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https://www.readbyqxmd.com/read/29475160/immunotoxicity-of-ochratoxin-a-and-aflatoxin-b1-in-combination-is-associated-with-the-nuclear-factor-kappa-b-signaling-pathway-in-3d4-21-cells
#1
Lili Hou, Fang Gan, Xuan Zhou, Yajiao Zhou, Gang Qian, Zixuan Liu, Kehe Huang
The co-contamination of cereals, grains, crops, and animal feeds by mycotoxins is a universal problem. Humans and animals are exposed to several mycotoxins simultaneously as evidenced by extensive studies on this topic. Yet, most studies have addressed the effects of mycotoxins individually. Aflatoxin B1 and ochratoxin A can induce immunotoxicity. However, it remains unclear whether a combination of these mycotoxins aggravates immunotoxicity and the potential mechanism underlying this effect. In this study, we used the cell line 3D4/21, swine alveolus macrophages and innate immune cell...
February 3, 2018: Chemosphere
https://www.readbyqxmd.com/read/29474750/suppressed-heat-shock-protein-response-in-the-kidney-of-exercise-trained-diabetic-rats
#2
J Lappalainen, N K J Oksala, D E Laaksonen, S Khanna, T Kokkola, K Kaarniranta, C K Sen, M Atalay
Impaired expression of heat shock proteins (HSPs) and increased oxidative stress may contribute to the pathophysiology of diabetes by disrupted tissue protection. Acute exercise induces oxidative stress, whereas exercise training up-regulates endogenous antioxidant defenses and HSP expression. Although diabetic nephropathy is a major contributor to diabetic morbidity, information regarding the effect of HSPs on kidney protection is limited. The present study evaluated the effects of 8-week exercise training on kidney HSP expression and markers of oxidative stress at rest and after acute exercise in rats with or without streptozotocin-induced diabetes...
February 23, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29473354/-clinical-observation-on-severe-acute-pancreatitis-treated-with-electroacupuncture-at-dachangshu-bl-25-and-shangjuxu-st-37-combined-with-ulinastatin
#3
Li Zhao, Xueqing Li, Zhimin Shi
OBJECTIVE: To observe the clinical therapeutic effects on severe acute pancreatitis (SAP) treated with electroacupuncture (EA), sparse-dense wave and 2 Hz/15 Hz, at Dachangshu (BL 25) and Shangjuxu (ST 37) assisting ulinastetin and explore the effective therapeutic method for SAP. METHODS: A total of 120 patients of SAP were randomized into an observation group and a control group, 60 cases in each one. In the control group, the routine western medicine was adopted with the intravenous drip with ulinastatin...
February 12, 2018: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29473075/monascin-inhibits-il-1%C3%AE-induced-catabolism-in-mouse-chondrocytes-and-ameliorates-murine-osteoarthritis
#4
Gang Zheng, Yu Zhan, Qian Tang, Tianhe Chen, Fanghong Zheng, Haoli Wang, Jianle Wang, Dengying Wu, Xiaobing Li, Ying Zhou, Xiaobin Wang, Yaosen Wu, Yifei Zhou, Huazi Xu, Naifeng Tian, Xiaolei Zhang
Osteoarthritis (OA) is an age-related degenerative disease and is the fourth major cause of disability, but there are no effective therapies because of its complex pathology and the side effects of the drugs. Previous research demonstrated that inflammation and ECM degradation play major roles in OA development. Monascin is an azaphilonoid pigment extracted from Monascus-fermented rice with a potential anti-inflammatory effect reported in various preclinical studies. In the present study, we investigated the protectiveness of monascin on interleukin (IL)-1β-induced mouse chondrocytes and surgical destabilization of the medial meniscus mouse (DMM) OA models...
February 23, 2018: Food & Function
https://www.readbyqxmd.com/read/29472382/dopamine-d2-receptor-up-regulates-leptin-and-il-6-in-adipocytes
#5
Xiaoyan Wang, Van A Villar, Andrew Tiu, Kiran K Upadhyay, Santiago Cuevas
Leptin is a pro-inflammatory cytokine secreted by the adipose tissue. Dopamine D2 receptors (D2R) have anti-inflammatory effects in the brain and kidney tissues. Mouse and human adipocytes express the (D2R); D2R protein was 10-fold greater in adipocytes from human visceral than subcutaneous tissue. However, the function of D2R in adipocytes is not well understood. The D2-like receptor agonist Quinpirole increased the protein expression of leptin and IL-6, not adiponectin and Visfatin, along with their mRNA expression (24 hr)...
February 22, 2018: Journal of Lipid Research
https://www.readbyqxmd.com/read/29471847/the-impact-of-metallothionein-ii-on-microglial-response-to-tumor-necrosis-factor-alpha-tnf%C3%AE-and-downstream-effects-on-neuronal-regeneration
#6
Jacqueline Y K Leung, William R Bennett, Anna E King, Roger S Chung
BACKGROUND: The extracellular environment plays an important role in supporting the regeneration of axons after injury. Metallothionein-II (MTII) is a metal-binding protein known for its neuroprotective effect by directly stimulating the growth of axons after injury. Previous studies have shown that MTII also modulates the response of astrocytes and microglia after injury. However, a detailed analysis describing how MTII modulates the interaction between microglia and neurons is lacking...
February 22, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29471285/effects-of-docosahexanoic-acid-supplementation-on-inflammatory-and-subcutaneous-adipose-tissue-gene-expression-in-hiv-infected-patients-on-combination-antiretroviral-therapy-cart-a-sub-study-of-a-randomized-double-blind-placebo-controlled-study
#7
Pere Domingo, José Miguel Gallego-Escuredo, Irene Fernández, Joan Villarroya, Ferran Torres, María Del Mar Gutierrez, María Gracia Mateo, Francesc Villarroya, Francesc Vidal, Marta Giralt, Joan Carles Domingo
BACKGROUND: Omega-3 fatty acids have the potential to decrease inflammation and modify gene transcription. Whether docosahexanoic acid (DHA) supplementation can modify systemic inflammatory and subcutaneous adipose tissue (SAT) gene expression in HIV-infected patients is unknown. METHODS: A randomized, double-blind, placebo-controlled trial that enrolled 84 antiretroviral-treated patients who had fasting TG levels from 2.26 to 5.65 mmol/l and received DHA or placebo for 48 weeks was performed (ClinicalTrials...
February 19, 2018: Cytokine
https://www.readbyqxmd.com/read/29471131/aerobic-and-strength-training-induce-changes-in-oxidative-stress-parameters-and-elicit-modifications-of-various-cellular-components-in-skeletal-muscle-of-aged-rats
#8
Thais Ceresér Vilela, Pauline Souza Effting, Giulia Dos Santos Pedroso, Hemelin Farias, Lara Paganini, Helen Sorato Rebelo, Renata Tiescoski Nesi, Vanessa Moraes de Andrade, Ricardo Aurino de Pinho
Skeletal muscle aging is associated with loss of mass, function, and strength-a condition known as sarcopenia. It has been reported that sarcopenia can be attenuated by physical exercise. Therefore, we investigated whether 2 different physical exercise protocols could modulate and induce changes in oxidative and inflammatory parameters, as well as in BDNF and DNA repair enzyme levels in skeletal muscle tissue of aged rats. Aging Wistar rats performed treadmill or strength training for 50 min 3 to 4 times a week for 8 weeks...
February 19, 2018: Experimental Gerontology
https://www.readbyqxmd.com/read/29471006/astilbin-ameliorates-cisplatin-induced-nephrotoxicity-through-reducing-oxidative-stress-and-inflammation
#9
Si-Wei Wang, Yi Xu, Yuan-Yuan Weng, Xue-Yu Fan, Yong-Feng Bai, Xiao-Yan Zheng, Li-Jun Lou, Feng Zhang
Oxidative stress and inflammation are considered to be the main pathogenesis of cisplatin nephrotoxicity. Astilbin, a flavonoid with anti-oxidation and anti-inflammation function, has been used to treat heavy metal induced kidney injury. In this study, we investigated the protective effects of astilbin on cisplatin-induced nephrotoxicity and its underlying mechanisms. Our results showed that astilbin markedly inhibited cisplatin-induced cell apoptosis and recovered cell growth. Astilbin significantly decreased reactive oxygen species (ROS) accumulation and alleviated ROS-induced activation of p53, MAPKs and AKT signaling cascades, which in turn attenuated cisplatin-induced HEK-293 cell apoptosis...
February 19, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29470145/portal-vein-stenosis-preconditioning-of-living-donor-liver-in-swine-early-mechanisms-of-liver-regeneration-and-gain-of-hepatic-functional-mass
#10
Pauline Brige, Geraldine Hery, Anais Palen, Théophile Guilbaud, Christophe Buffat, Anais Moyon, Jean Hardwigsen, Eric Guedj, Benjamin Guillet, Vincent Vidal, Guillaume Gorincour, Sophie Chopinet, Emilie Gregoire
In order to reduce the morbidity and mortality risk for the donor in living donor liver transplantation (LDLT), we previously identified 20% left portal vein (LPV) stenosis as the effective preconditioning to induce cell proliferation in the contralateral lobe without the downstream ipsilateral atrophy. We report, here, the pathways involved in the first hours after the preconditioning and investigate the changes in liver volume and function. Fourteen pigs entered this study. Five of them were used to study the genetic, cellular and molecular mechanisms set up in the early hours after the establishment of our preconditioning...
February 22, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29468851/isolates-from-alpinia-officinarum-hance-attenuate-lps-induced-inflammation-in-hepg2-evidence-from-in-silico-and-in-vitro-studies
#11
Abdullah A Elgazar, Nabil M Selim, Nabil M Abdel-Hamid, Mohammed A El-Magd, Hala M El Hefnawy
In an attempt to connect the legacy of centuries of invaluable knowledge from traditional medicine and the current understanding to the molecular mechanism of diseases, we took the advantage of the emergence of in silico screening as a promising tool for identification of potential leads from libraries of natural products. Traditional Chinese Medicine database was subjected to structure based virtual screening for identification of anti-inflammatory compounds using the 3D crystal structure of p38 alpha mitogen activated protein kinase...
February 22, 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29468764/blood-pressure-lowering-and-anti-inflammatory-effects-of-hesperidin-in-type-2-diabetes-a-randomized-double-blind-controlled-clinical-trial
#12
Fatemeh Homayouni, Fatemeh Haidari, Mehdi Hedayati, Mehrnoosh Zakerkish, Kambiz Ahmadi
Elevated levels of reactive oxygen species under diabetic condition lead to vascular complications and inflammation. This study aimed to examine the effects of hesperidin supplement on blood pressure and inflammatory markers in type 2 diabetes. In this research, 64 patients were randomly allocated to receive 500 mg/day hesperidin or placebo capsules for 6 weeks. Data on systolic blood pressure (SBP), diastolic blood pressure, serum total antioxidant capacity (TAC), tumor necrosis factor alpha, interleukin 6 (IL-6), and high-sensitivity C-reactive protein (hs-CRP) were collected at the baseline and at the end of the study...
February 22, 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29468563/neurobiological-correlates-of-alpha-tocopherol-antiepileptogenic-effects-and-microrna-expression-modulation-in-a-rat-model-of-kainate-induced-seizures
#13
Patrizia Ambrogini, Maria Cristina Albertini, Michele Betti, Claudia Galati, Davide Lattanzi, David Savelli, Michael Di Palma, Stefania Saccomanno, Desirée Bartolini, Pierangelo Torquato, Gabriele Ruffolo, Fabiola Olivieri, Francesco Galli, Eleonora Palma, Andrea Minelli, Riccardo Cuppini
Seizure-triggered maladaptive neural plasticity and neuroinflammation occur during the latent period as a key underlying event in epilepsy chronicization. Previously, we showed that α-tocopherol (α-T) reduces hippocampal neuroglial activation and neurodegeneration in the rat model of kainic acid (KA)-induced status epilepticus (SE). These findings allowed us to postulate an antiepileptogenic potential for α-T in hippocampal excitotoxicity, in line with clinical evidence showing that α-T improves seizure control in drug-resistant patients...
February 22, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29468364/antitumor-in-situ-vaccination-effect-of-tnf%C3%AE-and-il-12-plasmid-dna-electrotransfer-in-a-murine-melanoma-model
#14
Urska Kamensek, Maja Cemazar, Ursa Lampreht Tratar, Katja Ursic, Gregor Sersa
Gene electrotransfer (GET) is one of the most efficient non-viral gene therapy approaches for the localized transfer of multiple genes into tumors in vivo; therefore, it is especially promising for delivering different cytokines that are toxic if administered systemically. In this study, we used concomitant intratumoral GET of two cytokines: tumor necrosis factor alpha (TNFα), a potent cytotoxic cytokine to induce in situ vaccination, and interleukin 12 (IL-12), an immunostimulatory cytokine to boost the primed local immune response into a systemic one...
February 21, 2018: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/29468194/treatment-of-hiv-infected-individuals-with-the-histone-deacetylase-inhibitor-panobinostat-results-in-increased-numbers-of-regulatory-t-cells-and-limits-ex-vivo-lipopolysaccharide-induced-inflammatory-responses
#15
Christel Rothe Brinkmann, Jesper Falkesgaard Højen, Thomas Aagaard Rasmussen, Anne Sofie Kjær, Rikke Olesen, Paul W Denton, Lars Østergaard, Zhengyu Ouyang, Mathias Lichterfeld, Xu Yu, Ole Schmeltz Søgaard, Charles Dinarello, Martin Tolstrup
Histone deacetylase inhibitors (HDACi) modulate the transcriptional activity of all cells, including innate and adaptive immune cells. Therefore, we aimed to evaluate immunological effects of treatment with the HDACi panobinostat in HIV-infected patients during a clinical phase IIa latency reversal trial. Using flow cytometry, we investigated changes in T cell activation (CD69, CD38, HLA-DR) and the expression of CD39 and CTLA4 on regulatory T cells (Tregs). Whole-blood stimulations were performed and cytokine responses measured using Luminex...
January 2018: MSphere
https://www.readbyqxmd.com/read/29467927/kanglaite-inhibits-emt-caused-by-tnf-%C3%AE-via-nf-%C3%AE%C2%BA%C3%AE-inhibition-in-colorectal-cancer-cells
#16
Guiling Shi, Xiaoli Zheng, Shiwu Zhang, Xiaojing Wu, Fei Yu, Yijia Wang, Fei Xing
Tumor necrosis factor-alpha is a critical pro-inflammatory cytokine produced by macrophages and was once considered an anti-tumor agent. However, a low dose of tumor necrosis factor-alpha can cause epithelial mesenchymal transition, angiogenesis and metastasis. NF-κΒ contributes to epithelial mesenchymal transition induced by tumor necrosis factor-alpha. Kanglaite, an extract from the Coix lacryma-jobi (adlay) seed, is an NF-κΒ inhibitor. The aim of this study was to investigate whether Kanglaite could inhibit epithelial mesenchymal transition caused by tumor necrosis factor-alpha using four colorectal cancer cell lines, HCT106, HCT116, LoVo and CT26...
January 23, 2018: Oncotarget
https://www.readbyqxmd.com/read/29467755/leptin-mediates-in-vivo-neutrophil-migration-involvement-of-tumor-necrosis-factor-alpha-and-cxcl1
#17
Glaucia Souza-Almeida, Heloisa D'Avila, Patricia E Almeida, Tatiana Luna-Gomes, Sally Liechocki, Barbara Walzog, Ingrid Hepper, Hugo Caire Castro-Faria-Neto, Patricia T Bozza, Christianne Bandeira-Melo, Clarissa M Maya-Monteiro
Leptin directly activates macrophages and lymphocytes, but the role of leptin in neutrophil activation and migration is still controversial. Here, we investigate the in vivo mechanisms of neutrophil migration induced by leptin. The intraperitoneal injection of leptin (1 mg/kg) induces a time- and concentration-dependent neutrophil influx. We did not observe the enhancement of lipid bodies/droplets in neutrophils, after leptin treatment, as we had observed previously in peritoneal macrophages. The participation of leukotriene B4 (LTB4 ) in neutrophil recruitment triggered by leptin was investigated using different strategies...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29467717/thioredoxin-1-protects-spinal-cord-from-demyelination-induced-by-methamphetamine-through-suppressing-endoplasmic-reticulum-stress-and-inflammation
#18
Lihua Yang, Yinli Guo, Mengbin Huang, Xiaoli Wu, Xiang Li, Guobing Chen, Ye Li, Jie Bai
Methamphetamine (METH) is a psychostimulant abused around the world. Emerging evidence indicates that METH causes brain damage. However, there are very few reports on METH-induced demyelination. Thioredoxin-1 (Trx-1) is a redox regulating protein and plays the roles in protecting neurons from various stresses. However, whether Trx-1 resists demyelination induced by METH has not been reported. In this study, we found that METH-induced thin myelin sheaths in spinal cord, whereas Trx-1 overexpression transgenic (TG) mice restored the myelin sheaths thickness...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29466985/association-between-plasma-fatty-acids-and-inflammatory-markers-in-patients-with-and-without-insulin-resistance-and-in-secondary-prevention-of-cardiovascular-disease-a-cross-sectional-study
#19
Ângela Cristine Bersch-Ferreira, Geni Rodrigues Sampaio, Marcella Omena Gehringer, Elizabeth Aparecida Ferraz da Silva Torres, Maria Beatriz Ross-Fernandes, Jacqueline Tereza da Silva, Camila Ragne Torreglosa, Cristiane Kovacs, Renata Alves, Carlos Daniel Magnoni, Bernardete Weber, Marcelo Macedo Rogero
BACKGROUND: Proinflammatory biomarkers levels are increased among patients with cardiovascular disease, and it is known that both the presence of insulin resistance and diet may influence those levels. However, these associations are not well studied among patients with established cardiovascular disease. Our objective is to compare inflammatory biomarker levels among cardiovascular disease secondary prevention patients with and without insulin resistance, and to evaluate if there is any association between plasma fatty acid levels and inflammatory biomarker levels among them...
February 21, 2018: Nutrition Journal
https://www.readbyqxmd.com/read/29465206/-predictors-of-unfavorable-outcome-in-patients-with-abdominal-sepsis
#20
V V Nazaretyan, V N Lukach, A V Kulikov
OBJECTIVE: The study focuses on identifying predictors of treatment outcome in abdominal sepsis (AS) in humans. SUBJECTS AND METHODS: 70 patients underwent determination of blood pressure, heart rate, SpO , the content of leu- kocytes, albumin, C-reactive protein, fibrinogen and TNF-a in arterial (femoral artery) and venous (subclavian vein) blood. Automatic biochemical analyzer Cobas-Integra 400 ('Roche", Switzerland), the test system Microlab STAR ELISA kit reagents "alpha TNF - ELISA - best" were used during the research...
September 2017: Anesteziologiia i Reanimatologiia
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