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Chronic inflammation

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https://www.readbyqxmd.com/read/28107775/beta-caryophyllene-protects-against-alcoholic-steatohepatitis-by-attenuating-inflammation-and-metabolic-dysregulation-in-mice
#1
Zoltan V Varga, Csaba Matyas, Katalin Erdelyi, Resat Cinar, Daniela Nieri, Andrea Chicca, Balazs Tamas Nemeth, Janos Paloczi, Tamas Lajtos, Lukas Corey, Gyorgy Hasko, Bin Gao, George Kunos, Jürg Gertsch, Pal Pacher
BACKGROUND AND AIMS: Beta-caryophyllene (BCP) is a plant-derived FDA approved food additive with anti-inflammatory properties. Some of its beneficial effects in vivo reported to involve activation of cannabinoid 2 receptors (CB2) that are predominantly expressed in immune cells. Herein, we evaluated the translational potential of BCP using a well-established model of chronic and binge alcohol-induced liver injury. METHODS: In this study we investigated the effects of BCP on liver injury induced by chronic plus binge alcohol feeding in mice in vivo by using biochemical assays, real-time PCR and histology analyses...
January 20, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28107707/uremia-modulates-the-phenotype-of-aortic-smooth-muscle-cells
#2
Marie Madsen, Annemarie Aarup, Sebastian Albinsson, Karsten Hartvigsen, Charlotte M Sørensen, Karolina Turczynska, Lars B Nielsen, Tanja Xenia Pedersen
BACKGROUND AND AIMS: Chronic kidney disease leads to uremia and markedly accelerates atherosclerosis. Phenotypic modulation of smooth muscle cells (SMCs) in the arterial media plays a key role in accelerating atherogenesis. The aim of this study was to investigate whether uremia per se modulates the phenotype of aortic SMCs in vivo. METHODS: Moderate uremia was induced by 5/6 nephrectomy in apolipoprotein E knockout (ApoE(-/-)) and wildtype C57Bl/6 mice. Plasma analysis, gene expression, histology, and myography were used to determine uremia-mediated changes in the arterial wall...
December 23, 2016: Atherosclerosis
https://www.readbyqxmd.com/read/28107669/medical-comorbidity-in-bipolar-disorder-the-link-with-metabolic-inflammatory-systems
#3
REVIEW
Ana SayuriYamagata, Elisa Brietzke, Joshua D Rosenblat, Ron Kakar, Roger S McIntyre
BACKGROUND: Bipolar disorder (BD) is associated with chronic low-grade inflammation, several medical comorbidities and a decreased life expectancy. Metabolic-inflammatory changes have been postulated as one of the main links between BD and medical comorbidity, although there are few studies exploring possible mechanisms underlying this relationship. Therefore, the aims of the current narrative review were 1) synthesize the evidence for metabolic-inflammatory changes that may facilitate the link between medical comorbidity and BD and 2) discuss therapeutic and preventive implications of these pathways...
January 4, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28107636/visceral-white-adipose-tissue-following-chronic-intermittent-and-sustained-hypoxia-in-mice
#4
David Gozal, Alex Gileles-Hillel, Rene Cortese, Yan Li, Isaac Almendros, Zhuanhong Qiao, Ahamed A Khalyfa, Jorge Andrade, Abdelnaby Khalyfa
BACKGROUND: Angiogenesis, a process induced by hypoxia in visceral white adipose tissue (vWAT) in the context of obesity, mediates obesity-induced metabolic dysfunction and insulin resistance. Chronic intermittent hypoxia (IH) and sustained hypoxia (SH) induce body weight reductions and insulin resistance of differing magnitude, suggesting different HIF-1α-related activity. METHODS: 8-week old male C57BL/6J mice (n=10-12/group) were exposed to either IH, SH,or room air (RA)...
January 20, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28107583/chronic-hepatitis-c-and-chronic-kidney-disease-advances-limitations-and-unchartered-territories
#5
Manuel Mendizabal, K Rajender Reddy
Over the past few years, treatment options for chronic hepatitis C virus (HCV) infection have evolved dramatically. The current approved interferon-free direct-acting antiviral (DAA) regimens have been shown to be safe and effective with sustained virologic response (SVR) rates of >90% in most patients. Unique issues yet remain such as the challenges in patients with impaired renal function or decompensated cirrhosis. Patients with stage 4-5 chronic kidney disease (CKD) have a higher prevalence of HCV infection compared with the general population...
January 20, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28107568/oral-immunoglobulin-treatment-improved-intestinal-permeability-in-children-with-active-crohn-s-disease
#6
Tommy Sundqvist, Lars Stenhammar, Bo Tjellström, Karl-Eric Magnusson, Tony Forslund, Lotta Högberg
AIM: Crohn's disease (CD) is a chronic mucosal inflammation that affects the intestinal barrier function, for example by altering the intestinal permeability. This pilot clinical study investigated the impact of oral human immunoglobulin (OHIG) treatment on permeability characteristics in children with active luminal Crohn's disease. METHODS: The study was performed at the Department of Paediatrics, Norrköping Hospital, Sweden. Intestinal permeability was studied in three boys aged 13, 15 and 18 years with active CD, before and after a six-week treatment programme with OHIG, using different-sized polyethylene glycols the test molecules...
January 20, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28107529/complement-activation-and-stat4-expression-are-associated-with-early-inflammation-in-diabetic-wounds
#7
Kenji M Cunnion, Neel K Krishna, Haree K Pallera, Angela Pineros-Fernandez, Magdielis Gregory Rivera, Pamela S Hair, Brittany P Lassiter, Ryan Huyck, Mary A Clements, Antoinette F Hood, George T Rodeheaver, Patrick S Cottler, Jerry L Nadler, Anca D Dobrian
: Diabetic non-healing wounds are a major clinical problem. The mechanisms leading to poor wound healing in diabetes are multifactorial but unresolved inflammation may be a major contributing factor. The complement system (CS) is the most potent inflammatory cascade in humans and contributes to poor wound healing in animal models. Signal transducer and activator of transcription 4 (STAT4) is a transcription factor expressed in immune and adipose cells and contributes to upregulation of some inflammatory chemokines and cytokines...
2017: PloS One
https://www.readbyqxmd.com/read/28107378/polymorphisms-in-stat4-ptpn2-psors1c1-and-traf3ip2-genes-are-associated-with-the-response-to-tnf-inhibitors-in-patients-with-rheumatoid-arthritis
#8
Paola Conigliaro, Cinzia Ciccacci, Cristina Politi, Paola Triggianese, Sara Rufini, Barbara Kroegler, Carlo Perricone, Andrea Latini, Giuseppe Novelli, Paola Borgiani, Roberto Perricone
OBJECTIVE: Rheumatoid Arthritis (RA) is a progressive autoimmune disease characterized by chronic joint inflammation and structural damage. Remission or at least low disease activity (LDA) represent potentially desirable goals of RA treatment. Single nucleotide polymorphisms (SNPs) in several genes might be useful for prediction of response to therapy. We aimed at exploring 4 SNPs in candidate genes (STAT4, PTPN2, PSORS1C1 and TRAF3IP2) in order to investigate their potential role in the response to therapy with tumor necrosis factor inhibitors (TNF-i) in RA patients...
2017: PloS One
https://www.readbyqxmd.com/read/28107370/neuronal-injury-and-glial-changes-are-hallmarks-of-open-field-blast-exposure-in-swine-frontal-lobe
#9
Srinivasu Kallakuri, Alok Desai, Ke Feng, Sharvani Tummala, Tal Saif, Chaoyang Chen, Liying Zhang, John M Cavanaugh, Albert I King
With the rapid increase in the number of blast induced traumatic brain injuries and associated neuropsychological consequences in veterans returning from the operations in Iraq and Afghanistan, the need to better understand the neuropathological sequelae following exposure to an open field blast exposure is still critical. Although a large body of experimental studies have attempted to address these pathological changes using shock tube models of blast injury, studies directed at understanding changes in a gyrencephalic brain exposed to a true open field blast are limited and thus forms the focus of this study...
2017: PloS One
https://www.readbyqxmd.com/read/28107345/syk-regulates-neutrophilic-airway-hyper-responsiveness-in-a-chronic-mouse-model-of-allergic-airways-inflammation
#10
Sepehr Salehi, Xiaomin Wang, Stephen Juvet, Jeremy A Scott, Chung-Wai Chow
BACKGROUND: Asthma is a chronic inflammatory disease characterized by airways hyper-responsiveness (AHR), reversible airway obstruction, and airway inflammation and remodeling. We previously showed that Syk modulates methacholine-induced airways contractility in naïve mice and in mice with allergic airways inflammation. We hypothesize that Syk plays a role in the pathogenesis of AHR; this was evaluated in a chronic 8-week mouse model of house dust mite (HDM)-induced allergic airways inflammation...
2017: PloS One
https://www.readbyqxmd.com/read/28106828/bajijiasu-abrogates-osteoclast-differentiation-via-the-suppression-of-rankl-signaling-pathways-through-nf-%C3%AE%C2%BAb-and-nfat
#11
Guoju Hong, Lin Zhou, Xuguang Shi, Wei He, Haibin Wang, Qiushi Wei, Peng Chen, Longkai Qi, Jennifer Tickner, Li Lin, Jiake Xu
Pathological osteolysis is commonly associated with osteoporosis, bone tumors, osteonecrosis, and chronic inflammation. It involves excessive resorption of bone matrix by activated osteoclasts. Suppressing receptor activator of NF-κB ligand (RANKL) signaling pathways has been proposed to be a good target for inhibiting osteoclast differentiation and bone resorption. Bajijiasu-a natural compound derived from Morinda officinalis F. C. How-has previously been shown to have anti-oxidative stress property; however, its effect and molecular mechanism of action on osteoclastogenesis and bone resorption remains unclear...
January 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106826/colorectal-carcinoma-a-general-overview-and-future-perspectives-in-colorectal-cancer
#12
REVIEW
Inés Mármol, Cristina Sánchez-de-Diego, Alberto Pradilla Dieste, Elena Cerrada, María Jesús Rodriguez Yoldi
Colorectal cancer (CRC) is the third most common cancer and the fourth most common cause of cancer-related death. Most cases of CRC are detected in Western countries, with its incidence increasing year by year. The probability of suffering from colorectal cancer is about 4%-5% and the risk for developing CRC is associated with personal features or habits such as age, chronic disease history and lifestyle. In this context, the gut microbiota has a relevant role, and dysbiosis situations can induce colonic carcinogenesis through a chronic inflammation mechanism...
January 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106813/transcriptome-profiling-of-the-lungs-reveals-molecular-clock-genes-expression-changes-after-chronic-exposure-to-ambient-air-particles
#13
Pengcheng Song, Zhigang Li, Xiaoqian Li, Lixin Yang, Lulu Zhang, Nannan Li, Chen Guo, Shuyu Lu, Yongjie Wei
The symptoms of asthma, breathlessness, insomnia, etc. all have relevance to pulmonary rhythmic disturbances. Epidemiology and toxicology studies have demonstrated that exposure to ambient air particles can result in pulmonary dysfunction. However, there are no data directly supporting a link between air pollution and circadian rhythm disorder. In the present study, we found that breathing highly polluted air resulted in changes of the molecular clock genes expression in lung by transcriptome profiling analyses in a rodent model...
January 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28106794/a-thoroughly-validated-virtual-screening-strategy-for-discovery-of-novel-hdac3-inhibitors
#14
Huabin Hu, Jie Xia, Dongmei Wang, Xiang Simon Wang, Song Wu
Histone deacetylase 3 (HDAC3) has been recently identified as a potential target for the treatment of cancer and other diseases, such as chronic inflammation, neurodegenerative diseases, and diabetes. Virtual screening (VS) is currently a routine technique for hit identification, but its success depends on rational development of VS strategies. To facilitate this process, we applied our previously released benchmarking dataset, i.e., MUBD-HDAC3 to the evaluation of structure-based VS (SBVS) and ligand-based VS (LBVS) combinatorial approaches...
January 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106744/oligonucleotide-therapy-for-obstructive-and-restrictive-respiratory-diseases
#15
REVIEW
Wupeng Liao, Jinrui Dong, Hong Yong Peh, Lay Hong Tan, Kah Suan Lim, Li Li, Wai-Shiu Fred Wong
Inhaled oligonucleotide is an emerging therapeutic modality for various common respiratory diseases, including obstructive airway diseases like asthma and chronic obstructive pulmonary disease (COPD) and restrictive airway diseases like idiopathic pulmonary fibrosis (IPF). The advantage of direct accessibility for oligonucleotide molecules to the lung target sites, bypassing systemic administration, makes this therapeutic approach promising with minimized potential systemic side effects. Asthma, COPD, and IPF are common chronic respiratory diseases, characterized by persistent airway inflammation and dysregulated tissue repair and remodeling, although each individual disease has its unique etiology...
January 17, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28106731/hypoxia-inducible-factor-1%C3%AE-promotes-endogenous-adaptive-response-in-rat-model-of-chronic-cerebral-hypoperfusion
#16
Ying Yang, Jieyang Ju, Min Deng, Jing Wang, Hui Liu, Li Xiong, Junjian Zhang
Hypoxia inducible factor 1α (HIF-1α), a pivotal regulator of gene expression in response to hypoxia and ischemia, is now considered to regulate both pro-survival and pro-death responses depending on the duration and severity of the stress. We previously showed that chronic global cerebral hypoperfusion (CCH) triggered long-lasting accumulation of HIF-1α protein in the hippocampus of rats. However, the role of the stabilized HIF-1α in CCH is obscure. Here, we knock down endogenous HIF-1α to determine whether and how HIF-1α affects the disease processes and phenotypes of CCH...
January 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106291/ocular-effects-of-sulfur-mustard-and-therapeutic-approaches-a-review
#17
Yunes Panahi, Seyyed Mahdi Rajaee, Amirhossein Sahebkar
Sulfur mustard (SM) is a strong blistering, highly reactive, lipophilic chemical war agent that causes injury in different organs including the skin, eyes and respiratory tract. The Eyes are especially susceptible to the consequences of SM poisoning because of the aqueous and mucosal nature of conjunctiva and cornea. DNA alkylation and depletion of glutathione, are the most important mechanisms of SM action in the eye injuries. Acute clinical symptoms are including decrease in visual acuity, dryness, photophobia, blepharospasm, conjunctivitis and complaints of foreign body sensation and soreness that gradually progress to severe ocular pain...
January 20, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28106049/food-grade-tio2-impairs-intestinal-and-systemic-immune-homeostasis-initiates-preneoplastic-lesions-and-promotes-aberrant-crypt-development-in-the-rat-colon
#18
Sarah Bettini, Elisa Boutet-Robinet, Christel Cartier, Christine Coméra, Eric Gaultier, Jacques Dupuy, Nathalie Naud, Sylviane Taché, Patrick Grysan, Solenn Reguer, Nathalie Thieriet, Matthieu Réfrégiers, Dominique Thiaudière, Jean-Pierre Cravedi, Marie Carrière, Jean-Nicolas Audinot, Fabrice H Pierre, Laurence Guzylack-Piriou, Eric Houdeau
Food-grade titanium dioxide (TiO2) containing a nanoscale particle fraction (TiO2-NPs) is approved as a white pigment (E171 in Europe) in common foodstuffs, including confectionary. There are growing concerns that daily oral TiO2-NP intake is associated with an increased risk of chronic intestinal inflammation and carcinogenesis. In rats orally exposed for one week to E171 at human relevant levels, titanium was detected in the immune cells of Peyer's patches (PP) as observed with the TiO2-NP model NM-105. Dendritic cell frequency increased in PP regardless of the TiO2 treatment, while regulatory T cells involved in dampening inflammatory responses decreased with E171 only, an effect still observed after 100 days of treatment...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28105582/-control-of-opisthorchis-viverrini-infection-for-cholangiocarcinoma-prevention
#19
Y Buisson
The International Agency for Research on Cancer (IARC) has classified two liver flukes as carcinogenic to humans (Group 1): Opisthorchis viverrini in 1994 and Clonorchis sinensis in 2009. This review is focused on O. viverrini, the most studied of these two trematodes, which infects nearly 10 million people in Southeast Asia. The life cycle involves two intermediate hosts living in fresh water: a snail of the genus Bithynia and a ciprinid fish. The definitive hosts (human, cat, dog) become infected by ingesting raw fish containing metacercariae, the infective stage of the parasite...
January 19, 2017: Bulletin de la Société de Pathologie Exotique
https://www.readbyqxmd.com/read/28105371/unfolding-anti-tumor-immunity-er-stress-responses-sculpt-tolerogenic-myeloid-cells-in-cancer
#20
REVIEW
Juan R Cubillos-Ruiz, Eslam Mohamed, Paulo C Rodriguez
Established tumors build a stressful and hostile microenvironment that blocks the development of protective innate and adaptive immune responses. Different subsets of immunoregulatory myeloid populations, including dendritic cells, myeloid-derived suppressor cells (MDSCs) and macrophages, accumulate in the stressed tumor milieu and represent a major impediment to the success of various forms of cancer immunotherapy. Specific conditions and factors within tumor masses, including hypoxia, nutrient starvation, low pH, and increased levels of free radicals, provoke a state of "endoplasmic reticulum (ER) stress" in both malignant cells and infiltrating myeloid cells...
2017: Journal for Immunotherapy of Cancer
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