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https://www.readbyqxmd.com/read/28214085/folic-acid-protects-against-lead-acetate-induced-hepatotoxicity-by-decreasing-nf-%C3%AE%C2%BAb-il-1%C3%AE-production-and-lipid-peroxidation-mediataed-cell-injury
#1
Eman S H Abd Allah, Dalia M Badary
Folic acid plays an important role in cellular metabolic activities. The present study was designed to investigate the protective effect of folic acid against lead acetate-induced hepatotoxicity. Twenty four male Wistar albino rats were randomly divided into four groups, six animals each. Negative control group received the vehicle, positive control group received 1mg/kg folic acid for five consecutive days/week for 4 weeks orally, lead-exposed group received 10mg/kg lead acetate intraperitoneally (IP) for five consecutive days/week for 4 weeks, and lead-treated group received 10mg/kg lead acetate IP and 1mg/kg folic acid orally for five consecutive days/week for 4 weeks concurrently...
February 10, 2017: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/28213267/ferulic-acid-inhibits-neuro-inflammation-in-mice-exposed-to-chronic-unpredictable-mild-stress
#2
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/28212826/pharmacological-postconditioning-with-sevoflurane-activates-pi3k-akt-signaling-and-attenuates-cardiopulmonary-bypass-induced-lung-injury-in-dog
#3
Yu Zhang, Dongdong Li, Junli Luo, Song Chen, Xuejiao Dou, Ming Han, Hong Zhang
AIMS: Sevoflurane, a widely used inhaled anesthetic, showed valid protective effect against ischemia reperfusion injury in lung, however, the underlying molecular mechanisms has yet to be explained. MATERIALS AND METHODS: Dogs were divided into four groups: control group, cardiopulmonary bypass (CPB) group, sevoflurane postconditioning group and wortmannin group. Arterial blood was obtained from each group to test the respiratory index and oxygenation index and pulmonary tissues were sampled for apoptotic TUNEL stain...
February 14, 2017: Life Sciences
https://www.readbyqxmd.com/read/28212354/the-effect-of-dexmedetomidine-on-oxidative-stress-response-following-cerebral-ischemia-reperfusion-in-rats-and-the-expression-of-intracellular-adhesion-molecule-1-icam-1-and-s100b
#4
Yanwen Li, Shikun Liu
BACKGROUND Ischemia-reperfusion injury of whole brain involves a complicated pathophysiology mechanism. Dexmedetomidine (Dex) has been shown to have neuro protective functions. This study observed the effect of Dex on serum S100B and cerebral intracellular adhesion molecule-1 (ICAM-1) in a rat model of cerebral ischemia-reperfusion. MATERIAL AND METHODS Healthy Sprague Dawley (SD) rats (males, 7 weeks old) were randomly divided into sham, model, and Dex groups (n=20 each). A cerebral ischemia-reperfusion model was prepared by clipping of the bilateral common carotid artery combined with hypotension...
February 17, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28211870/non-apoptotic-functions-of-caspases-in-myeloid-cell-differentiation
#5
REVIEW
Stéphanie Solier, Michaela Fontenay, William Vainchenker, Nathalie Droin, Eric Solary
Subtle caspase activation is associated with the differentiation of several myeloid lineages. A tightly orchestrated dance between caspase-3 activation and the chaperone HSP70 that migrates to the nucleus to protect the master regulator GATA-1 from cleavage transiently occurs in basophilic erythroblasts and may prepare nucleus and organelle expel that occurs at the terminal phase of erythroid differentiation. A spatially restricted activation of caspase-3 occurs in maturing megakaryocytes to promote proplatelet maturation and platelet shedding in the bloodstream...
February 17, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28208611/betulinic-acid-mediated-apoptosis-in-human-prostate-cancer-cells-involves-p53-and-nuclear-factor-kappa-b-nf-%C3%AE%C2%BAb-pathways
#6
Eswar Shankar, Ailin Zhang, Daniel Franco, Sanjay Gupta
Defects in p53 and nuclear factor-kappa B (NF-κB) signaling pathways are frequently observed in the initiation and development of various human malignancies, including prostate cancer. Clinical studies demonstrate higher expression of NF-κB/p65/RelA, NF-κB/p50/RelB, and cRel as well as downregulation of the p53 network in primary prostate cancer specimens and in metastatic tumors. Betulinic acid (BA), is a triterpenoid that has been reported to be an effective inducer of apoptosis through modification of several signaling pathways...
February 10, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28208071/anthocyanin-suppresses-cocrmo-particle-induced-osteolysis-by-inhibiting-ikk%C3%AE-%C3%AE-mediated-nf-%C3%AE%C2%BAb-signaling-in-a-mouse-calvarial-model
#7
Yamin Li, Juehong Li, Bin Li, Hui Qin, Xiaochun Peng, Yaochao Zhao, Yunsu Chen
Wear particle-induced osteolysis and bone resorption have been identified as critical factors of implant failure and total joint revision, in which nuclear factor kappa B (NF-κB) signaling and chronic inflammation have been shown to play key roles. Although anthocyanin is known to have anti-inflammatory function via blocking NF-κB pathway, it is still unclear whether anthocyanin has a protective effect on particle-induced osteolysis. In the present study, we aimed to investigate the detailed effects and the underlying mechanism of anthocyanin on CoCrMo particle-induced osteolysis in a mouse calvavial model...
February 13, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28207326/micro-rna-146a-but-not-irak1-is-associated-with-rheumatoid-arthritis-in-the-tunisian-population
#8
Hana Ben Hassine, Asma Boumiza, Rim Sghiri, Khadija Baccouche, Imen Boussaid, Ahlem Atig, Zahid Shakoor, Elyes Bouajina, Ramzi Zemni
BACKGROUND: Rheumatoid arthritis (RA) is characterized by the production of an array of proinflammatory cytokines through the nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) signaling pathway. Interleukin-1 receptor (IL-1R) and Toll-like receptors contain a common cytoplasmic motif the Toll/IL-1R (TIR) homology domain. This motif is required for NF-κB activation. IL-1R-associated kinase 1 (IRAK1) is a key adapter molecule recruited during the signaling cascade of the TIR...
February 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/28202458/sensitivity-to-pi3k-and-akt-inhibitors-is-mediated-by-divergent-molecular-mechanisms-in-subtypes-of-dlbcl
#9
Tabea Erdmann, Pavel Klener, James T Lynch, Michael Grau, Petra Vočková, Jan Molinsky, Diana Tuskova, Kevin Hudson, Urszula M Polanska, Michael Grondine, Michele Mayo, Beiying Dai, Matthias Pfeifer, Kristian Erdmann, Daniela Schwammbach, Myroslav Zapukhlyak, Annette M Staiger, German Ott, Wolfgang E Berdel, Barry R Davies, Francisco Cruzalegui, Marek Trneny, Peter Lenz, Simon T Barry, Georg Lenz
Activated B-cell-like (ABC) and germinal center B-cell-like (GCB) diffuse large B-cell lymphoma (DLBCL) represent the two major molecular DLBCL subtypes. They are characterized by differences in clinical course and by divergent addiction to oncogenic pathways. To determine activity of novel compounds in these two subtypes, we conducted an unbiased pharmacologic in vitro screen. The phosphatidylinositol-3-kinase (PI3K) alpha/delta (PI3Kα/δ) inhibitor AZD8835 showed marked potency in ABC DLBCL models, whereas the protein kinase B (AKT) inhibitor AZD5363 induced apoptosis in PTEN-deficient DLBCLs irrespective of their molecular subtype...
February 15, 2017: Blood
https://www.readbyqxmd.com/read/28202387/varenicline-enhances-oxidized-ldl-uptake-by-increasing-expression-of-lox-1-and-cd36-scavenger-receptors-through-%C3%AE-7-nachr-in-macrophages
#10
Yuki Kanaoka, Mitsuhisa Koga, Keita Sugiyama, Kaoru Ohishi, Yasufumi Kataoka, Atsushi Yamauchi
Varenicline is a widely used and effective drug for smoking cessation. It is a partial agonist of the α4β2 nicotinic acetylcholine receptor (nAChR) and full agonist of α7 nAChR. We have reported that varenicline aggravates formation of atherosclerotic plaques through α7 nAChR in apolipoprotein E knockout mice. However, little is known about its effects on macrophages in atherosclerotic plaques. Here, we ascertained whether varenicline promotes oxidized low-density lipoprotein (oxLDL) uptake in mouse peritoneal macrophages in vitro and clarified its mechanism...
February 12, 2017: Toxicology
https://www.readbyqxmd.com/read/28201982/transcriptome-profile-of-rat-genes-in-injured-spinal-cord-at-different-stages-by-rna-sequencing
#11
Ling-Ling Shi, Nan Zhang, Xiu-Mei Xie, Yue-Juan Chen, Rui Wang, Lin Shen, Jian-Sheng Zhou, Jian-Guo Hu, He-Zuo Lü
BACKGROUND: Spinal cord injury (SCI) results in fatal damage and currently has no effective treatment. The pathological mechanisms of SCI remain unclear. In this study, genome-wide transcriptional profiling of spinal cord samples from injured rats at different time points after SCI was performed by RNA-Sequencing (RNA-Seq). The transcriptomes were systematically characterized to identify the critical genes and pathways that are involved in SCI pathology. RESULTS: RNA-Seq results were obtained from total RNA harvested from the spinal cords of sham control rats and rats in the acute, subacute, and chronic phases of SCI (1 day, 6 days and 28 days after injury, respectively; n = 3 in every group)...
February 15, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28199883/acetyl-l-carnitine-protects-dopaminergic-nigrostriatal-pathway-in-6-hydroxydopamine-induced-model-of-parkinson-s-disease-in-the-rat
#12
Siamak Afshin-Majd, Keyhan Bashiri, Zahra Kiasalari, Tourandokht Baluchnejadmojarad, Reza Sedaghat, Mehrdad Roghani
Parkinson's disease (PD) is a movement disorder and the second most common neurodegenerative disease worldwide in which nigrostriatal dopaminergic neurons within substantia nigra pars compacta (SNC) are lost, with clinical motor and non-motor symptoms including bradykinesia, resting tremor, rigidity, stooping posture and cognitive deficits. This study was undertaken to evaluate the neuroprotective potential of acetyl-l-carnitine (ALC) against unilateral striatal 6-hydroxydopamine (6-OHDA)-induced model of PD and to explore some involved mechanisms...
February 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28199731/proteomic-profiling-analysis-reveals-a-link-between-experimental-autoimmune-uveitis-and-complement-activation-in-rats
#13
Dadong Guo, Bing Hu, Hongying Tang, Yuanyuan Sun, Bin Liu, Qingmei Tian, Hongsheng Bi
Uveitis is an autoimmune disease that usually damages the vision function, leading to poor visual quality in patients. As an autoimmune ocular inflammatory disease, the pathogenesis of uveitis is associated with abnormal expression of some proteins and aberrant regulation of multiple signaling pathways. Nevertheless, the detailed mechanism remains unclear. In this study, we induced an experimental autoimmune uveitis (EAU) model in rats. We determined the levels of C3a and membrane attack complex C5b-9 (soluble C5b-9, sC5b-9) in both plasma and aqueous humor, identified the differentially expressed proteins in plasma by liquid chromatography-tandem mass spectrometry, and employed bioinformatics algorithms to analyze differentially expressed proteins in EAU rat plasma...
February 15, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28199187/combinatorial-effect-of-curcumin-with-docetaxel-modulates-apoptotic-and-cell-survival-molecules-in-prostate-cancer
#14
Saswati Banerjee, Santosh K Singh, Indrajit Chowdhury, Rajesh Singh
Docetaxel is the most commonly used chemotherapeutic agent to target androgen signaling in metastatic prostate cancer (PCa); however, prolonged treatment with docetaxel results in drug-resistant cancer cells. Combination therapies have the potential of increasing the effectiveness of drug treatment as well as decreasing the side effects. Curcumin is a nontoxic organic compound with multifaceted chemopreventive potential. In this study, we evaluated whether curcumin can reinforce the effect of docetaxel on PCa cells...
March 1, 2017: Frontiers in Bioscience (Elite Edition)
https://www.readbyqxmd.com/read/28198144/the-phenolic-fraction-of-extra-virgin-olive-oil-modulates-the-activation-and-the-inflammatory-response-of-t-cells-from-patients-with-systemic-lupus-erythematosus-and-healthy-donors
#15
Marina Aparicio-Soto, Marina Sanchez-Hidalgo, Ana Cárdeno Galván, Jose Manuel Lucena, Francisca Gonzalez-Escribano, Maria Jesus Castillo Palma, Catalina Alarcón-de-la-Lastra
SCOPE: Systemic lupus erythematosus (SLE) is a chronic multiorgan autoimmune disease characterized by immune deregulation, which involves altered T-cell response and imbalance of cytokine production. The phenolic fraction (PE) of extra virgin olive oil (EVOO) possesses anti-inflammatory and immunomodulatory properties and exerts preventive effects in murine models of immune-inflammatory diseases, such as SLE. The present study was designed to determine the in vitro effects of the PE from EVOO on peripheral blood mononuclear cells (PBMC) from inactive patients with SLE and healthy donors...
February 15, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28197934/fuzheng-huayu-formula-prevents-rat-renal-interstitial-fibrosis-induced-by-hgcl2-via-antioxidative-stress-and-down-regulation-of-nuclear-factor-kappa-b-activity
#16
Ji-Li Yuan, Yan-Yan Tao, Qing-Lan Wang, Li Shen, Cheng-Hai Liu
OBJECTIVE: To investigate the mechanism of action of Fuzheng Huayu Formula (, FZHY) against renal interstitial fibrosis (RIF) relating to oxidative injury and nuclear factor-kappa B (NF-κB) activity. METHODS: Thirty-two Sprague-Dawley rats were randomly divided into 3 groups: control group, model group and FZHY treatment group. The RIF model was induced by oral administration of HgCl2 at a dose of 8 mg/kg body weight once a day for 9 weeks. Meanwhile, rats in FZHY treatment group orally took FZHY at a dose of 4...
February 15, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28197210/orientin-ameliorates-lps-induced-inflammatory-responses-through-the-inhibitory-of-the-nf-%C3%AE%C2%BAb-pathway-and-nlrp3-inflammasome
#17
Qingfei Xiao, Zhihui Qu, Ying Zhao, Liming Yang, Pujun Gao
Inflammation is a complex response to diverse pathological conditions, resulting in negative rather than protective effects when uncontrolled. Orientin (Ori), a flavonoid component isolated from natural plants, possesses abundant properties. Thus, we aimed to discover the potential therapeutic effects of orientin on lipopolysaccharide- (LPS-) induced inflammation in RAW 264.7 cells and the underlying mechanisms. In our studies, we evaluated the effects of Ori on proinflammatory mediator production stimulated by LPS, including tumor necrosis factor- (TNF-) α, interleukin- (IL-) 6, IL-18, and IL-1β, along with prostaglandin E2 (PGE2) and NO...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28193640/grk2-mediates-arginine-vasopressin-induced-il-6-production-via-nf-kb-signaling-in-neonatal-rat-cardiac-fibroblast
#18
Feifei Xu, Suzhen Sun, Xiaojun Wang, Eran Ni, Lingling Zhao, Weizhong Zhu
: Elevated interleukin 6(IL-6) levels in congestive heart failure are associated with myocardial damage during acute exacerbation and with chronic inflammation. Arginine vasopressin (AVP), a hormone released in response to cardiac stress, could be a factor of inflammation and fibrosis in the pathogenesis of heart failure. Recently, we have shown that AVP promotes the proliferation of neonatal rat cardiac fibroblasts (NRCFs) through a V1Avasopressin receptor-mediated G protein-coupled receptor kinase2 (GRK2) signaling...
February 13, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28192748/exposure-to-pm2-5-induces-aberrant-activation-of-nf-%C3%AE%C2%BAb-in-human-airway-epithelial-cells-by-downregulating-mir-331-expression
#19
Lei Song, Dan Li, Xiaoping Li, Lianjun Ma, Xiaoxue Bai, Zhongmei Wen, Xiufang Zhang, Dong Chen, Liping Peng
Exposure to particulate matter (PM) with an aerodynamic diameter≤2.5μm (PM2.5) induces reactive oxygen species (ROS) and pro-inflammatory cytokine production, leading to airway epithelial injury. However, the mechanisms underlying the toxicity of PM2.5 have not been clarified. Here, we show that exposure to PM2.5 induces sustained activation of the nuclear factor kappa B (NF-κB) signaling in human airway epithelial Beas-2B (B2B) cells. In addition, PM2.5 exposure significantly decreased miR-331 expression in B2B cells, which was abrogated by inhibition of ROS or phosphoinositide 3-kinase (PI3K)/Akt pathway...
February 6, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28192254/effect-of-dietary-phosphorus-deficiency-on-the-growth-immune-function-and-structural-integrity-of-head-kidney-spleen-and-skin-in-young-grass-carp-ctenopharyngodon-idella
#20
Kang Chen, Wei-Dan Jiang, Pei Wu, Yang Liu, Sheng-Yao Kuang, Ling Tang, Wu-Neng Tang, Yong-An Zhang, Xiao-Qiu Zhou, Lin Feng
This study evaluates the effects of dietary phosphorus on the growth, immune function and structural integrity (head kidney, spleen and skin) of young grass carp (Ctenopharyngodon idella) that were fed graded levels of available phosphorus (0.95-8.75 g/kg diet). Results indicated that phosphorus deficiency decreased the growth performance of young grass carp. In addition, the results first demonstrated that compared with the optimal phosphorus level, phosphorus deficiency depressed the lysozyme (LZ) and acid phosphatase (ACP) activities and the complement 3 (C3), C4 and immunoglobulin M (IgM) contents, and down-regulated the mRNA levels of antimicrobial peptides, anti-inflammatory cytokines, inhibitor of κBα (IκBα) and target of rapamycin (TOR), whereas it up-regulated pro-inflammatory cytokines, nuclear factor kappa B (NF-κB) p65 and NF-κB p52 mRNA levels to decrease fish head kidney and spleen immune functions...
February 9, 2017: Fish & Shellfish Immunology
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