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https://www.readbyqxmd.com/read/29776417/sinomenine-exerts-anticonvulsant-profile-and-neuroprotective-activity-in-pentylenetetrazole-kindled-rats-involvement-of-inhibition-of-nlrp1-inflammasome
#1
Bo Gao, Yu Wu, Yuan-Jian Yang, Wei-Zu Li, Kun Dong, Jun Zhou, Yan-Yan Yin, Da-Ke Huang, Wen-Ning Wu
BACKGROUND: Epilepsy is a common neurological disorder and is not well controlled by available antiepileptic drugs (AEDs). Inflammation is considered to be a critical factor in the pathophysiology of epilepsy. Sinomenine (SN), a bioactive alkaloid with anti-inflammatory effect, exerts neuroprotective activity in many nervous system diseases. However, little is known about the effect of SN on epilepsy. METHODS: The chronic epilepsy model was established by pentylenetetrazole (PTZ) kindling...
May 18, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29775613/suppression-of-nlrp3-inflammasome-attenuates-stress-induced-depression-like-behavior-in-nlgn3-deficient-mice
#2
Ze-Qun Li, Zhi-Yuan Yan, Bo-Jun Lan, Yi-Qun Dong, Ye Xiong
Depression, regulated by central nervous system (CNS), is a significant inflammatory disorder. Neuroligin3 (NLGN3) has been implicated in brain functions. In the study, a chronic unpredictable mild stress (CUMS) model in wild type (WT) or NLGN3-knockout (KO) mice was established to explore the role of NLGN3 in regulating depression and to reveal the underlying molecular mechanism. The results indicated that NLGN3-knockout markedly reversed the loss of body weight, the reduction of sucrose consumption, the decrease of immobile time in the forced swimming tests (FST) and tail suspension tests (TST) induced by CUMS paradigm...
May 15, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29774640/regulatory-roles-of-flavonoids-on-inflammasome-activation-during-inflammatory-responses
#3
REVIEW
Young-Su Yi
Inflammation is an innate immune response to noxious stimuli to protect the body from pathogens and dangers. Inflammatory responses consist of two main steps: priming and triggering. In priming, inflammatory cells increase expressions of inflammatory molecules, while in triggering, inflammasomes are activated, resulting in cell death and pro-inflammatory cytokine secretion. Inflammasomes are protein complexes comprising intracellular pattern recognition receptors (PRRs) (e.g. nucleotide-binding oligomerization domain-like receptors (NLRs), absent in melanoma 2 (AIM2), and caspases-4/5/11) and pro-caspase-1 with or without a bipartite adaptor molecule ASC...
May 17, 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29774028/nlrp3-inflammasome-and-caspase-1-11-pathway-orchestrate-different-outcomes-in-the-host-protection-against-trypanosoma-cruzi-acute-infection
#4
Augusto F Paroli, Patricia V Gonzalez, Cintia Díaz-Luján, Luisina I Onofrio, Alfredo Arocena, Roxana C Cano, Eugenio A Carrera-Silva, Susana Gea
Infection with protozoan parasite Trypanosoma cruzi results in activation of nucleotide-binding domain and leucine-rich repeat containing receptors (NLRs). NLR activation leads to inflammasome formation, the activation of caspase-1, and the subsequent cleavage of IL-1β and IL-18. Considering that inflammasome activation and IL-1β induction by macrophages are key players for an appropriate T cell response, we investigated the relevance of NLR pyrin domain-containing 3 (NLRP3) and caspase-1/11 to elucidate their roles in the induction of different T cell phenotypes and the relationship with parasite load and hepatic inflammation during T...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29773990/atorvastatin-inhibits-inflammatory-response-attenuates-lipid-deposition-and-improves-the-stability-of-vulnerable-atherosclerotic-plaques-by-modulating-autophagy
#5
Shi Peng, Long-Wei Xu, Xin-Yu Che, Qing-Qing Xiao, Jun Pu, Qin Shao, Ben He
Atherosclerosis is a chronic disease comprising intima malfunction and arterial inflammation. Recent studies have demonstrated that autophagy could inhibit inflammatory response in atherosclerosis and exert subsequent atheroprotective effects. Our previous study also demonstrated the role of autophagy in the inhibition of inflammation by atorvastatin in vitro . Therefore, in the present study, we aimed to determine whether atorvastatin could upregulate autophagy to inhibit inflammatory cytokines secretion, lipid accumulation, and improve vulnerable plaque stability, both in vitro and in vivo ...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29771438/methylene-blue-attenuates-renal-ischemia-reperfusion-injury-by-negative-regulation-of-nlrp3-signaling-pathway
#6
J-J Liu, L Lu, F-Q Hu, H Yuan, Q Xu, Y-F Qin, J-H Gong
OBJECTIVE: To investigate the effect of methylene blue (MB) on renal ischemia-reperfusion (IR) injury in mice and its possible relevant mechanisms. MATERIALS AND METHODS: A total of 30 male C57/BL6 mice aged 4 months old were randomly divided into the following three groups: Sham group (n=10), IR group (n=10), and MB group (n=10). Mice in MB group were treated with gavage continuously using methylene blue solution (dosage: 25 mg·kg-1·d-1) until they were 7 months old...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29769797/protective-effects-of-erigeron-breviscapus-hand-mazz-ebhm-extract-in-retinal-neurodegeneration-models
#7
Jingyuan Zhu, Li Chen, Yun Qi, Jing Feng, Li Zhu, Yujing Bai, Huijuan Wu
Purpose: To investigate the neuroprotective effects of scutellarin, an active component of the multifunctional traditional Chinese herb Erigeron breviscapus (vant.) Hand.-Mazz. (EBHM), which has been used as a neuroprotective therapy for cerebrovascular diseases. We performed the experiments using in vitro and in vivo models of retinal neurodegeneration. Methods: In the in vitro experiments, we exposed BV-2 cells to low oxygen levels in an incubator for 24 and 48 h to generate hypoxia models...
2018: Molecular Vision
https://www.readbyqxmd.com/read/29768502/interferon-lambda-is-required-for-interferon-gamma-expressing-nk-cell-responses-but-does-not-afford-antiviral-protection-during-acute-and-persistent-murine-cytomegalovirus-infection
#8
Silvia Gimeno Brias, Morgan Marsden, Jessica Forbester, Mathew Clement, Cordelia Brandt, Katherine Harcourt, Leanne Kane, Lucy Chapman, Simon Clare, Ian R Humphreys
Interferon lambda (IFNλ) is a group of cytokines that belong to the IL-10 family. They exhibit antiviral activities against certain viruses during infection of the liver and mucosal tissues. Here we report that IFNλ restricts in vitro replication of the β-herpesvirus murine cytomegalovirus (mCMV). However, IFNλR1-deficient (Ifnλr1-/-) mice were not preferentially susceptible to mCMV infection in vivo during acute infection after systemic or mucosal challenge, or during virus persistence in the mucosa. Instead, our studies revealed that IFNλ influences NK cell responses during mCMV infection...
2018: PloS One
https://www.readbyqxmd.com/read/29768210/engineered-tumor-targeted-t-cells-mediate-enhanced-anti-tumor-efficacy-both-directly-and-through-activation-of-the-endogenous-immune-system
#9
Mauro P Avanzi, Oladapo Yeku, Xinghuo Li, Dinali P Wijewarnasuriya, Dayenne G van Leeuwen, Kenneth Cheung, Hyebin Park, Terence J Purdon, Anthony F Daniyan, Matthew H Spitzer, Renier J Brentjens
Chimeric antigen receptor (CAR) T cell therapy has proven clinically beneficial against B cell acute lymphoblastic leukemia and non-Hodgkin's lymphoma. However, suboptimal clinical outcomes have been associated with decreased expansion and persistence of adoptively transferred CAR T cells, antigen-negative relapses, and impairment by an immunosuppressive tumor microenvironment. Improvements in CAR T cell design are required to enhance clinical efficacy, as well as broaden the applicability of this technology...
May 15, 2018: Cell Reports
https://www.readbyqxmd.com/read/29767099/growth-performance-nutrient-digestibility-antioxidant-capacity-blood-biochemical-biomarkers-and-cytokines-expression-in-broiler-chickens-fed-different-phytogenic-levels
#10
Vasileios Paraskeuas, Konstantinos Fegeros, Irida Palamidi, Christine Hunger, Konstantinos C Mountzouris
The effects of inclusion levels of a phytogenic feed additive (PFA), characterized by menthol anethol and eugenol, on broiler growth performance, nutrient digestibility, biochemical biomarkers and total antioxidant capacity (TAC) of plasma and meat, as well as on the relative expression of selected cytokines, were studied in a 42-d experiment. A total of 225 one-day-old male Cobb broiler chickens were assigned into 3 treatments, with 5 replicates of 15 chickens each. Chickens were fed maize-soybean meal basal diets following a 3 phase (i...
June 2017: Animal nutrition
https://www.readbyqxmd.com/read/29761900/fenofibrate-improves-renal-function-by-amelioration-of-nox-4-il-18-and-p53-expression-in-an-experimental-model-of-diabetic-nephropathy
#11
Habib Yaribeygi, Mohammad T Mohammadi, Ramin Rezaee, Amirhossein Sahebkar
Among several pathological mechanisms involved in diabetic nephropathy, oxidative stress, inflammation, and apoptosis play a prominent role. Fenofibrate, a peroxisome proliferator-activated receptor-α (PPAR-α) agonist, has markedly improved oxidative stress and inflammatory responses, but there is no evidence about its effects on interleukin-18 (IL-18), NADPH oxidase type 4 (NOX-4), and p53 expression in diabetic kidneys. The aim of this study was to evaluate possible effects of fenofibrate on improving the underlying mechanisms of diabetic nephropathy...
May 15, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29760212/a-model-of-persistent-salmonella-infection-salmonella-pullorum-modulates-the-immune-response-of-the-chicken-from-a-th17-towards-a-th2-type-response
#12
Ying Tang, Neil Foster, Michael A Jones, Paul A Barrow
Salmonella enterica infection affects a wide range of animals and human and a small number of serovars cause typhoid-like infections, one characteristic of which is persistent infection in convalescents. The avian specific serovar S Pullorum produces systemic disease in young chickens which is followed by a carrier state in convalescent birds leading to infection of the ovary at sexual maturity and vertical transmission. However, the immunological basis of the persistent infection remains unclear. S. Enteritidis is taxonomically closely related but does not show this characteristic...
May 14, 2018: Infection and Immunity
https://www.readbyqxmd.com/read/29757229/effect-of-dietary-sugar-intake-on-biomarkers-of-subclinical-inflammation-a-systematic-review-and-meta-analysis-of-intervention-studies
#13
REVIEW
Karen W Della Corte, Ines Perrar, Katharina J Penczynski, Lukas Schwingshackl, Christian Herder, Anette E Buyken
It has been postulated that dietary sugar consumption contributes to increased inflammatory processes in humans, and that this may be specific to fructose (alone, in sucrose or in high-fructose corn syrup (HFCS)). Therefore, we conducted a meta-analysis and systematic literature review to evaluate the relevance of fructose, sucrose, HFCS, and glucose consumption for systemic levels of biomarkers of subclinical inflammation. MEDLINE, EMBASE, and Cochrane libraries were searched for controlled intervention studies that report the effects of dietary sugar intake on (hs)CRP, IL-6, IL-18, IL-1RA, TNF-α, MCP-1, sICAM-1, sE-selectin, or adiponectin...
May 12, 2018: Nutrients
https://www.readbyqxmd.com/read/29755555/the-ethanolic-extract-of-eysenhardtia-polystachya-ort-sarg-bark-and-its-fractions-delay-the-progression-of-rheumatoid-arthritis-and-show-antinociceptive-activity-in-murine-models
#14
Saudy Saret Pablo-Pérez, Benjamín Parada-Cruz, Olivier Christophe Barbier, María Estela Meléndez-Camargo
Eysenhardtia polystachya is widely used in folk medicine as an anti-rheumatic and analgesic agent, but no systematic study of its effects on several markers associated with rheumatoid arthritis and its ethnomedical use as analgesic agent has been performed. We evaluated the anti-arthritic and antinociceptive properties of an ethanolic extract of E. polystachya (EE) bark and its rich-flavonoids fractions in murine models. The EE was administered orally at doses of 25, 50, 100, and 200 mg/kg/day, and its fractions at 25 mg/kg/day in all animal models...
2018: Iranian Journal of Pharmaceutical Research: IJPR
https://www.readbyqxmd.com/read/29754330/gender-differences-in-axial-spondyloarthritis-women-are-not-so-lucky
#15
REVIEW
T Rusman, R F van Vollenhoven, I E van der Horst-Bruinsma
PURPOSE OF REVIEW: Ankylosing spondylitis (AS) was historically seen as a predominantly male disease. However, more recent data showed a more homogenous sex prevalence. Unfortunately, in many studies in axial spondyloarthritis (axSpA), the number of women included is low and the analyses are often not stratified for gender distribution. The purpose of this review is to aggregate the existing data on gender differences in axSpA in order to increase the awareness that female axSpA patients are still under-recognized...
May 12, 2018: Current Rheumatology Reports
https://www.readbyqxmd.com/read/29753949/associations-between-knee-structural-measures-circulating-inflammatory-factors-and-mmp13-in-patients-with-knee-osteoarthritis
#16
Guangfeng Ruan, Jianhua Xu, Kang Wang, Juan Wu, Qicui Zhu, Jiale Ren, Fuqin Bian, Bingru Chang, Xiaochun Bai, Weiyu Han, Changhai Ding
OBJECTIVE: To investigate cross-sectional associations between serum level of MMP13 and knee structural measures and circulating inflammatory factors in patients with symptomatic knee osteoarthritis (OA). DESIGN: A total of 149 subjects with symptomatic knee OA were included. Magnetic resonance imaging was used to measure infrapatellar fat pad (IPFP) volume, IPFP signal intensity alternation, cartilage volume and cartilage defects. Knee radiography was used to assess radiographic OA using the Kellgren-Lawrence (K-L) grading system...
May 10, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29747372/-research-progress-on-the-role-of-nlrp3-inflammasome-in-ocular-diseases
#17
Z X Gu, Y Zhang, Z X Dou, S Z Zhao
Nucleotide-binding oligomerization domain-like receptor pyrin domain containing-3 (NLRP3) inflammasome is a type of multi-protein complex within the cell, the activation of which promotes the release of bioactive interleukin(IL)-1β and IL-18 and contributes to inflammatory progress. In recent years, the research on the role of NLRP3 inflammasome in the pathogenesis and development of ocular surface and fundus diseases has made considerable progress. This review summarizes current understanding in the structure, ocular expression, and mechanisms of activation of NLRP3 inflammasome, as well as the contribution of this protein complex to eye diseases, thereby revealing the theoretical possibility that NLRP3 inflammasome might serve as a novel therapeutic target for the related ocular diseases...
May 11, 2018: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/29746630/ripk3-mlkl-mediated-neuronal-necroptosis-modulates-the-m1-m2-polarization-of-microglia-macrophages-in-the-ischemic-cortex
#18
Jiping Yang, Youyi Zhao, Li Zhang, Hong Fan, Chuchu Qi, Kun Zhang, Xinyu Liu, Lin Fei, Siwei Chen, Mengmeng Wang, Fang Kuang, Yazhou Wang, Shengxi Wu
Cell death and subsequent inflammation are 2 key pathological changes occurring in cerebral ischemia. Active microglia/macrophages play a double-edged role depending on the balance of their M1/M2 phenotypes. Necrosis is the predominant type of cell death following ischemia. However, how necrotic cells modulate the M1/M2 polarization of microglia/macrophages remains poorly investigated. Here, we reported that ischemia induces a rapid RIPK3/MLKL-mediated neuron-dominated necroptosis, a type of programmed necrosis...
May 9, 2018: Cerebral Cortex
https://www.readbyqxmd.com/read/29746273/therapeutic-engineered-hydrogel-coatings-attenuate-the-foreign-body-response-in-submuscular-implants
#19
Katrina A Harmon, Brooks A Lane, Rachel E Boone, Ashkan Afshari, Henrik O Berdel, Michael J Yost, Richard L Goodwin, Harold I Friedman, John F Eberth
BACKGROUND: Biomedical devices are implanted into mammalian soft tissues to improve, monitor, or restore form or function. The utility of these implants is limited by the subsequent foreign body response (FBR), beginning with inflammation and terminating in a collagen envelope around the device, known as the capsule. This capsule then can contract and distort the shape of the device or limit its effectiveness in interacting with the surrounding host tissues. In the current study, we investigated the effect of therapeutic collagen-coated silicone discs in a rat model of the FBR...
April 30, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29744188/hydrogen-sulfide-exposure-induces-nlrp3-inflammasome-dependent-il-1%C3%AE-and-il-18-secretion-in-human-mononuclear-leukocytes-in-vitro
#20
Amina Basic, Sara Alizadehgharib, Gunnar Dahlén, Ulf Dahlgren
The aim was to investigate if hydrogen sulfide (H2 S) induces the formation of the NLRP3 inflammasome and subsequent IL-1β and IL-18 secretion in human peripheral blood mononuclear cells (PBMCs) and in the human monocyte cell line THP1. Bacterial production of H2 S has been suggested to participate in the inflammatory host response in periodontitis pathogenesis. H2 S is a toxic gas with pro-inflammatory properties. It is produced by bacterial degradation of sulfur-containing amino acids, for example, cysteine...
June 2017: Clinical and Experimental Dental Research
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