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https://www.readbyqxmd.com/read/28343084/role-of-pterostilbene-in-attenuating-immune-mediated-devastation-of-pancreatic-beta-cells-via-nrf2-signaling-cascade
#1
Dornadula Sireesh, Munuswamy-Ramanujam Ganesh, Umapathy Dhamodharan, Murugesan Sakthivadivel, Srinivasan Sivasubramanian, Palani Gunasekaran, Kunka Mohanram Ramkumar
Nrf2 (nuclear factor erythroid 2-related factor-2) is a transcription factor that regulates oxidative/xenobiotic stress response and also suppress inflammation. Nrf2 signaling is associated with an increased susceptibility to various kinds of stress. Nrf2 has been shown as a promising therapeutic target in various human diseases including diabetes. Our earlier studies showed Pterostilbene (PTS) as a potent Nrf2 activator, and it protects the pancreatic β-cells against oxidative stress. In this study, we investigated PTS confer protection against cytokine-induced β-cell apoptosis and its role on insulin secretion in streptozotocin (STZ)-induced diabetic mice...
March 6, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28343068/the-role-of-trail-in-fatigue-induced-by-repeated-stress-from-radiotherapy
#2
Li Rebekah Feng, Simeng Suy, Sean P Collins, Leorey N Saligan
Fatigue is one of the most common and debilitating side effects of cancer and cancer treatment, and yet its etiology remains elusive. The goal of this study is to understand the role of chronic inflammation in fatigue following repeated stress from radiotherapy. Fatigue and non-fatigue categories were assessed using ≥ 3-point change in Functional Assessment of Cancer Therapy-Fatigue questionnaire (FACT-F) administered to participants at baseline/before radiotherapy and one year post-radiotherapy. Whole genome microarray and cytokine multiplex panel were used to examine fatigue-related transcriptome and serum cytokine changes, respectively...
March 20, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28342988/an-anti-inflammatory-dietary-intervention-to-reduce-breast-cancer-recurrence-risk-study-design-and-baseline-data
#3
Amelie G Ramirez, Dorothy Long Parma, Edgar Muñoz, Kristin D Mendoza, Crystel Harb, Alan E C Holden, Michael Wargovich
U.S. breast cancer survivors (BCSs) are expected to increase to 4 million in the next 5-10years. Cancer recurrence risk is highest among obese survivors. Inflammatory (Pro-I) biomarkers including C-reactive protein (CRP), Interleukins -3, -6, and -8 (IL-3, IL-6, IL-8), and Tumor Necrosis Factor (TNF)-α have been associated with cancer recurrence risk. Nutritional interventions aimed at reducing inflammation (INF) may contribute to reduced cancer recurrence risk, but studies have been limited to animal models...
March 22, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28342910/receptor-interacting-protein-kinase-3-controls-keratinocyte-activation-in-a-necroptosis-independent-manner-and-promotes-psoriatic-dermatitis-in-mice
#4
Tetsuya Honda, Osamu Yamamoto, Yu Sawada, Gyohei Egawa, Akihiko Kitoh, Atsushi Otsuka, Teruki Dainichi, Saeko Nakajima, Yoshiki Miyachi, Kenji Kabashima
RIPK3 in keratinocytes facilitates psoriatic inflammation by promoting cytokine and chemokine production, independent of the induction of necroptosis. Control of RIPK3 activation may be a novel therapeutic target for psoriasis.
March 22, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28342874/activation-of-ppar%C3%AE-inhibits-pro-inflammatory-cytokines-production-by-upregulation-of-mir-124-in-vitro-and-in-vivo
#5
Dan Wang, Liuyan Shi, Wei Xin, Jiancheng Xu, Jing Xu, Qi Li, Zhi Xu, Jianchun Wang, Guansong Wang, Wei Yao, Binfeng He, Yu Yang, Mingdong Hu
Peroxisome proliferator-activated receptor gamma (PPARγ) and miR-124 have been reported to play important roles in regulation of inflammation. However, the underlying anti-inflammatory mechanisms remain not well understood. In the present study, we demonstrated that the expression level of PPARγ is positively correlated with that of miR-124 in patients with sepsis. Activation of PPARγ upregulates miR-124 and in turn inhibits miR-124 target gene. PPARγ bound directly to PPRE in the miR-124 promoter region, and enhanced the promoter transcriptional activity...
March 22, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28342859/hydroethanolic-extract-from-echinodorus-scaber-rataj-leaves-inhibits-inflammation-in-ovalbumin-induced-allergic-asthma
#6
Suellen Iara Guirra Rosa, Fabrício Rios-Santos, Sikiru Olaitan Balogun, Danielle Ayr Tavares de Almeida, Amilcar Sabino Damazo, Thais Campos Dias da Cruz, Eduarda Pavan, Robson Dos Santos Barbosa, Tarso da Costa Alvim, Ilsamar Mendes Soares, Sérgio Donizeti Ascêncio, Antonio Macho, Domingos Tabajara de Oliveira Martins
ETHNOPHARMACOLOGICAL RELEVANCE: Echinodorus scaber, Alismataceae, is popularly known in Brazil as "chapéu-de-couro". The plant leaves are used by the population as decoction, infusion, or maceration in bottled spirits, to treat inflammatory respiratory diseases. AIM OF THE STUDY: To investigate the anti-inflammatory mechanism of the hydroethanolic extract of leaves of Echinodorus scaber (HEEs) in allergic asthma. A phytochemical analysis of the extract was performed as well...
March 22, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28342781/modulation-of-neuroinflammation-the-role-and-therapeutic-potential-of-transient-receptor-potential-vanilloid-1-in-neuro-immune-axis
#7
REVIEW
Wei-Lin Kong, Yuan-Yuan Peng, Bi-Wen Peng
Transient receptor potential vanilloid type 1 channel (TRPV1), as a ligand-gated non-selective cation channel, has recently been demonstrated to have wide expression in the neuro-immune axis, where its multiple functions occur through regulation of both neuronal and non-neuronal activities. Growing evidence has suggested that TRPV1 is functionally expressed in glial cells, especially in the microglia and astrocytes. Glial cells perform immunological functions in response to pathophysiological challenges through pro-inflammatory or anti-inflammatory cytokines and chemokines in which TRPV1 is involved...
March 22, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28342759/activation-of-epithelial-stat1-by-interleukin-28-controls-mucosal-healing-in-mice-with-colitis-and-is-increased-in-mucosa-of-patients-with-inflammatory-bowel-disease
#8
Mircea T Chiriac, Barbara Buchen, Alexandra Wandersee, Gheorghe Hundorfean, Claudia Günther, Yvonne Bourjau, Sean E Doyle, Benjamin Frey, Arif B Ekici, Christian Büttner, Benno Weigmann, Raja Atreya, Stefan Wirtz, Christoph Becker, Jürgen Siebler, Markus F Neurath
BACKGROUND & AIMS: We investigated the roles of interleukin 28A (also called IL28A or interferon lambda 2) in intestinal epithelial cell (IEC) activation, studying its effects in mouse models of inflammatory bowel diseases (IBD) and intestinal mucosal healing. METHODS: Colitis was induced in C57BL/6JCrl mice (controls), mice with intestinal epithelial cell-specific disruption of Stat1 (Stat1IEC-KO), mice with disruption of the interferon lambda receptor 1 gene (Il28ra-/-), and mice with disruption of the interferon regulatory factor 3 gene (Irf3-/-), with or without disruption of Irf7 (Irf7-/-)...
March 22, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28342364/therapeutic-effect-of-quercetin-in-collagen-induced-arthritis
#9
Nagaraja Haleagrahara, Socorro Miranda-Hernandez, Md Abdul Alim, Linda Hayes, Guy Bird, Natkunam Ketheesan
Quercetin, a bioactive flavonoid with anti-inflammatory, immunosuppressive, and protective properties, is a potential agent for the treatment of rheumatoid arthritis (RA). Collagen-induced arthritis (CIA) is the most commonly used animal model for studying the pathogenesis of RA. This study analysed the therapeutic role of quercetin in collagen-induced arthritis in C57BL/6 mice. The animals were allocated into five groups that were subjected to the following treatments: negative (untreated) control, positive control (arthritis-induced), arthritis+methotrexate, arthritis+quercetin, and arthritis+methotrexate+quercetin...
March 22, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28340076/cisplatin-induced-renal-inflammation-is-ameliorated-by-cilastatin-nephroprotection
#10
Blanca Humanes, Sonia Camaño, Jose Manuel Lara, Venkatta Sabbisetti, María Ángeles González-Nicolás, Joseph V Bonventre, Alberto Tejedor, Alberto Lázaro
Background.: Cisplatin is a potent chemotherapeutic drug whose nephrotoxic effect is a major complication and a dose-limiting factor for antitumoral therapy. There is much evidence that inflammation contributes to the pathogenesis of cisplatin-induced nephrotoxicity. We found that cilastatin, a renal dehydropeptidase-I inhibitor, has protective effects in vitro and in vivo against cisplatin-induced renal damage by inhibiting apoptosis and oxidation. Here, we investigated the potential use of cilastatin to protect against cisplatin-induced kidney injury and inflammation in rats...
March 11, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28339618/telomere-length-oxidative-stress-inflammation-and-bdnf-levels-in-siblings-of-patients-with-bipolar-disorder-implications-for-accelerated-cellular-aging
#11
Mirela Paiva Vasconcelos-Moreno, Gabriel Rodrigo Fries, Carolina Gubert, Bárbara Tietböhl Martins Quadros Dos Santos, Adam Fijtman, Juliana Sartori, Pamela Ferrari, Lucas Kich Grun, Mariana Migliorini Parisi, Fátima Theresinha Costa Rodrigues Guma, Florencia Maria Barbé-Tuana, Flávio Kapczinski, Adriane Ribeiro Rosa, Lakshmi N Yatham, Marcia Kauer-Sant'Anna
Background: Growing evidence supports the existence of neurobiological trait abnormalities in individuals at genetic risk for bipolar disorder. The aim of this study was to examine potential differences in brain-derived neurotrophic factor, cytokines, oxidative stress, and telomere length markers between patients with bipolar disorder, their siblings, and healthy controls. Methods: Thirty-six patients with bipolar disorder type I, 39 siblings, and 44 healthy controls were assessed...
January 30, 2017: International Journal of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28339054/overexpression-of-tim-3-reduces-helicobacter-pylori-associated-inflammation-through-tlr4-nf%C3%AE%C2%BAb-signaling-in%C3%A2-vitro
#12
Fucai Wang, Zhirong Mao, Dongsheng Liu, Jing Yu, Youhua Wang, Wen Ye, Dongjia Lin, Nanjin Zhou, Yong Xie
The present study aimed to investigate the interaction between T-cell immunoglobulin and mucin-domain-containing molecule-3 (Tim-3) and Toll-like receptor 4 (TLR4)/nuclear factor κB (NF‑κB) signaling in Helicobacter pylori-infected RAW264.7 macrophage cells. RAW264.7 cells were co‑cultured with H. pylori SS1 at different bacteria/cell ratios, and subsequently the mRNA expression of Tim‑3, TLR4, and myeloid differentiation factor 88 (MyD88) was measured by reverse transcription-quantitative polymerase chain reaction (RT‑qPCR)...
March 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28339016/paeonol-ameliorates-imiquimod-induced-psoriasis-like-skin-lesions-in-balb-c-mice-by-inhibiting-the-maturation-and-activation-of-dendritic-cells
#13
Yujiao Meng, Mingxing Wang, Xiangjiang Xie, Tingting Di, Jingxia Zhao, Yan Lin, Xiaolong Xu, Ningfei Li, Yating Zhai, Yan Wang, Ping Li
Paeonol, an active component derived from the traditional Chinese medicine Cortex Moutan, possesses anti-inflammatory, analgesic, antioxidant and anti-allergic properties. Psoriasis is a chronic, recurrent, inflammatory dermatosis accompanied by excessive activation of Toll‑like receptors (TLRs) in dendritic cells (DCs), which are primarily responsible for initiating an immune response. We investigated the effect of paeonol on inflammation in an imiquimod (IMQ)-induced psoriasis-like mouse model and murine bone marrow-derived dendritic cells (BMDCs) stimulated by R848...
March 21, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28338973/inflammation-autoimmunity-and-hypertension-the-essential-role-of-tissue-transglutaminase
#14
Chen Liu, Rodney E Kellems, Yang Xia
Inflammatory cytokines cause hypertension when introduced into animals. Additional evidence indicates that cytokines induce the production of autoantibodies that activate the AT1 angiotensin receptor (AT1R). Extensive evidence shows that these autoantibodies, termed AT1-AA, contribute to hypertension. We review here recent studies showing that cytokine-induced hypertension and AT1-AA production require the ubiquitous enzyme, tissue transglutaminase (TG2). We consider 3 mechanisms by which TG2 may contribute to hypertension...
March 13, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28338748/role-of-scavenger-receptors-as-damage-associated-molecular-pattern-receptors-in-toll-like-receptor-activation
#15
Kyoko Komai, Takashi Shichita, Minako Ito, Mitsuhiro Kanamori, Shunsuke Chikuma, Akihiko Yoshimura
Damage-associated molecular patterns (DAMPs) have been implicated in sterile inflammation in various tissue injuries. High-mobility group box 1 (HMGB1) is a representative DAMP, and has been shown to transmit signals through receptors for advanced glycation end products (RAGEs) and TLRs, including TLR2 and TLR4. HMGB1 does not, however, bind to TLRs with high affinity; therefore, the mechanism of HMGB1-mediated TLR activation remains unclear. In this study, we found that fluorescently labeled HMGB1 was efficiently internalized into macrophages through class A scavenger receptors...
February 24, 2017: International Immunology
https://www.readbyqxmd.com/read/28338619/role-and-function-of-a2a-and-a%C3%A2-adenosine-receptors-in-patients-with-ankylosing-spondylitis-psoriatic-arthritis-and-rheumatoid-arthritis
#16
Annalisa Ravani, Fabrizio Vincenzi, Alessandra Bortoluzzi, Melissa Padovan, Silvia Pasquini, Stefania Gessi, Stefania Merighi, Pier Andrea Borea, Marcello Govoni, Katia Varani
Rheumatoid arthritis (RA), ankylosing spondylitis (AS) and psoriatic arthritis (PsA) are chronic inflammatory rheumatic diseases that affect joints, causing debilitating pain and disability. Adenosine receptors (ARs) play a key role in the mechanism of inflammation, and the activation of A2A and A₃AR subtypes is often associated with a reduction of the inflammatory status. The aim of this study was to investigate the involvement of ARs in patients suffering from early-RA (ERA), RA, AS and PsA. Messenger RNA (mRNA) analysis and saturation binding experiments indicated an upregulation of A2A and A₃ARs in lymphocytes obtained from patients when compared with healthy subjects...
March 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28338081/a-distinct-bacterial-dysbiosis-associated-skin-inflammation-in-ovine-footrot
#17
Grazieli Maboni, Adam Blanchard, Sara Frosth, Ceri Stewart, Richard Emes, Sabine Tötemeyer
Ovine footrot is a highly prevalent bacterial disease caused by Dichelobacter nodosus and characterised by the separation of the hoof horn from the underlying skin. The role of innate immune molecules and other bacterial communities in the development of footrot lesions remains unclear. This study shows a significant association between the high expression of IL1β and high D. nodosus load in footrot samples. Investigation of the microbial population identified distinct bacterial populations in the different disease stages and also depending on the level of inflammation...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28337940/genome-wide-analysis-of-lps-induced-inflammatory-response-in-the-rat-ventral-hippocampus-modulatory-activity-of-the-antidepressant-agomelatine
#18
Andrea Carlo Rossetti, Maria Serena Paladini, Giorgio Racagni, Marco Andrea Riva, Annamaria Cattaneo, Raffaella Molteni
OBJECTIVES: Several studies reported that antidepressant drugs have immune-regulatory effects by acting on specific inflammatory mediators. However, considering the highly complex nature of the inflammatory response, we have adopted an unbiased genome-wide strategy to investigate the immune-regulatory activity of the antidepressant agomelatine in modulating the response to an acute inflammatory challenge. METHODS: Microarray analysis was used to identify genes modulated in the ventral hippocampus of adult rats chronically treated with agomelatine (40 mg/kg, os) before being challenged with a single injection of lipopolysaccharide (LPS; 250 μg/kg, i...
March 24, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28337868/inflammation-in-lung-after-acute-myocardial-infarction-is-induced-by-dendritic-cell-mediated-immune-response
#19
L J Hu, W Y Ren, Q J Shen, H Y Ji, L Zhu
The present study was performed to describe the changes of lung tissues in mice with acute myocardial infarction (AMI) and also explain the cell mechanism involved in inflammation in lung. AMI was established by left coronary ligation in mice. Then mice were divided into three groups: control group, MW1 group (sampling after surgery for one week) and MW2 group (sampling after surgery for two weeks). Afterwards, measurement of lung weight and lung histology, cell sorting in bronchoalveolar lavage (BAL) fluid and detection of several adhesive molecules, inflammatory molecules as well as enzyme associated with inflammation were performed...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337867/psychological-stress-activates-mast-cell-inflammation-role-of-il-1-and-its-inhibitor
#20
C Conti, Al Caraffa, S K Kritas, G Ronconi, M Fulcheri
The major aim of this study is to provide a review of the research studies regarding the clinical link between alexithymia and interleukins (IL). We performed a search for the relevant literature in PubMed, Scopus, ScienceDirect, and Google Scholar by using search terms as "alexithymia" combined with "interleukin or IL". A total of 9 original research studies were identified and included. Alexithymia was found to be prevalent in inflammatory response and associated with inflammatory cytokines. Our review emphasized for the first time the relationships of alexithymia with inflammatory response mediated by IL-1 family members...
January 2017: Journal of Biological Regulators and Homeostatic Agents
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