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International Immunopharmacology

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https://www.readbyqxmd.com/read/28213269/protective-effects-of-morin-on-lipopolysaccharide-d-galactosamine-induced-acute-liver-injury-by-inhibiting-tlr4-nf-%C3%AE%C2%BAb-and-activating-nrf2-ho-1-signaling-pathways
#1
Ye Tian, Zheng Li, Bingyu Shen, Qiaoling Zhang, Haihua Feng
Morin, a bioactive flavonoid extracted from the bark of Moraceae plants and many medicinal herbs, has anti-inflammatory and antioxidative effects. In this research, we explored the protective effects of morin against lipopolysaccharide (LPS) and d-galactosamine (D-GalN) induced acute liver injury in mice. Mice were given an intraperitoneal injection of morin before LPS and D-GalN treatment and the HepG2 cells were only given morin to investigate its effects. The results showed that morin markedly inhibited the production of serum alanine transaminase (ALT), aspartate aminotransferase (AST), interleukin-6 (IL-6), tumor necrosis factor (TNF-α) and hepatic TNF-α, IL-6, and myeloperoxidase (MPO) induced by LPS/D-GalN...
February 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28213268/fisetin-inhibits-il-1%C3%AE-induced-inflammatory-response-in-human-osteoarthritis-chondrocytes-through-activating-sirt1-and-attenuates-the-progression-of-osteoarthritis-in-mice
#2
Wenhao Zheng, Zhenhua Feng, Shengban You, Hui Zhang, Zhenyu Tao, Quan Wang, Hua Chen, Yaosen Wu
Osteoarthritis (OA) is a degenerative joint disease characterized by cartilage degradation and inflammation. Fisetin, a polyphenol extracted from fruits and vegetables, has been reported to have anti-inflammatory effects. Our study aimed to investigate the effect of fisetin on OA both in vitro and in vivo. In vitro, chondrocytes were pretreated with fisetin alone or fisetin combined with sirtinol (an inhibitor of SIRT1) for 2h before IL-1β stimulation. Production of NO, PGE2, TNF-α and IL-6 were evaluated by the Griess reaction and ELISAs...
February 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28213267/ferulic-acid-inhibits-neuro-inflammation-in-mice-exposed-to-chronic-unpredictable-mild-stress
#3
Ya-Min Liu, Ji-Duo Shen, Li-Ping Xu, Han-Bing Li, Yu-Cheng Li, Li-Tao Yi
Ferulic acid is a hydroxycinnamic acid that widely presents in plant cell wall components. It has been demonstrated that ferulic acid can attenuate depressive-like behaviors in both forced swimming test and tail suspension test. Considering that depression is an inflammatory related mental disease, our present study was aimed to investigate the role of ferulic acid in the regulation of microglia activation, pro-inflammatory cytokines, nuclear factor kappa B (NF-κB) and nucleotide binding and oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome in mice exposed to chronic unpredictable mild stress (CUMS)...
February 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28208101/berberine-as-a-chemical-and-pharmacokinetic-marker-of-the-butanol-extracted-food-allergy-herbal-formula-2
#4
Nan Yang, Kamal Srivastava, Ying Song, Changda Liu, Sool Cho, Yujuan Chen, Xiu-Min Li
RATIONALE: Food Allergy Herbal Formula 2 (FAHF-2) provided protection against peanut anaphylaxis in a murine model and induced beneficial immune-modulation in humans. Butanol-refined FAHF-2, B-FAHF-2, retained safety and efficacy in the peanut allergic murine model at only 1/5 of FAHF-2 dosage. One compound, berberine, was isolated and identified in vitro as a bioactive component present in FAHF-2 and B-FAHF-2. The aim of this study was to investigate berberine as a chemical and pharmacokinetic marker of B-FAHF-2...
February 13, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28192731/isotrifoliol-inhibits-pro-inflammatory-mediators-by-suppression-of-tlr-nf-%C3%AE%C2%BAb-and-tlr-mapk-signaling-in-lps-induced-raw264-7-cells
#5
Hua Li, Jeong-Hyun Yoon, Hyo-Jun Won, Hyeon-Seon Ji, Heong Joo Yuk, Ki Hun Park, Ho-Yong Park, Tae-Sook Jeong
Soybeans, produced by Glycine max (L.) Merr., contain high levels of isoflavones, such as genistein and daidzein. However, soy leaves contain more diverse and abundant flavonol glycosides and coumestans, as compared to the soybean. This study investigated the anti-inflammatory effects of the major coumestans present in soy leaf (coumestrol, isotrifoliol, and phaseol) in lipopolysaccharide (LPS)-induced RAW264.7 cells. Coumestans significantly reduced LPS-induced nitric oxide (NO), prostaglandin E2 (PGE2), and reactive oxygen species (ROS) production; isotrifoliol had the most potent anti-inflammatory activity...
February 10, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28189974/effect-of-inhaled-and-systemic-glucocorticoid-treatment-on-cd4-regulatory-and-effector-t-cells-in-a-mouse-model-of-allergic-asthma
#6
Monika Zuśka-Prot, Tomasz Maślanka
To achieve a better understanding of mechanisms underlying the anti-asthmatic action of inhaled and systemic glucocorticoids (GCs) and to provide more data regarding the risk of a negative effect of inhaled GCs on CD4(+) T cells, a study was conducted on the effect of ciclesonide and methylprednisolone on CD4(+) effector (Teff), regulatory (Treg) and resting (Trest) T cells within respiratory and extra-respiratory tissues in a mouse model of allergic asthma. The study indicated that one, and possibly a key mechanism, underlying the anti-asthmatic action of inhaled and systemic GCs is the prevention of the activation and clonal expansion of CD4(+) Teff cells in the mediastinal lymph nodes (MLNs), which consequently prevents infiltration of the lungs with CD4(+) Teff cells...
February 9, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28189973/4-methoxylonchocarpin-attenuates-inflammation-by-inhibiting-lipopolysaccharide-binding-to-toll-like-receptor-of-macrophages-and-m1-macrophage-polarization
#7
Hyo-Min Jang, Geum-Dan Kang, Thi Kim Van Le, Su-Min Lim, Dae-Sik Jang, Dong-Hyun Kim
The roots of Abrus precatorius (AP, Fabaceae) have traditionally been used in Vietnam and China for the treatment of inflammatory diseases such as stomatitis, asthma, bronchitis, and hepatitis. Therefore, in this study, we isolated 4-methoxylonchocarpin (ML), an anti-inflammatory compound present in AP, and studied its anti-inflammatory effects in mice with 2,4,6-trinitrobenzenesulfonic acid (TNBS)-induced colitis. In lipopolysaccharide (LPS)-stimulated macrophages, ML was found to inhibit nuclear factor (NF)-κB activation and tumor necrosis factor (TNF) and interleukin (IL)-6 expression by inhibiting LPS binding to Toll-like receptor 4 (TLR4) in vitro...
February 9, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28189972/novel-lineage-and-stage-selective-effects-of-retinoic-acid-on-mouse-granulopoiesis-blockade-by-dexamethasone-or-inducible-no-synthase-inactivation
#8
Pedro Xavier-Elsas, Bruno Marques Vieira, Daniela Masid-de-Brito, Juliana Santos, Monica Gomes Barradas, Bianca de Luca, Maria Ignez Gaspar-Elsas
Despite the close relationship of eosinophils and neutrophils, these granulocyte lineages respond to distinct cytokines and play unique roles in immune responses. They nevertheless respond to shared physiological/pharmacological regulators, including glucocorticoids and retinoids, and to ubiquitous mediators, including NO. Others showed that, in humans, all-trans retinoic acid (ATRA) suppresses eosinophil differentiation, but promotes neutrophil differentiation. Mechanisms of dual co-regulation of physiological granulopoiesis were here examined in murine bone-marrow, a model system suitable for exploration of immunopharmacological mechanisms, given the availability of experimental resources, including mutant/knockout mouse strains...
February 9, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28189971/sulforaphane-improves-outcomes-and-slows-cerebral-ischemic-reperfusion-injury-via-inhibition-of-nlrp3-inflammasome-activation-in-rats
#9
Chang Yu, Qi He, Jing Zheng, Ling Yu Li, Yang Hao Hou, Fang Zhou Song
Ischemia/reperfusion (I/R) injury has been correlated with systemic inflammatory response. In addition, NLRP3 has been suggested as a cause in many inflammatory processes. Sulforaphane (SFN) is a naturally occurring isothiocyanate found in cruciferous vegetables, such as broccoli and cabbage. While recent studies have demonstrated that Sulforaphane has protective effects against cerebral ischemia/reperfusion injury, little is known about how those protective effects work. In this study, we focus our investigation on the role and process of Sulforaphane in the inhibition of NLRP3 inflammasome activation, as well as its effect on brain ischemia/reperfusion injury...
February 9, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28189055/the-protective-effect-of-dopamine-on-ventilator-induced-lung-injury-via-the-inhibition-of-nlrp3-inflammasome
#10
Xiaomei Yang, Xiaotong Sun, Hongli Chen, Guangmin Xi, Yonghao Hou, Jianbo Wu, Dejie Liu, Huanliang Wang, Yuedong Hou, Jingui Yu
Dopamine (DA), a neurotransmitter, was previously shown to have anti-inflammatory effects. However, its role in ventilator-induced lung injury (VILI) has not been explicitly demonstrated. This study aimed to investigate the therapeutic efficacy and molecular mechanisms of dopamine in VILI. Rats were treated with dopamine during mechanical ventilation. Afterwards, the influence of dopamine on histological changes, pulmonary edema, the lung wet/dry (W/D) ratio, myeloperoxidase (MPO) activity, polymorphonuclear(PMN)counts, inflammatory cytokine levels, and NLRP3 inflammasome protein expression were examined...
February 7, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28187313/il-20-contributes-to-low-grade-inflammation-and-weight-gain-in-the-psammomys-obesus
#11
Helena Cucak, Lise Høj Thomsen, Alexander Rosendahl
The metabolic syndrome has been demonstrated in gene deficient animals, e.g. db/db mice, to include a systemic inflammation leading to insulin resistance, obesity and type 2 diabetes (T2D). To determine the importance of inflammation in obesity and diabetes, in a normal non-genetically modified species, an intervention study with neutralizing anti-IL-20 antibodies was conducted in the spontaneous T2D model Psammomys obesus. All IL-20 receptor chains were expressed on protein level in the Psammomys obesus. Neutralization of IL-20 did not modulate blood glucose, HbA1c, insulin levels or lymphocyte numbers after five weeks treatment although a trend to reduced weight gain rate was observed upon anti-IL-20 treatment...
February 7, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28187312/glucose-phosphorylated-on-carbon-6-suppresses-lipopolysaccharide-binding-to-lipopolysaccharide-binding-protein-and-inhibits-its-bioactivities
#12
Yuu Fujita, Kiyohito Yagi
Lipid A comprises the active region of lipopolysaccharide (LPS), and its phosphate group is required for LPS activities. Additionally, it is essential for effects of inhibitors of LPS-induced coagulation activity in limulus amebocyte lysate (LAL) tests. Lipid A has phosphorylated glucosamine residues, which are structurally similar to glucose 1-phosphate (G1P) and glucose 6-phosphate (G6P). This study focused on the antagonistic effects of glucose phosphates on the action of protein or non-protein inhibitors against LAL coagulation, LPS-LPS-binding protein (LBP) interaction, and LPS bioactivities...
February 6, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28157559/antidesmone-a-unique-tetrahydroquinoline-alkaloid-prevents-acute-lung-injury-via-regulating-mapk-and-nf-%C3%AE%C2%BAb-activities
#13
XinGang Lu, YingXiu Pu, WeiGuang Kong, XiaoDan Tang, JiAn Zhou, HaiXin Gou, Xiao Song, HaiFeng Zhou, NingZhou Gao, Jie Shen
Acute lung injury, characterized by inflammation, is a main cause of respiratory failure that affects patients worldwide. Antidesmone is one compound mainly isolated from Ajugade cumbens Thunb (Labiatae), an herb agent of Labiatae family. In this research, we investigated the anti-inflammation effect of antidesmone in vitro and in vivo. Antidesmone exerted none apparently cytotoxicity in vitro and toxic in vivo. In vitro results demonstrated that antidesmone suppressed the excess inflammatory cytokines production, including tumor necrosis factor-α, interleukin-6 and interleukin-1β in lipopolysaccharide (LPS)-exposed RAW264...
January 31, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28152447/astaxanthin-pretreatment-attenuates-acetaminophen-induced-liver-injury-in-mice
#14
Jingyao Zhang, Simin Zhang, Jianbin Bi, Jingxian Gu, Yan Deng, Chang Liu
BACKGROUND: Acetaminophen (APAP) is a conventional drug widely used in the clinic because of its antipyretic-analgesic effects. However, accidental or intentional APAP overdoses induce liver injury and even acute liver failure (ALF). Astaxanthin (ASX) is the strongest antioxidant in nature that shows preventive and therapeutic properties, such as ocular protection, anti-tumor, anti-diabetes, anti-inflammatory, and immunomodulatory effects. The aim of present study was to determine whether ASX pretreatment provides protection against APAP-induced liver failure...
January 31, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28152446/therapeutic-efficacy-of-carboxyamidotriazole-on-2-4-6-trinitrobenzene-sulfonic-acid-induced-colitis-model-is-associated-with-the-inhibition-of-nlrp3-inflammasome-and-nf-%C3%AE%C2%BAb-activation
#15
Xiaowan Du, Wei Chen, Yufeng Wang, Chen Chen, Lei Guo, Rui Ju, Juan Li, Dechang Zhang, Lei Zhu, Caiying Ye
Excess proinflammatory cytokines owing to the activation of NF-κB and NLRP3 inflammasome play the key role in inflammatory bowel disease (IBD). Previously, we reported the anti-inflammatory activity of carboxyamidotriazole (CAI) resulting from decreasing cytokines. Therefore, we investigated the therapeutic effects of CAI in 2,4,6-trinitrobenzene sulfonic acid (TNBS)-induced rat colitis and the involvement of CAI action with NLRP3 inflammasome and NF-κB pathway. CAI was orally administered to TNBS-induced colitis rat...
January 30, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28152445/heart-failure-not-responsive-to-standard-immunosuppressive-therapy-is-successfully-treated-with-high-dose-intravenous-immunoglobulin-therapy-in-a-patient-with-eosinophilic-granulomatosis-with-polyangiitis-egpa
#16
Antonio Pecoraro, Ludovica Crescenzi, Laura Carucci, Arturo Genovese, Giuseppe Spadaro
Glucocorticoids and immunosuppressive drugs represent the first-line treatment of eosinophilic granulomatosis with polyangiitis (EGPA, former Churg-Strauss syndrome), even though the combined therapy is not successful in achieving the disease remission in some patients with neurological or cardiac involvement. We describe a case of an EGPA male patient with impaired left ventricular function not responsive to glucocorticoid and immunosuppressive therapy. We observed that high-dose (2g/kg/4weeks) intravenous immunoglobulin (IVIG) therapy significantly improved cardiac function, which was deteriorated after reducing IVIG dose at 0...
January 30, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28147298/microrna-135a-is-up-regulated-and-aggravates-myocardial-depression-in-sepsis-via-regulating-p38-mapk-nf-%C3%AE%C2%BAb-pathway
#17
Ge Zheng, Minli Pan, Weimin Jin, Guoxin Jin, Yumao Huang
MicroRNA-135a (miR-135a) is implicated in the pathological processes of several cancers. However, the roles and regulatory mechanism of miR-135a in sepsis-induced myocardial depression (MD) remain largely unknown. In this study, the serum of patients with sepsis and healthy controls was obtained. The miR-135a expression was then measured. Then lentiviruses (miR-135a mimic, inhibitor and scramble control) were transfected into BALB/c mice. After 4days of transfection, polymicrobial sepsis model was established by cecal ligation and puncture (CLP) surgery...
January 29, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28147297/expression-of-fc-gamma-rs-on-monocytes-among-kawasaki-disease-patients-with-coronary-artery-lesions
#18
Yu Xia, Xiuli Tian, Qiu Li, Guobing Wang, Chengrong Li, Jun Yang
OBJECTIVE: To study expression of Fc gamma receptors (Fc<gamma>Rs) on monocytes in Kawasaki disease (KD) patients with coronary artery lesions (CAL). METHODS: 160 newly diagnosed KD patients and 80 health children were enrolled in this study. All patients were scheduled to receive both aspirin and intravenous immunoglobulin (IVIG). Serial blood samples were obtained before and 3days after completing IVIG therapy. The first two-dimensional echocardiographic examination was performed for all KD patients within 10days, and was repeated at 3weeks...
January 29, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28129605/mesenchymal-stem-cells-upregulate-treg-cells-via-shla-g-in-sle-patients
#19
Chen Chen, Jun Liang, Genhong Yao, Haifeng Chen, Bingyu Shi, Zhuoya Zhang, Cheng Zhao, Huayong Zhang, Lingyun Sun
BACKGROUND: Soluble human leukocyte antigen-G (sHLA-G) is a non-classical HLA class I molecule, exhibiting strong immunosuppressive properties by inducing the differentiation of T regulatory cells (Treg). Mesenchymal stem cells (MSCs) transplantation alleviates disease progression in systemic lupus erythematosus (SLE) patients. However, the underlying mechanisms are largely unknown. OBJECTIVES: To explore whether sHLA-G is involved in upregulating effects of MSCs on Treg, which contributes to therapeutic effects of MSCs transplantation in SLE...
January 24, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28129604/formula-psori-cm01-inhibits-the-inflammatory-cytokine-and-chemokine-release-in-keratinocytes-via-nf-%C3%AE%C2%BAb-expression
#20
Ling Han, Jing Sun, Chuan-Jian Lu, Rui-Zhi Zhao, Yue Lu, Han-Jie Lin, Jian-An Wei
Psoriasis is a common chronic inflammatory disease in which T-helper 1(Th1) and T-helper 17(Th17) cells play an important role in its pathology. Formula PSORI-CM01 was a novel formulated Chinese medicine used for psoriasis therapy. It had been demonstrated previously that PSORI-CM01 and serum contained Formula PSORI-CM01 (PCM01CS) could improve psoriasis by inhibiting the epithelial hyperplasia, how PSORI-CM01 affects inflammatory cytokine and chemokine in dermis is still unknown. In this study we found PSORI-CM01 pre-treated 3days before IMQ painting could ameliorated IMQ-induced mice skin lesion as PASI score was apparently reduced...
January 24, 2017: International Immunopharmacology
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