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Inflammation research

Carly B Garrison, Kristin J Lastwika, Yuzheng Zhang, Christopher I Li, Paul D Lampe
Proteomic studies can offer information on hundreds to thousands of proteins and potentially provide researchers with a comprehensive understanding of signaling response during stress and disease. Large datasets, such as those obtained in high-dimensional proteomic studies, can be leveraged for pathway analysis to discover or describe the biological implications of clinical disease states. Obesity is a worldwide epidemic that is considered a risk factor for numerous other diseases. We performed analysis on plasma proteomic data from 3 separate sample sets of post-menopausal women to identify the pathways that are altered in subjects with a high body mass index (BMI) compared to normal BMI...
October 21, 2016: Journal of Proteome Research
Carlota Saldanha
Nitric oxide (NO) produced by endothelial cells interacts with erythrocyte through band 3 protein, being scavenged by haemoglobin. A signal transduction mechanism involving protein Gi and protein band 3 stimulates erythrocyte NO efflux when acetylcholine (ACh) binds to erythrocyte membrane acetylcholinesterase. Binding of normal plasma fibrinogen (Fib) levels, to erythrocyte membrane CD47 decreases the NO efflux. When high Fib concentration and ACh were present the efflux of NO from erythrocytes was normalized...
October 20, 2016: Clinical Hemorheology and Microcirculation
Hans Lassmann, Monika Bradl
One of the most frequent statements, provided in different variations in the introduction of experimental studies on multiple sclerosis (MS), is that "Multiple sclerosis is a demyelinating autoimmune disease and experimental autoimmune encephalomyelitis (EAE) is a suitable model to study its pathogenesis". However, so far, no single experimental model covers the entire spectrum of the clinical, pathological, or immunological features of the disease. Many different models are available, which proved to be highly useful for studying different aspects of inflammation, demyelination, remyelination, and neurodegeneration in the central nervous system...
October 20, 2016: Acta Neuropathologica
Alexander N Shikov, Olga N Pozharitskaya, Valery G Makarov
PURPOSE: Aralia elata var. mandshurica (Rupr. & Maxim.) J.Wen syn. A. mandshurica Rupr. & Maxim is evaluated for its medicinal application. The aim of this study is to analyze pharmacological studies on A. elata var. mandshurica published until December 2015. METHODS: The information regarding the chemistry, safety, effectiveness, and pharmacological and clinical effects of A. elata was systematically collected from the scientific literature through library catalogs; online services such as E-library...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Joshua B Lewis, Dallin C Milner, Adam L Lewis, Todd M Dunaway, Kaleb M Egbert, Scott C Albright, Brigham J Merrell, Troy D Monson, Dallin S Broberg, Jason R Gassman, Daniel B Thomas, Juan A Arroyo, Paul R Reynolds
It has long been understood that increased epithelial permeability contributes to inflammation observed in many respiratory diseases. Recently, evidence has revealed that environmental exposure to noxious material such as cigarette smoke reduces tight junction barrier integrity, thus enhancing inflammatory conditions. Claudin-6 (Cldn6) is a tetraspanin transmembrane protein found within the tight junctional complex and is implicated in maintaining lung epithelial barriers. To test the hypothesis that increased Cldn6 ameliorates inflammation at the respiratory barrier, we utilized the Tet-On inducible transgenic system to conditionally over-express Clnd6 in the distal lung...
October 17, 2016: International Journal of Environmental Research and Public Health
Rodolfo Ciuffa, Etienne Caron, Alexander Leitner, Federico Uliana, Matthias Gstaiger, Ruedi Aebersold
NF-κB is a family of ubiquitous dimeric transcription factors that play a role in a myriad of cellular processes, ranging from differentiation to stress response and immunity. In inflammation, activation of NF-κB is mediated by pro-inflammatory cytokines, in particular the prototypic cytokines IL-1β and TNF-α, which trigger the activation of complex signaling cascades. In spite of decades of research, the system level understanding of TNF-α signaling is still incomplete. This is partially due to the limited knowledge at the proteome level...
October 20, 2016: Journal of Proteome Research
Balaji K Tamarappoo, Allan L Klein
Post-pericardiotomy syndrome (PPS) occurs in a subgroup of patients who have undergone cardiothoracic surgery and is characterized by fever, pleuritic pain, pleural effusion, and pericardial effusion. It is associated with significant morbidity, and the leading complications include tamponade and constrictive pericarditis. Epidemiologic studies have found that PPS often occurs among younger patients; however, there is a lack of comprehensive risk stratification. It is therefore important to be able to identify patients who are at high risk for developing this disease...
November 2016: Current Cardiology Reports
Sofia Sousa, Jorma Määttä
This overview addresses the recent research developments in the role of tumour-associated macrophages (TAM) in bone metastasis biology and management of breast and prostate cancer as well as in primary and lung metastatic osteosarcoma. Immunosuppressive M2-type TAMs have been shown to associate with poor prognosis. Throughout their life cycle, macrophages (Macs) can adapt to environmental cues and influence the surroundings by secreting different cytokines and enzymes crucial to matrix remodelling, infection fighting, immune regulation and/or inflammation...
September 2016: Journal of Bone Oncology
Agnes Gardet, Wei C Chou, Taylor L Reynolds, Diana B Velez, Kai Fu, Julia M Czerkowicz, Jeffrey Bajko, Ann M Ranger, Normand Allaire, Hannah M Kerns, Sarah Ryan, Holly M Legault, Robert W Dunstan, Robert Lafyatis, Matvey Lukashev, Joanne L Viney, Jeffrey L Browning, Dania Rabah
Mouse models lupus nephritis (LN) have provided important insights into disease pathogenesis, although none have been able to recapitulate all features of the human disease. Using comprehensive longitudinal analyses, we characterized a novel accelerated mouse model of lupus using pristane treatment in SNF1 (SWR X NZB F1) lupus prone mice (pristane-SNF1 mice). Pristane treatment in SNF1 mice accelerated the onset and progression of proteinuria, autoantibody production, immune complex deposition and development of renal lesions...
2016: PloS One
Tatsuya Kondo, Rieko Goto, Kaoru Ono, Sayaka Kitano, Mary Ann Suico, Miki Sato, Motoyuki Igata, Junji Kawashima, Hiroyuki Motoshima, Takeshi Matsumura, Hirofumi Kai, Eiichi Araki
Activation of heat shock response (HSR) improves accumulated visceral adiposity and metabolic abnormalities in type 2 diabetes. To identify the optimal intervention strategy of the activation of the HSR provided by mild electrical stimulation (MES) with heat shock (HS) in type 2 diabetes. This study was a prospective, frequency-escalating, randomized, open-label, triple-arm trial in Japan. A total of 60 obese type 2 diabetes patients were randomized into three groups receiving two, four, or seven treatments per week for 12 weeks...
October 19, 2016: Scientific Reports
Cong Ming-Hua, Zou Bao-Hua, Yu Lei
Anorexia cancer cachexia syndrome is prevalent in advanced cancer patients, which is featured by anorexia, decreased dietary intake, body weight loss (skeletal muscle mass loss), and unable to be reversed by routine nutritional support therapy. Up to now, the main mechanisms involved in cancer cachexia include excessive systemic inflammation, which is represented by increased plasma levels of IL-1, IL-6, TNF-alpha, tumor-induced factors, such as PIF and LMF. These factors eventually act on orexigenic and anorexigenic neurons located in hypothalamus or protein and lipid metabolism of peripheral tissues, which lead to anorexia, decreased dietary intake, enhanced basic metabolism rate and hyper catabolism...
October 18, 2016: Current Pharmaceutical Biotechnology
Catarina Francisco, João Sérgio Neves, Inês Falcão-Pires, Adelino Leite-Moreira
Adiponectin is the most abundant adipokine and exhibits anti-inflammatory, antiatherogenic and antidiabetic properties. Unlike other adipokines, it inversely correlates with body weight and obesity-linked cardiovascular complications. Diastolic dysfunction is the main mechanism responsible for approximately half of all heart failure cases, the so-called heart failure with preserved ejection fraction (HFpEF), but therapeutic strategies specifically directed towards these patients are still lacking. In the last years, a link between adiponectin and diastolic dysfunction has been suggested...
October 18, 2016: Cardiovascular Drugs and Therapy
Zhaleh Shariati Sarabi, Mehran Ghazi Saeidi, Mandana Khodashahi, Ali Etemad Rezaie, Kamila Hashemzadeh, Rozita Khodashahi, Hossein Heidari
BACKGROUND: Rheumatoid arthritis (RA) is a chronic inflammatory joint disorder with unknown etiology. Atorvastatin is a lipid-lowering agent that affects the inflammatory processes. OBJECTIVE: This study aimed to determine the anti-inflammatory effects of atorvastatin on the Disease Activity Index and high-density lipoprotein (HDL) concentrations in RA patients. METHODS: This clinical trial was performed on 38 RA patients, who were referred to the Imam Reza and Ghaem Medical Centers of Mashhad, Iran between 2013 and 2014...
August 2016: Electronic Physician
Rahul Motiram Kakalij, B Dinesh Kumar, Prakash Vamanrao Diwan
OBJECTIVE: The objective of this study was to evaluate the nephroprotective potential of resveratrol and piperine at same dose on cationic bovine serum albumin (cBSA) induced immune complex glomerulonephritis (ICGN) in BALB/c mice. MATERIALS AND METHODS: Female BALB/c mice were divided into five groups. Group I served as normal control (complete Freund's adjuvant + Saline). Two weeks later, Groups II, III, IV, and V were administered cBSA (13 mg/kg) via the caudal vein 3 times/week every alternative day for 6 weeks to induce ICGN...
July 2016: Indian Journal of Pharmacology
Zhenlong Liu, Xiaoqing Hu, Zhentao Man, Jiying Zhang, Yanfang Jiang, Yingfang Ao
Though many surgical animal models have been used to induce osteoarthritis (OA) of the knee joint, they always open the capsule of the joint. Any surgical procedures that incises the capsule may cause inflammation, pain, and possibly altered gait. One common disadvantage of these surgically induced animal models is that they may affect the initial structures and synovial fluid in joint. These animal models may not be suitable for research into synovial fluid changes during early OA. This study aimed to create an animal model of early OA by resecting the medial collateral ligament (MCL) outside of the capsule...
October 19, 2016: Scientific Reports
Shuai Jiang, Yang Yang, Tian Li, Zhiqiang Ma, Wei Hu, Chao Deng, Chongxi Fan, Jianjun Lv, Yang Sun, Wei Yi
Nuclear factor erythroid 2-related factor 2 (Nrf2) is a basic leucine zipper (bZIP) transcription factor of the cap'n'collar (CNC) family that is present in various organs. The cardiovascular system (CVS) is susceptible to a spectrum of diseases that are strongly associated with increased risks of mortality and morbidity, and studies have demonstrated that Nrf2 has a pivotal role in protection against cardiovascular diseases (CVDs). Areas covered: Nrf2 is a basic protective molecule that guards against CVD by attenuating oxidative stress, mitochondrial dysfunction, and inflammation...
October 19, 2016: Expert Opinion on Therapeutic Targets
Svatopluk Binder, Adéla Hanáková, Kristína Tománková, Klára Pížová, Robert Bajgar, Barbora Manišová, Kristina Kejlová, Hana Bendová, Dagmar Jírová, Hana Kolářová
AIM: Natural or artificial substances have become an inseparable part of our lives. It is questionable whether adequate testing has been performed in order to ensure these substances do not pose a serious health risk. The principal aim of our research was to clarify the potential risk of adding essential oils to food, beverages and cosmetic products. METHODS: The toxicity of substances frequently employed in cosmetics, aromatherapy and food industry (bergamot oil, Litsea cubeba oil, orange oil, citral) were investigated using cell line NIH3T3 (mouse fibroblasts) with/without UV irradiation...
September 2016: Central European Journal of Public Health
Marta Flis, Kinga Szymona, Justyna Morylowska-Topolska, Anna Urbańska, Paweł Krukow, Martyna Kandefer-Szerszeń, Barbara Zdzisińska, Ewa M Urbańska, Hanna Karakuła-Juchnowicz
Kynurenic acid (KYNA) is a neuroactive metabolite of tryptophan formed in the brain and in the periphery, known to block ionotropic glutamate receptors and α7 nicotinic receptors, and to act as a ligand of G protein-coupled GPR35 receptors and human aryl hydrocarbon (AHR) receptors. KYNA seems to modulate a number of mechanisms involved in the pathogenesis of schizophrenia including dopaminergic transmission in mesolimbic and mesocortical areas or glutamatemediated neurotransmission. The kynurenine hypothesis of schizophrenia links the occurrence of positive and negative symptoms of schizophrenia and cognitive impairments characteristic for the disease with the disturbances of kynurenine pathway function...
September 29, 2016: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
Stephanie M Dillon, Daniel N Frank, Cara C Wilson
HIV-1 infection is associated with substantial damage to the gastrointestinal (GI) tract resulting in structural impairment of the epithelial barrier and a disruption of intestinal homeostasis. The accompanying translocation of microbial products and potentially microbes themselves from the lumen into systemic circulation has been linked to immune activation, inflammation, and HIV-1 disease progression. The importance of microbial translocation in the setting of HIV-1 infection has led to a recent focus on understanding how the communities of microbes that make up the intestinal microbiome are altered during HIV-1 infection and how they interact with mucosal immune cells to contribute to inflammation...
October 14, 2016: AIDS
Zygmunt Warzecha, Paweł Sendur, Piotr Ceranowicz, Marcin Dembiński, Jakub Cieszkowski, Beata Kuśnierz-Cabala, Rafał Olszanecki, Romana Tomaszewska, Tadeusz Ambroży, Artur Dembiński
: Coagulation is recognized as a key player in inflammatory and autoimmune diseases. The aim of the current research was to examine the effect of pretreatment with acenocoumarol on the development of acute pancreatitis (AP) evoked by cerulein. METHODS: AP was induced in rats by cerulein administered intraperitoneally. Acenocoumarol (50, 100 or 150 µg/kg/dose/day) or saline were given once daily for seven days before AP induction. RESULTS: In rats with AP, pretreatment with acenocoumarol administered at the dose of 50 or 100 µg/kg/dose/day improved pancreatic histology, reducing the degree of edema and inflammatory infiltration, and vacuolization of acinar cells...
October 12, 2016: International Journal of Molecular Sciences
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