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https://www.readbyqxmd.com/read/27910769/anti-inflammatory-activity-of-biomass-extracts-of-the-bay-mushroom-imleria-badia-agaricomycetes-in-raw-264-7-cells
#1
Agata Grzywacz, Joanna Gdula Argasinska, Katarzyna Kala, Wlodzimierz Opoka, Bozena Muszynska
The popular edible bay mushroom, Imleria badia, is rich in phenolic and indole compounds, unsaturated fatty acids, and elements that have anti-inflammatory activity, including zinc. The aim of this study was to evaluate the pro- or anti-inflammatory impact of I. badia biomass extracts on RAW 264.7 cells. We analyzed the influence of I. badia extracts and/or lipopolysaccharide (LPS) cotreatment on the fatty acid profile of cell membranes. We also analyzed cyclooxygenase-2, prostaglandin E synthase, glutathione S transferase Mul, and nuclear factor (NF)-κB p50 and p65 protein expression, as well as the activity of peroxisome proliferator-activated receptor γ and NF-κB transcription factors...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27899301/role-for-nf-%C3%AE%C2%BAb-inflammatory-signalling-pathway-in-tenofovir-disoproxil-fumarate-tdf-induced-renal-damage-in-rats
#2
Hemalatha Ramamoorthy, Premila Abraham, Bina Isaac, Dhayakani Selvakumar
Nephrotoxicity due to tenofovir treatment of HIV patients has been reported. However, the mechanism of tenofovir nephrotoxicity is not clear. NFκB is an important proinflammatory transcription factor that plays a pivotal role in oxidative stress-induced inflammation. We hypothesized that NFκB proinflammatory signalling pathway may play a role in tenofovir induced renal damage. Renal damage was induced in adult male Wistar rats by the oral administration of 600 mg/kg body wt. daily for 5 consecutive weeks...
November 27, 2016: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/27897392/toll-like-receptor-4-signalling-mediates-inflammation-in-skeletal-muscle-of-patients-with-chronic-kidney-disease
#3
Daniela Verzola, Alice Bonanni, Antonella Sofia, Fabrizio Montecucco, Elena D'Amato, Valeria Cademartori, Emanuele Luigi Parodi, Francesca Viazzi, Chiara Venturelli, Giuliano Brunori, Giacomo Garibotto
BACKGROUND: Inflammation in skeletal muscle is implicated in the pathogenesis of insulin resistance and cachexia but why uremia up-regulates pro-inflammatory cytokines is unknown. Toll-like receptors (TLRs) regulate locally the innate immune responses, but it is unknown whether in chronic kidney disease (CKD) TLR4 muscle signalling is altered. The aim of the study is to investigate whether in CKD muscle, TLRs had abnormal function and may be involved in transcription of pro-inflammatory cytokine...
October 18, 2016: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27895784/resveratrol-reverses-p-glycoprotein-mediated-multidrug-resistance-of-u2os-adr-cells-by-suppressing-the-activation-of-the-nf-%C3%AE%C2%BAb-and-p38-mapk-signaling-pathways
#4
Rui Zhang, Ming Lu, Zhen Zhang, Xiliang Tian, Shouyu Wang, Decheng Lv
The present study aimed to investigate the reversal effect of resveratrol on the phenomenon of multidrug resistance in U2OS/adriamycin (ADR) cells and to clarify the molecular mechanisms. To examine the cell survival and half-inhibitory concentration (IC50) of ADR in U2OS and U2OS/ADR cells, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay was used. The accumulation of ADR in U2OS and U2OS/ADR cells was investigated by flow cytometry. Reverse transcription-quantitative polymerase chain reaction and western blot analysis were used to detect the expression of multidrug resistance protein 1 (MDR1), P-glycoprotein (P-gp), p65 and p38...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895783/curcumin-suppresses-colon-cancer-cell-invasion-via-ampk-induced-inhibition-of-nf-%C3%AE%C2%BAb-upa-activator-and-mmp9
#5
Weihua Tong, Quan Wang, Donghui Sun, Jian Suo
Curcumin, an active nontoxic ingredient of turmeric, possesses potent anti-inflammatory, antioxidant and anti-cancer properties; however, the molecular mechanisms of curcumin are not fully understood. The transcription factor nuclear factor-κB (NF-κB) is key in cellular processes, and the expression/activation of urokinase-type plasminogen activator (uPA) and matrix metalloproteinase-9 (MMP9) are crucial for cell invasion. The present study investigated the hypothesis that curcumin inhibits colon cancer cell invasion by modulating NF-κB-mediated expression and activation of uPA and MMP9...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27889620/the-fli-1-transcription-factor-is-a-critical-regulator-for-controlling-the-expression-of-chemokine-c-x-c-motif-ligand-2-cxcl2
#6
Ning Lou, Mara L Lennard Richard, Jin Yu, Mark Kindy, Xian K Zhang
Mammalian cells produce inflammatory cytokines and chemokines in response to innate immune signals and their expression is tightly regulated. Chemokine (C-X-C motif) ligand 2 (CXCL2), also known as macrophage inflammatory protein 2-alpha (MIP2-alpha), is an inflammatory chemokine belonging to the CXC chemokine family. CXCL2 is chemotactic for neutrophils and elevated expression of CXCL2 is associated with many inflammatory and autoimmune diseases. The Fli-1 gene belongs to the large Ets transcription factor family, whose members regulate a wide variety of cellular functions including the immune response...
November 24, 2016: Molecular Immunology
https://www.readbyqxmd.com/read/27888130/protective-role-of-phenylalanine-on-the-ros-induced-oxidative-damage-apoptosis-and-tight-junction-damage-via-nrf2-tor-and-nf-%C3%AE%C2%BAb-signalling-molecules-in-the-gill-of-fish
#7
Lin Feng, Wen Li, Yang Liu, Wei-Dan Jiang, Sheng-Yao Kuang, Pei Wu, Jun Jiang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Xiao-Qiu Zhou
This study explored the possible preventive effects of dietary phenylalanine (Phe) on antioxidant responses, apoptosis and tight junction protein transcription in the gills of young grass carp (Ctenopharyngodon idella). Fish were fed six different experimental diets containing graded levels of Phe (3.4-16.8 g kg(-1)) for 8 weeks. The results showed that Phe deficiency induced protein oxidation and lipid peroxidation by decreasing the glutathione content and the activities and mRNA levels of Cu/Zn superoxide dismutase (SOD1), catalase (CAT), glutathione peroxidase (GPx), glutathione reductase (GR) and glutathione-S-transferase (GST) in fish gill (P < 0...
November 23, 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/27884671/anti-tumor-and-immunomodulatory-activities-induced-by-an-alkali-extracted-polysaccharide-bcap-1-from-bupleurum-chinense-via-nf-%C3%AE%C2%BAb-signaling-pathway
#8
Xiangfu Song, Ting Ren, Zhou Zheng, Tiancheng Lu, Zhicheng Wang, Fengguo Du, Haibin Tong
Bupleurum chinense is a well-known traditional Chinese medicine. Polysaccharides extracted from medical plants possess multiple healthy benefits. In the present study, an alkali-extracted polysaccharide (BCAP-1) was isolated from Bupleurum chinense, and evaluated its physicochemical features, anti-tumor activities and immunomodulatory effects. BCAP-1 was obtained by alkali-extraction, ethanol precipitation, and fractionation by DEAE-cellulose and Sepharose CL-6B columns. BCAP-1 markedly inhibited Sarcoma 180tumor growth in tumor-bearing mice, and increased the secretion of TNF-α in serum...
November 22, 2016: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27883358/negative-pressure-wound-therapy-inhibit-inflammation-by-up-regulating-atf-3-and-down-regulating-nuclear-factor-%C3%AE%C2%BAb-in-diabetic-patients-with-foot-ulcerations
#9
T Wang, R He, J Zhao, J C Mei, M Z Shao, Y Pan, J Zhang, H S Wu, M Yu, W C Yan, L M Liu, F Liu, W P Jia
BACKGROUND: Negative pressure wound therapy (NPWT) was one of the most important treatments of diabetic foot, but the underlying mechanisms still remain elusive. This study aimed to evaluate the inflammatory signals involved in the effects of NPWT on diabetic foot ulcers. METHODS: We enrolled 22 patients with diabetic foot ulceration, eleven treated with NPWT and others treated with traditional debridement. All the patients were treated and observed for 1 week...
November 24, 2016: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/27878697/nf%C3%AE%C2%BAbp65-transcription-factor-modulates-resistance-to-doxorubicin-through-abc-transporters-in-breast-cancer
#10
Kobra Velaei, Nasser Samadi, Sina Soltani, Balal Barazvan, Jafar Soleimani Rad
BACKGROUND: Shedding light on chemoresistance biology of breast cancer could contribute to enhance the clinical outcome. Intrinsic or acquired resistance to chemotherapy is a major problem in breast cancer treatment. METHODS AND MATERIALS: The NFκB pathway by siRNAP65 and JSH-23 as a translocational inhibitor of NFκBP65 in the doxorubicin-resistant MCF-7 (MCF-7/Dox) and MCF-7 cells was blocked. Then, the ABC transporter expression and function were assessed by real-time qRT-PCR and flow cytometry, respectively...
November 23, 2016: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/27877109/npas3-regulates-transcription-and-expression-of-vgf-implications-for-neurogenesis-and-psychiatric-disorders
#11
Dongxue Yang, Wenbo Zhang, Arshad Padhiar, Yao Yue, Yonghui Shi, Tiezheng Zheng, Kaspar Davis, Yu Zhang, Min Huang, Yuyuan Li, Li Sha
Neuronal PAS domain protein 3 (NPAS3) and VGF (VGF Nerve Growth Factor (NGF) Inducible) are important for neurogenesis and psychiatric disorders. Previously, we have demonstrated that NPAS3 regulates VGF at the transcriptional level. In this study, VGF (non-acronymic) was found regulated by NPAS3 in neuronal stem cells. However, the underlying mechanism of this regulation remains unclear. The aim of this study was to explore the correlation of NPAS3 and VGF, and their roles in neural cell proliferation, in the context of psychiatric illnesses...
2016: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/27865854/obeticholic-acid-protects-against-carbon-tetrachloride-induced-acute-liver-injury-and-inflammation
#12
Da-Gang Zhang, Cheng Zhang, Jun-Xian Wang, Bi-Wei Wang, Hua Wang, Zhi-Hui Zhang, Yuan-Hua Chen, Yan Lu, Li Tao, Jian-Qing Wang, Xi Chen, De-Xiang Xu
The farnesoid X receptor (FXR) is a ligand-activated transcription factor that plays important roles in regulating bile acid homeostasis. The aim of the present study was to investigate the effects of obeticholic acid (OCA), a novel synthetic FXR agonist, carbon tetrachloride (CCl4)-induced acute liver injury. Mice were intraperitoneally injected with CCl4 (0.15ml/kg). In CCl4+OCA group, mice were orally with OCA (5mg/kg) 48, 24 and 1h before CCl4. As expected, hepatic FXR was activated by OCA. Interestingly, OCA pretreatment alleviated CCl4-induced elevation of serum ALT and hepatic necrosis...
November 16, 2016: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/27864780/inhibition-of-the-nuclear-export-of-p65-and-iqcg-in-leukemogenesis-by-nup98-iqcg
#13
Mengmeng Pan, Qiyao Zhang, Ping Liu, Jinyan Huang, Yueying Wang, Saijuan Chen
NUP98 fuses with approximately 34 different partner genes via translocation in hematological malignancies. Transgenic or retrovirus-mediated bone marrow transplanted mouse models reveal the leukemogenesis of some NUP98-related fusion genes. We previously reported the fusion protein NUP98-IQ motif containing G (IQCG) in a myeloid/T lymphoid bi-phenoleukemia patient with t(3;11) and confirmed its leukemogenic ability. Herein, we demonstrated the association of NUP98-IQCG with CRM1, and found that NUP98-IQCG expression inhibits the CRM1-mediated nuclear export of p65 and enhances the transcriptional activity of nuclear factor-κB...
November 18, 2016: Frontiers of Medicine
https://www.readbyqxmd.com/read/27863501/mutations-in-lrrk2-impair-nf-%C3%AE%C2%BAb-pathway-in-ipsc-derived-neurons
#14
Rakel López de Maturana, Valérie Lang, Amaia Zubiarrain, Amaya Sousa, Nerea Vázquez, Ana Gorostidi, Julio Águila, Adolfo López de Munain, Manuel Rodríguez, Rosario Sánchez-Pernaute
BACKGROUND: Mutations in leucine-rich repeat kinase 2 (LRRK2) contribute to both familial and idiopathic forms of Parkinson's disease (PD). Neuroinflammation is a key event in neurodegeneration and aging, and there is mounting evidence of LRRK2 involvement in inflammatory pathways. In a previous study, we described an alteration of the inflammatory response in dermal fibroblasts from PD patients expressing the G2019S and R1441G mutations in LRRK2. METHODS: Taking advantage of cellular reprogramming, we generated induced pluripotent stem cell (iPSC) lines and neurons thereafter, harboring LRRK2(G2019S) and LRRK2(R1441G) mutations...
November 18, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27846836/regulatory-effects-of-glycyrrhizae-radix-extract-on-dss-induced-ulcerative-colitis
#15
Yong-Deok Jeon, Keuk-Soo Bang, Min-Kyoung Shin, Jong-Hyun Lee, Young-Nam Chang, Jong-Sik Jin
BACKGROUND: Glycyrrhizae Radix (GR) is a Korean traditional herb medicine that is widely-used in clinical health care. The clinical functions of GR include relief of toxicity, anti-cancer, regulating blood cholesterol and anti-inflammation. This study investigated the role of GR on ulcerative colitis in a dextran sulfate sodium (DSS)-induced mouse model of colitis. METHOD: Western blot analysis and enzyme-linked immunosorbent assay (ELISA) analyses were done on male BALB/c mice administered 5 % DSS during the experimental period...
November 16, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27846267/interaction-between-the-stress-phase-angle-spa-and-the-oscillatory-shear-index-osi-affects-endothelial-cell-gene-expression
#16
Ronny Amaya, Limary M Cancel, John M Tarbell
Hemodynamic forces play an important role in the non-uniform distribution of atherosclerotic lesions. Endothelial cells are exposed simultaneously to fluid wall shear stress (WSS) and solid circumferential stress (CS). Due to variations in impedance (global factors) and geometric complexities (local factors) in the arterial circulation a time lag arises between these two forces that can be characterized by the temporal phase angle between CS and WSS (stress phase angle-SPA). Asynchronous flows (SPA close to -180°) that are most prominent in coronary arteries have been associated with localization of atherosclerosis...
2016: PloS One
https://www.readbyqxmd.com/read/27845845/ifn-%C3%AF-plays-an-anti-inflammatory-role-in-staphylococcus-aureus-induced-endometritis-in-mice-through-the-suppression-of-nf-%C3%AE%C2%BAb-pathway-and-mmp9-expression
#17
Kangfeng Jiang, Xiuying Chen, Gan Zhao, Haichong Wu, Junxian Mi, Changwei Qiu, Xiuli Peng, Ganzhen Deng
Interferon-tau (IFN-τ) is a type I interferon and considered as a pregnancy recognition signal in ruminants. Our previous reports have confirmed that IFN-τ has a potential anti-inflammatory effect in macrophage. However, the anti-inflammatory effect of IFN-τ on endometritis has never been reported. Thus, the aim of this study was to investigate the effects of IFN-τ in a mouse model of Staphylococcus aureus-induced endometritis. The histopathological and myeloperoxidase activity results showed that IFN-τ could protect the uterus from S...
November 15, 2016: Journal of Interferon & Cytokine Research
https://www.readbyqxmd.com/read/27836739/docosahexaenoic-acid-signaling-attenuates-the-proliferation-and-differentiation-of-bone-marrow-derived-osteoclast-precursors-and-promotes-apoptosis-in-mature-osteoclasts
#18
Hyun-Ju Kim, Boram Ohk, Hye Jin Yoon, Woo Youl Kang, Sook Jin Seong, Shin-Yoon Kim, Young-Ran Yoon
Docosahexaenoic acid (DHA), a component of omega-3 fatty acids, has been reported to protect against inflammatory bone diseases such as osteoporosis and rheumatoid arthritis. However, its exact mechanism in bone resorbing cells has not been elucidated. In this study, we investigated the effects and the molecular mechanism of DHA on the proliferation, differentiation, and survival of osteoclast lineage cells using mouse bone marrow-derived macrophages (BMMs). DHA suppressed the macrophage colony-stimulating factor (M-CSF)-induced proliferation of osteoclast precursors, BMMs, in a dose-dependent manner...
November 9, 2016: Cellular Signalling
https://www.readbyqxmd.com/read/27836733/activation-of-gper-suppresses-migration-and-angiogenesis-of-triple-negative-breast-cancer-via-inhibition-of-nf-%C3%AE%C2%BAb-il-6-signals
#19
Shuwei Liang, Zhuojia Chen, Guanmin Jiang, Yan Zhou, Qiao Liu, Qiao Su, Weidong Wei, Jun Du, Hongsheng Wang
Triple-negative breast cancer (TNBC) is characterized by high vascularity and frequent metastasis. Here, we found that activation of G protein-coupled estrogen receptor (GPER) by its specific agonist G-1 can significantly inhibit interleukin 6 (IL-6) and vascular endothelial growth factor A (VEGF-A). TNBC tissue microarrays from 100 TNBC patients revealed GPER is negatively associated with IL-6 levels and higher grade and stage. Activation of GPER or anti-IL-6 antibody can inhibit both in vitro tube formation of human umbilical vein endothelial cells (HUVECs) and migration of TNBC cells...
November 9, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27825966/hypericin-inhibits-oligomeric-amyloid-%C3%AE-42-induced-inflammation-response-in-microglia-and-ameliorates-cognitive-deficits-in-an-amyloid-%C3%AE-injection-mouse-model-of-alzheimer-s-disease-by-suppressing-mkl1
#20
Mu Zhang, Yanyan Wang, Fei Qian, Ping Li, Xiaojun Xu
Amyloid β (Aβ) provokes severe inflammation response in the central nervous system, which is a key risk factor for the progression of Alzheimer's disease (AD). Anti-inflammation medications shed light on treating AD. In this study, we found hypericin is a potent anti-AD constituent through anti-inflammation. Pretreatment with hypericin (5 μM and 15 μM) significantly suppresses oligomeric Aβ42 (oAβ42)-induced expression of interleukin-1β (IL-1β), interleukin-6 (IL-6), tumor necrosis factor α (TNF α) and inducible nitric oxide synthase (iNOS) and production of NO in microglia without cytotoxicity...
December 2, 2016: Biochemical and Biophysical Research Communications
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