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Inflammation

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https://www.readbyqxmd.com/read/28220341/adenovirus-mediated-small-interfering-rna-targeting-tak1-ameliorates-joint-inflammation-with-collagen-induced-arthritis-in-mice
#1
Xinjing Luo, Yongfeng Chen, Guoju Lv, Zhidong Zhou, Jie Chen, Xuanrong Mo, Jiangwen Xie
Transforming growth factor β-activated kinase-1 (TAK1) is a key upstream kinase in cell signaling during inflammation, which regulates the expression of inflammatory mediators. Small interfering RNA (siRNA) against TAK1 offers promise as a potential therapeutic strategy in immune-mediated inflammatory disorder including rheumatoid arthritis. Here, we are to evaluate the therapeutic effects of intra-articular administration of adenoviral-mediated siRNA against TAK1 (ad-siRNA-TAK1) on collagen-induced arthritis (CIA) in mice...
February 21, 2017: Inflammation
https://www.readbyqxmd.com/read/28214973/a-multifunctional-alanine-rich-anti-inflammatory-peptide-bcp61-showed-potent-inhibitory-effects-by-inhibiting-both-nf-%C3%AE%C2%BAb-and-mapk-expression
#2
Yun Hee Choi, Yoon Seok Choi, Young Kyun Kim, Md Saifur Rahman, G C Pradeep, Jin Cheol Yoo, Joo-Won Suh
The purified BCP61 was reported to be a unique low-molecular-weight (MW) anti-microbial peptide because of its non-identical alanine-rich N-terminal sequence. In this study, we investigated the anti-inflammatory effects of BCP61 on induction of inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), pro-inflammatory cytokines, nuclear factor-kappa B (NF-κB), and mitogen-activated protein kinases (MAPKs) in lipopolysaccharide (LPS)-stimulated Raw 264.7 cells. The treatment with BCP61, with varying concentrations of 10, 50, and 100 μg/mL, inhibited levels of expression of LPS-induced NF-κB and MAPKs (extracellular signal-related kinases (ERKs), c-Jun NH2-terminal kinase (JNK), and mitogen-activated protein (p38)) as well as production of pro-inflammatory mediators, such as nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor-α (TNF-α), and interleukin-6 (IL-6)...
February 18, 2017: Inflammation
https://www.readbyqxmd.com/read/28213866/5-aminosalicylic-acid-attenuates-monocrotaline-induced-pulmonary-arterial-hypertension-in-rats-by-increasing-the-expression-of-nur77
#3
Ling-Yue Sun, Zong-Ye Cai, Jun Pu, Jian Li, Jie-Yan Shen, Cheng-de Yang, Ben He
The aim of this study is to investigate the effect of 5-aminosalicylic acid (5-ASA) on monocrotaline (MCT)-induced pulmonary arterial hypertension (PAH) in rats and its molecular mechanism. Sixty male Sprague-Dawley rats (250-300 g) were evenly randomized into six groups: control group; PAH group induced by MCT intraperitoneal injection (50 mg/kg) on day 1; and four PAH groups treated for 30 days from day 2 with 5-ASA at 50 (5-ASA-50 group), 100 (5-ASA-100 group), 150 (5-ASA-150 group), and 200 mg/kg/day (5-ASA-200 group), respectively...
February 17, 2017: Inflammation
https://www.readbyqxmd.com/read/28210912/inhibitory-effects-of-emodin-thymol-and-astragalin-on-leptospira-interrogans-induced-inflammatory-response-in-the-uterine-and-endometrium-epithelial-cells-of-mice
#4
Wenlong Zhang, Xiaojie Lu, Wei Wang, Zhuang Ding, Yunhe Fu, Xiaofei Zhou, Naisheng Zhang, Yongguo Cao
Leptospirosis is a systemic infection that causes, among others, acute kidney injury, acute liver disease, muscle pain, vasculitis, bleeding disorders, and reproductive loss. In an effort to reduce uterine inflammatory responses induced by Leptospira, we evaluated the anti-inflammation effects of emodin, thymol, and astragalin in a mouse model. Our results showed that treatment with emodin, thymol, and astragalin alleviated uterine inflammation induced by leptospira infection via suppression of pro-inflammatory cytokine expression and prevented tissue damage...
February 16, 2017: Inflammation
https://www.readbyqxmd.com/read/28197857/diallyl-disulfide-suppresses-the-inflammation-and-apoptosis-resistance-induced-by-dca-through-ros-and-the-nf-%C3%AE%C2%BAb-signaling-pathway-in-human-barrett-s-epithelial-cells
#5
Cheng Feng, Yumei Luo, Yuanyuan Nian, Dong Liu, Xiaoran Yin, Jing Wu, Jia Di, Rong Zhang, Jun Zhang
Barrett's esophagus (BE) is generally accepted as the only precursor to esophageal adenocarcinoma (EAC). Deoxycholic acid (DCA)-induced inflammation and apoptotic resistance play an important role in the carcinogenesis and progression from BE to EAC. Diallyl disulfide (DADS) is a garlic-derived natural organosulfur compound. This study investigated whether DADS has chemopreventive effects against BE and the potentially related signaling pathway. BAR-T cells were treated with DCA in the presence or absence of DADS...
February 14, 2017: Inflammation
https://www.readbyqxmd.com/read/28194608/rage-deficiency-attenuates-the-protective-effect-of-lidocaine-against-sepsis-induced-acute-lung-injury
#6
Zhuo Zhang, Jie Zhou, Changli Liao, Xiaobing Li, Minghua Liu, Daqiang Song, Xian Jiang
Lidocaine (Lido) is reported to suppress inflammatory responses and exhibit a therapeutic effect in models of cecal ligation and puncture (CLP)-induced acute lung injury (ALI). The receptor for advanced glycation end product (RAGE) exerts pro-inflammatory effects by enhancing pro-inflammatory cytokine production. However, the precise mechanism by which Lido confers protection against ALI is not clear. ALI was induced in RAGE WT and RAGE knockout (KO) rats using cecal ligation and puncture (CLP) operations for 24 h...
February 13, 2017: Inflammation
https://www.readbyqxmd.com/read/28194607/il-17a-monoclonal-antibody-partly-reverses-the-glucocorticoids-insensitivity-in-mice-exposed-to-ozonec
#7
Xia Fei, Peng-Yu Zhang, Xue Zhang, Guo-Qing Zhang, Wu-Ping Bao, Ying-Ying Zhang, Min Zhang, Xin Zhou
Exposure to ozone has been associated with airway inflammation and glucocorticoid insensitivity. This study aimed to observe the capacity of anti-murine interleukin-17A monoclonal antibody (IL-17mAb) to reverse ozone-induced glucocorticoid insensitivity and to detect its effects with glucocorticoids in protecting against airway inflammation. After C57/BL6 mice were exposed to ozone (2.5 ppm; 3 h) for 12 times over 6 weeks, PBS, IL-17mAb (50 ug/ml), dexamethasone (2 mg/kg), and combination administration of IL-17mAb (50 ug/ml) and dexamethasone (2 mg/kg) were intraperitoneally injected into mice at a dose of 0...
February 13, 2017: Inflammation
https://www.readbyqxmd.com/read/28188410/simvastatin-inhibits-il-1%C3%AE-induced-apoptosis-and-extracellular-matrix-degradation-by-suppressing-the-nf-kb-and-mapk-pathways-in-nucleus-pulposus-cells
#8
Tu Ji, Li Wentian, Zhang Yukun, Wu Xinghuo, Song Yu, Kang Liang, Liu Wei, Wang Kun, Li Shuai, Hua Wenbin, Yang Cao
Statins are widely used hypocholesterolemic drugs that block the mevalonate pathway. Some studies have shown that statins may have the potential to inhibit intervertebral disk (IVD) degeneration (IDD). Interleukin (IL)-1β, a catabolic cytokine, is a key regulator of IDD. This study aimed to investigate the mechanism underlying the effect of simvastatin on IDD. The viability of nucleus pulposus (NP) cells was determined by the methyl-thiazolyl-tetrazolium (MTT) assay. The apoptosis of NP cells was measured by flow cytometric analysis, terminal deoxynucleotidyl transferase dUTP nick end labeling (TUNEL), and western blotting of relevant apoptotic proteins...
February 10, 2017: Inflammation
https://www.readbyqxmd.com/read/28188409/tipe2-inhibits-the-expression-of-asthma-related-inflammatory-factors-in-hyperstretched-bronchial-epithelial-cells-through-the-wnt-%C3%AE-catenin-pathway
#9
Xinrong Sun, Lu Chen, Wen Yan
Childhood asthma, an airway inflammatory disease, is a serious threat to the child's quality of life. Recently, TIPE2 expression was reported to be decreased in children with asthma. Therefore, additional studies focusing on TIPE2 might provide an approach for treating childhood asthma. In this study, we found that TIPE2 was poorly expressed in hyperstretched human bronchial epithelial cells (BEAS-2B). TIPE2 overexpression also significantly suppressed the stretch-induced secretion of asthma-related inflammatory factors (TNF-α, TSLP, MMP-9, and VEGF)...
February 10, 2017: Inflammation
https://www.readbyqxmd.com/read/28181039/irf3-inhibits-neutrophil-recruitment-in-mice-infected-with-pseudomonas-aeruginosa
#10
Zhenghao Piao, Haiying Yuan, Cuili Wang, Liyun Shi
Pseudomonas aeruginosa is the major cause of morbidity and mortality in patients with ventilator-associated pneumonia. Interferon regulatory factor 3 (IRF3) is a transcription factor that plays an important role in the immune response to viral infection via the IRF3/IFN-β signaling pathway. Controversial data exist regarding the role of IRF3 in immune cell recruitment during bacterial infections. IRF3 has been shown to promote neutrophil recruitment and bacterial clearance in mice infected with P. aeruginosa by inducing the production of specific chemokines and cytokines...
February 8, 2017: Inflammation
https://www.readbyqxmd.com/read/28168659/btp2-a-store-operated-calcium-channel-inhibitor-attenuates-lung-ischemia-reperfusion-injury-in-rats
#11
Wei Zhang, Zeyou Qi, Yaping Wang
Lung ischemia-reperfusion (I/R) injury is a critical complication following a lung transplant, cardiopulmonary bypass, pulmonary embolism, and trauma. Immune cells and their effector functions are involved in the lung I/R injury. Store-operated calcium channels (SOCC) are highly Ca(2+)-selective cation channels and have crucial effects on the immune system. It has been indicated that BTP2, a potent SOCC blocker, could inhibit pro-inflammatory cytokine production from immune cells both in vitro and in vivo. Therefore, this study was conducted to investigate the beneficial effects of BTP2 on lung I/R injury in Sprague-Dawley (SD) rats...
February 7, 2017: Inflammation
https://www.readbyqxmd.com/read/28168658/plumbagin-prevents-il-1%C3%AE-induced-inflammatory-response-in-human-osteoarthritis-chondrocytes-and-prevents-the-progression-of-osteoarthritis-in-mice
#12
Wenhao Zheng, Zhenyu Tao, Chunhui Chen, Chuanxu Zhang, Hui Zhang, Xiaozhou Ying, Hua Chen
Inflammation and inflammatory cytokines have been reported to play vital roles in the development of osteoarthritis (OA). Plumbagin, a quinonoid compound extracted from the roots of medicinal herbs of the Plumbago genus, has been reported to have anti-inflammatory effects. However, the anti-inflammatory effects of plumbagin on OA have not been reported. This study aimed to assess the effects of plumbagin on human OA chondrocytes and in a mouse model of OA induced by destabilization of the medial meniscus (DMM)...
February 7, 2017: Inflammation
https://www.readbyqxmd.com/read/28161734/comment-on-potential-effects-of-calcium-binding-protein-s100a12-on-severity-evaluation-and-curative-effect-of-severe-acute-pancreatitis
#13
LETTER
Vahid Bagheri, Carolyn L Geczy
No abstract text is available yet for this article.
February 4, 2017: Inflammation
https://www.readbyqxmd.com/read/28161733/1%C3%AE-25-dihydroxyvitamin-d3-ameliorates-seawater-aspiration-induced-lung-injury-by-inhibiting-the-translocation-of-nf-%C3%AE%C2%BAb-and-rhoa
#14
Minlong Zhang, Faguang Jin
Our previous study have reported that 1α,25-Dihydroxyvitamin D3 (calcitriol) suppresses seawater aspiration-induced ALI in vitro and in vivo. We also have confirmed that treatment with calcitriol ameliorates seawater aspiration-induced inflammation and pulmonary edema via the inhibition of NF-κB and RhoA/Rho kinase pathway activation. In our further work, we investigated the effect of calcitriol on nuclear translocation of NF-κB and membrane translocation of RhoA in vitro. A549 cells and rat pulmonary microvascular endothelial cells (RPMVECs) were cultured with calcitriol or not for 48 h and then stimulated with 25% seawater for 40 min...
February 4, 2017: Inflammation
https://www.readbyqxmd.com/read/28161732/picroside-ii-protects-rat-lung-and-a549-cell-against-lps-induced-inflammation-by-the-nf-%C3%AE%C2%BAb-pathway
#15
Bingyu Shen, Chenxu Zhao, Chengzhen Chen, Zheng Li, Yang Li, Ye Tian, Haihua Feng
Picroside II is the main active ingredient in the root department of Chinese medicine Picrorhiza scrophulariiflora which has been proved to have beneficial effects on health, such as ameliorating the cerebral ischemia and protecting the liver. However, its effects on acute lung injury remain unclear. The purpose of the study was to evaluate the effects of picroside II on acute lung injury in mice and the inflammation in A549 cells which are lipopolysaccharide (LPS) induced. We evaluated the levels of tumor necrosis factor-α (TNF-α), interleukin-1 (IL-1β), and interleukin-6 (IL-6) in vivo and vitro by enzyme-linked immunosorbent assay (ELISA) and quantitative polymerase chain reaction (qRT-PCR)...
February 4, 2017: Inflammation
https://www.readbyqxmd.com/read/28155010/chemokine-cxcl13-activates-p38-mapk-in-the-trigeminal-ganglion-after-infraorbital-nerve-injury
#16
Qian Zhang, Ming-Di Zhu, De-Li Cao, Xue-Qiang Bai, Yong-Jing Gao, Xiao-Bo Wu
Recent data demonstrated that chemokine CXCL13 mediates neuroinflammation and contributes to the maintenance of neuropathic pain after nerve injury in the spinal cord. Pro-nociceptive chemokines activate mitogen-activated protein kinases (MAPKs) which are potential signaling pathways contributing to the nociceptive behavior in inflammatory or neuropathic pain. However, whether activation of p38 and JNK MAPK signaling pathway in the trigeminal ganglion (TG) are involved in CXCL13 and its receptor CXCR5-mediated orofacial pain has not yet been clarified...
February 2, 2017: Inflammation
https://www.readbyqxmd.com/read/28124257/3-utr-au-rich-elements-ares-and-the-rna-binding-protein-tristetraprolin-ttp-are-not-required-for-the-lps-mediated-destabilization-of-phospholipase-c%C3%AE-2-mrna-in-murine-macrophages
#17
Smita Shukla, Genie Elson, Perry J Blackshear, Carol S Lutz, S Joseph Leibovich
We have shown previously that bacterial lipopolysaccharide (LPS)-mediated suppression of phospholipase-Cβ-2 (PLCβ-2) expression is involved in M1 (inflammatory) to M2-like (wound healing) phenotypic switching of macrophages triggered by adenosine. This suppression is mediated post-transcriptionally by destabilization of PLCβ-2 mRNA (messenger ribonucleic acid). To investigate the mechanism of this LPS-mediated destabilization, we examined the roles of RNA-binding agents including microRNAs and RNA-binding proteins that are involved in regulating stability of mRNAs encoding growth factors, inflammatory mediators, and proto-oncogenes...
January 25, 2017: Inflammation
https://www.readbyqxmd.com/read/28120198/mirna-451a-targets-ifn-regulatory-factor-8-for-the-progression-of-systemic-lupus-erythematosus
#18
Jia Cheng, Rui Wu, Li Long, Jiang Su, Jian Liu, Xiao-Dan Wu, Jing Zhu, Bin Zhou
Increasing evidence has shown that miRNA-451a (miR-451a) is associated with the development of systemic lupus erythematosus (SLE); however, the mechanism of this association is not fully known. The present study found an increased expression of miR-451a in the spleen and thymus of an SLE mice model. A decrease in miR-451a expression partly relieved the enlargement of the spleen and decreased the proteinuria content and immune complex deposits. The deficiency in miR-451a also decreased numbers of CD4+CD69+ and CD4+/CD8+ T cells and the levels of the serum cytokines IL-17a and IL-4...
January 24, 2017: Inflammation
https://www.readbyqxmd.com/read/28116572/uch-l1-expressed-by-podocytes-a-potentially-therapeutic-target-for-lupus-nephritis
#19
Ji-Hong Cui, Xin Xie
Systemic lupus erythematosus (SLE) is a multisystem disease affecting many organs, and the most severe complication is lupus nephritis. Podocyte injury and loss play vital roles in the pathogenesis of lupus nephritis. Studies have shown that ubiquitin carboxyl-terminal hydrolase L1 (UCH-L1) is involved in the pathogenesis and progression of many diseases, such as neurodegenerative disorders, cancers, and diabetes. Recently, numerous studies have indicated that UCH-L1 was upregulated in the podocytes in immune complex-mediated glomerulonephritis...
January 23, 2017: Inflammation
https://www.readbyqxmd.com/read/28101847/off-target-anti-inflammatory-activity-of-the-p2x7-receptor-antagonist-az11645373
#20
Olga V Oskolkova, Viktoria Godschachner, Valery N Bochkov
We have found that a well-characterized P2X7 receptor antagonist AZ11645373 blocked production of pro-inflammatory chemokine IL-8 in endothelial cells treated with OxPAPC. The effect was not due to toxicity of AZ11645373 as documented by cellular metabolic activity assay. The mechanism of inhibition by AZ11645373 was apparently independent of the P2X7 receptor because this receptor was not involved in induction of IL-8 under our experimental conditions. In support of this notion, two P2X7 agonists ATP and BzATP did not upregulate IL-8...
January 19, 2017: Inflammation
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