we tested the effect of simvastatin on AD in clinical research...
May 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28528183/effects-of-quercetin-on-proliferation-and-migration-of-human-glioblastoma-u251-cells
#18
Yue Liu, Zhen-Gang Tang, Yi Lin, Xin-Guo Qu, Wei Lv, Guo-Bin Wang, Cai-Li Li
Quercetin is a flavonoid that has been shown to have anti-oxidation, anti-inflammation, anti-allergic, anti-viral, and anti-cancer activities. Here, we examined the effects of quercetin on cell viability, cell cycle progression, and migration in U251 cells, a human glioblastoma cell line. We found that quercetin inhibited cell proliferation after treating cells for 24 (IC50 of 113.65μg/ml) or 48h (IC50 of 48.61μg/ml). Quercetin treatment also induced apoptosis via deregulating the expression of apoptotic genes, including Bax and Bcl-2, and arrested cell cycle at G2/M phases...
May 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28528167/cxcl1-inhibition-regulates-uvb-induced-skin-inflammation-and-tumorigenesis-in-xpa-deficient-mice
#19
Makoto Kunisada, Chieko Hosaka, Chihiro Takemori, Eiji Nakano, Chikako Nishigori
Xeroderma pigmentosum complementation group A (XP-A) is a hereditary disease characterized by early onset of skin cancers and freckles-like pigmented maculae in the sun-exposed sites. Although etiology of predisposition to UV-induced skin tumors in XP-A is well investigated as a repair deficiency in UV-induced DNA damage, the mechanism of exaggerated sunburn in patients with XP-A and whether UV-induced inflammation relates to skin tumor-prone phenotype remains to be elucidated. Using gene profiling of XP-A model mice, Xpa-deficient mice, we found that expression of CXCL1 in the skin and blood levels of in Xpa-deficient mice increased significantly after UVB exposure at an even a limited area in comparison to those of wild-type mice...
May 17, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28528143/intergenerational-accumulation-of-impairments-in-maternal-behavior-following-postnatal-social-stress
#20
B C Nephew, L M Carini, S Sallah, C Cotino, R A S Alyamani, F Pittet, S Bradburn, C Murgatroyd
Early adversity such as depressed maternal care can have long-term physiological and behavioral effects on offspring and future generations. Exposure to chronic social stress (CSS), an ethologically model of postpartum depression and anxiety, during lactation impairs maternal care and exerts similar effects on the F1 dam offspring of the stressed F0 dams. These changes associate with increased corticosterone and neuroendocrine alterations. CSS F2 offspring further display decreased social behavior as juveniles and adults and decreased basal levels of corticosterone...
May 13, 2017: Psychoneuroendocrinology
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