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Tumor necrosis factor and neonates

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https://www.readbyqxmd.com/read/29138831/anti%C3%A2-inflammatory-effect-of-migri%C3%A2-heal%C3%A2-in-an-in%C3%A2-vitro-inflammatory-model-of-primary-mixed-glial-cells
#1
Mahmoud Hassani, Farzaneh Sabouni, Mohammad Ansari, Solaleh Emamgholipour, Mohammad-Sadegh Fallah, Shah-Sanam Abbasi, Saeed Ansari Majd
Migri‑Heal®, is a novel herbal remedy that was introduced for the treatment of migraine headaches. Previous studies revealed that this drug may reduce nitric oxide (NO) in an in vitro inflammatory model. The aim of the present study was to investigate the anti‑inflammatory effect of Migri‑Heal® on primary mix glial cells stimulated with LPS. In the current study, neonatal rat primary mix glial cells were isolated from the mixed glial cultures via shaking, and cultured in Dulbecco's' modified Eagle's medium supplemented with 10% fetal bovine serum...
November 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29136347/pro-inflammatory-mediator-responses-from-neonatal-airway-epithelial-cells-and-early-childhood-wheeze
#2
Steve Turner, David Miller, Garry M Walsh, Alison Scaife, Ultan F Power, Michael D Shields, Graham Devereux
BACKGROUND: Airway epithelial cell (AEC) function differs between children with and without asthma. Here, we associated neonatal AEC function with asthma symptoms at 4 years of age. METHODS: Nasal AEC were collected from neonates within 48 h of birth. Cells were cultured and stimulated with tumor necrosis factor alpha/interleukin-1 beta (TNFα/IL-1β), lipopolysaccharide (LPS), or house dust mite (HDM). Absolute concentrations of pro-inflammatory mediators in the culture supernatant were quantified and expressed as median [interquartile range] in pg/mg protein...
November 14, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29121823/effect-of-tumor-necrosis-factor-alpha-dose-and-exposure-time-on-tumor-necrosis-factor-induced-gene-6-activation-by-neonatal-and-adult-mesenchymal-stromal-cells
#3
Shiva Hamidian Jahromi, Yunqing Li, John E Davies
Tumor necrosis factor (TNF)-stimulated gene 6 (TSG-6) is a major anti-inflammatory mediator released by activated mesenchymal stromal cells (MSCs). Neonatal MSCs are considered more metabolically active than cells derived from adult tissues, and potentially less heterogeneous. We hypothesized that a TNF-α activated neonatal MSC population (human umbilical cord perivascular cells-HUCPVCs) would show an enhanced level of TSG-6 activation compared to adult bone marrow MSCs (BMMSCs). Thus, we stimulated HUCPVCs, and both human and mouse BMMSCs with 1, 10, 50, and 100ng/mL of recombinant TNF-α over various exposure times...
November 9, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/29107071/role-of-tlr4-in-olfactory-based-spatial-learning-activity-of-neonatal-mice-after-developmental-exposure-to-diesel-exhaust-origin-secondary-organic-aerosol
#4
Nay Chi Nway, Yuji Fujitani, Seishiro Hirano, Ohn Mar, Tin-Tin Win-Shwe
Exposure to ambient air pollutants has been reported to have various adverse health impacts. Ambient particulate matter comprises primary particles released directly via engine exhaust and secondary organic aerosols (SOAs) formed from oxidative reactions of the ultrafine particle fraction of diesel exhaust (DE). Toll-like receptor 4 (TLR4) is well known to initiate the inflammatory cascade in the central nervous system. However, whether and how DE and DE-SOA exposure influences TLR4 signaling in the immature brain remains unclear...
October 26, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/29105819/neuroprotective-effect-of-licochalcone-a-against-oxygen-glucose-deprivation-reperfusion-in-rat-primary-cortical-neurons-by-attenuating-oxidative-stress-injury-and-inflammatory-response-via-the-sirt1-nrf2-pathway
#5
Xiaohong Liu, Ying Ma, Xiaodi Wei, Ting Fan
Perinatal hypoxic-ischemic encephalopathy (HIE) is a leading cause of neonatal death and neurological disability. Oxidative stress and neuroinflammation are typical pathogenic factors of HIE. Licochalcone A (LCA) exerts various biological properties, including anti-inflammatory and antioxidant activities. However, no data have been reported to elucidate the role of LCA in the development of HIE. In the present study, primary cultured rat cortical neurons were exposed to oxygen-glucose deprivation/reoxygenation (OGD/R) in vitro to simulate the in vivo situation of neonatal HIE...
November 6, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29084133/modulation-of-the-senescence-associated-inflammatory-phenotype-in-human-fibroblasts-by-olive-phenols
#6
Beatrice Menicacci, Caterina Cipriani, Francesca Margheri, Alessandra Mocali, Lisa Giovannelli
Senescent cells display an increase in the secretion of growth factors, inflammatory cytokines and proteolytic enzymes, termed the "senescence-associated-secretory-phenotype" (SASP), playing a major role in many age-related diseases. The phenolic compounds present in extra-virgin olive oil are inhibitors of oxidative damage and have been reported to play a protective role in inflammation-related diseases. Particularly, hydroxytyrosol and oleuropein are the most abundant and more extensively studied. Pre-senescent human lung (MRC5) and neonatal human dermal (NHDF) fibroblasts were used as cellular model to evaluate the effect of chronic (4-6 weeks) treatment with 1 μM hydroxytyrosol (HT) or 10 μM oleuropein aglycone (OLE) on senescence/inflammation markers...
October 30, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29077529/postnatal-melatonin-treatment-protects-against-affective-disorders-induced-by-early-life-immune-stimulation-by-reducing-the-microglia-cell-activation-and-oxidative-stress
#7
I Berkiks, H Benmhammed, A Mesfioui, A Elhasnaoui, S Mouden, T Touil, Y Bahbiti, R Nakache, A Ouichou, A El Hessni
Systemic inflammation induced by neonatal infection may result as long-term hyperactivation of microglial cells followed by an overproduction of pro-inflammatory cytokines, such as tumor necrosis factor (TNF-α), nitric oxide (NO), and lipid peroxidation. Those inflammation mediators can trigger behavioral disruption and/or cognitive disorders. The present work aims to evaluate the effect of melatonin (a cytokine release modulator and antioxidant agent) in the reduction of the prefrontal microglia activation and depressive-like behaviors induced by LPS injection in adult rats...
October 27, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29077174/clinical-significance-of-dynamic-measurements-of-seric-tnf-%C3%AE-hmgbl-and-nse-levels-and-aeeg-monitoring-in-neonatal-asphyxia
#8
X-H Zhang, B-L Zhang, S-M Guo, P Wang, J-W Yang
OBJECTIVE: This study investigates the clinical value of monitoring blood levels of tumor necrosis factor-α (TNF-α), high mobility group protein Bl (HMGBl), and neuron-specific enolase (NSE), and examining an amplitude-integrated electroencephalogram (aEEG) for the diagnosis and short-term prognosis of brain damage caused by neonatal asphyxia. PATIENTS AND METHODS: Sixty full-term neonates born in Yidu Central Hospital from January to December 2015 were enrolled in the study...
October 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28950663/betulinic-acid-protects-the-neuronal-damage-in-new-born-rats-from-isoflurane-induced-apoptosis-in-the-developing-brain-by-blocking-fasl-fas-signaling-pathway
#9
Dongwei Wang, Ping Chen, Lei Chen, Fanrong Zeng, Rongjia Zang, Haiping Liu, Chunfeng Lu
Betulinic acid (BA) is a naturally occurring pentacyclic lupane group triterpenoid, has reported to protect cerebral ischemia. Present study evaluates the protective effect of betulinic acid on the isoflurane-induced neuronal damage in neonatal mice. All the mice of 7days age were exposed to isoflurane (2%; 2h) for the duration of 3day. At the end of protocol cognitive function was evaluated by Morris water maze (MWM) test. However count of apoptotic cells were estimated by TUNEL staining. Concentration of oxidative stress parameters [superoxide dismutase (SOD); catalase (CAT) and reduced glutathione (GSH)], cytokines [tumor necrosis factor (TNF-α); interlukin-6 (IL-6) and IL-1β] and expressions of caspase 3, FAS and FASL were estimated in the neuronal cells...
November 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28942514/intrauterine-hyperglycemia-induced-inflammatory-signalling-via-the-receptor-for-advanced-glycation-end-products-in-the-cardiac-muscle-of-the-infants-of-diabetic-mother-rats
#10
Ritsuko Kawaharada, Haruna Masuda, Zhenyi Chen, Eric Blough, Tomoko Kohama, Akio Nakamura
PURPOSE: Gestational diabetes is associated with increased risk to the health of the mother and her offspring. In particular, the infants of diabetic mothers (IDMs) exhibit elevated levels of preterm birth, macrosomia, hypoglycemia, hypocalcemia, and cardiomyopathy. We have previously reported that IDMs showed abnormalities in cardiac Akt-related insulin signalling, and that these deficiencies in Akt-related signalling were attenuated by supplementing the maternal diet with fish-oil. Herein, we investigated whether the eicosapentaenoic acid (EPA) found in fish oil can be used to attenuate diabetes associated impairments in cardiomyocyte signalling...
September 23, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28926473/hydrogen-gas-attenuates-sevoflurane-neurotoxicity-through-inhibiting-nuclear-factor-%C3%AE%C2%BA-light-chain-enhancer-of-activated-b-cells-signaling-and-proinflammatory-cytokine-release-in-neonatal-rats
#11
Yiwei Shi, Gang Wang, Jinyuan Li, Wenli Yu
Anesthesia neurotoxicity in developing brain has gained increasing attention. However, knowledge regarding its mitigating strategies remains scant. Sevoflurane, a commonly used anesthetic, is responsible for learning and memory deficits in neonates. Molecular hydrogen is reported to be a potential neuroprotective agent because of its antioxidative and anti-inflammatory activities. This study aimed to investigate the effect of hydrogen gas on sevoflurane neurotoxicity. The newborn rats were treated with sevoflurane and/or hydrogen gas for 2 h...
December 6, 2017: Neuroreport
https://www.readbyqxmd.com/read/28903312/gnp-gapdh1-22-nanovaccines-prevent-neonatal-listeriosis-by-blocking-microglial-apoptosis-and-bacterial-dissemination
#12
Ricardo Calderon-Gonzalez, Elisabet Frande-Cabanes, Hector Teran-Navarro, José María Marimon, Javier Freire, David Salcines-Cuevas, M Carmen Fariñas, Claudia Onzalez-Rico, Marco Marradi, Isabel Garcia, Mirian Alkorta-Gurrutxaga, Aida San Nicolas-Gomez, Ana Castañeda-Sampedro, Sonsoles Yañez-Diaz, Soledad Penades, Carmen Punzon, Javier Gomez-Roman, Fernando Rivera, Manuel Fresno, Carmen Alvarez-Dominguez
Clinical cases of neonatal listeriosis are associated with brain disease and fetal loss due to complications in early or late pregnancy, which suggests that microglial function is altered. This is believed to be the first study to link microglial apoptosis with neonatal listeriosis and listeriosis-associated brain disease, and to propose a new nanovaccine formulation that reverses all effects of listeriosis and confers Listeria monocytogenes (LM)-specific immunity. We examined clinical cases of neonatal listeriosis in 2013-2015 and defined two useful prognostic immune biomarkers to design listeriosis vaccines: high anti-GAPDH1-22 titres and tumor necrosis factor (TNF)/interleukin (IL)-6 ratios...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28877735/priming-astrocytes-with-tnf-enhances-their-susceptibility-to-trypanosoma-cruzi-infection-and-creates-a-self-sustaining-inflammatory-milieu
#13
Andrea Alice Silva, Rafael Rodrigues Silva, Daniel Gibaldi, Rafael Meyer Mariante, Jessica Brandão Dos Santos, Isabela Resende Pereira, Otacílio Cruz Moreira, Joseli Lannes-Vieira
BACKGROUND: In conditions of immunosuppression, the central nervous sty 5ystem (CNS) is the main target tissue for the reactivation of infection by Trypanosoma cruzi, the causative agent of Chagas disease. In experimental T. cruzi infection, interferon gamma (IFNγ)(+) microglial cells surround astrocytes harboring amastigote parasites. In vitro, IFNγ fuels astrocyte infection by T. cruzi, and IFNγ-stimulated infected astrocytes are implicated as potential sources of tumor necrosis factor (TNF)...
September 6, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28780644/immunopotentiator-thymosin-alpha-1-promotes-neurogenesis-and-cognition-in-the-developing-mouse-via-a-systemic-th1-bias
#14
Ge Wang, Fen He, Yunlong Xu, Yuwei Zhang, Xiao Wang, Chunhua Zhou, Yihong Huang, Juntao Zou
In early life, the immune system plays an essential role in brain development. In our study, the immunopotentiator thymosin alpha-1 (Ta1) was peripherally administered to neonatal mice to explore whether the peripheral immunopotentiator affects neurodevelopment and cognition, and to further investigate the relevant mechanism. Compared with the control group, the Ta1 mice displayed better cognitive abilities in early life. The numbers of 5-bromodeoxyuridine (BrdU)+, nestin+, T-box transcription factor 2 (Tbr2)+, BrdU+/doublecortin (DCX)+, BrdU+/ionized calcium-binding adaptor molecule 1 (Iba1)+, and BrdU+/neuronal nuclei (NeuN)+ cells in the hippocampus were increased in the Ta1 group, accompanied by increased interleukin-4 (IL-4), interferon-gamma, brain-derived neurotrophic factor, nerve growth factor, and insulin-like growth factor-1 as well as decreased IL-6 and tumor necrosis factor-α...
August 5, 2017: Neuroscience Bulletin
https://www.readbyqxmd.com/read/28755942/regulation-of-inflammation-antioxidant-production-and-methyl-carbon-metabolism-during-methionine-supplementation-in-lipopolysaccharide-challenged-neonatal-bovine-hepatocytes
#15
Qian Zhang, Heather M White
Supplementation of methionine (Met) may improve immunometabolic status, specifically during a period of inflammatory stress. The aim of the present study was to establish an inflammation model using primary neonatal bovine hepatocytes and to examine the effects of increasing concentrations of dl-Met and a maintained Met to lysine (Lys) ratio on hepatocyte inflammatory responses, antioxidant production, and Met metabolism during lipopolysaccharide (LPS) challenge. Hepatocytes isolated from 4 calves were maintained as monolayer cultures and exposed to 0, 10, or 40 µMdl-Met and 100 µM Lys (0Met100Lys, 10Met100Lys, or 40Met100Lys) or 10 µMdl-Met and 25 µM Lys (10Met25Lys)...
July 26, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28755288/neuroprotective-effect-of-chitosan-oligosaccharide-on-hypoxic-ischemic-brain-damage-in-neonatal-rats
#16
Wei Wu, Wei Wei, Min Lu, Xiaoyun Zhu, Ning Liu, Yang Niu, Tao Sun, Yuxiang Li, Jianqiang Yu
Neonatal hypoxic-ischemic brain damage (HIBD) is one of the leading causes of neonatal mortality and permanent neurological disability worldwide and the effective treatment strategies are not yet available. It has been demonstrated that Chitosan oligosaccharide (COS) exerts protective effect in vitro ischemic brain injury. However, no information is available on possible effects of COS on neonatal HIBD. To investigate the hypothesis of the potential neuroprotective effect of COS on the brain injury due to HIBD, 7-day-old Sprague-Dawley rats were treated with left carotid artery ligation followed by exposure to 8% oxygen (balanced with nitrogen) for 2...
November 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28753580/gnp-gapdh1-22-nanovaccines-prevent-neonatal-listeriosis-by-blocking-microglial-apoptosis-and-bacterial-dissemination
#17
Ricardo Calderon-Gonzalez, Elisabet Frande-Cabanes, Hector Teran-Navarro, José María Marimon, Javier Freire, David Salcines-Cuevas, M Carmen Fariñas, Claudia Gonzalez-Rico, Marco Marradi, Isabel Garcia, Mirian Alkorta-Gurrutxaga, Aida San Nicolas-Gomez, Ana Castañeda-San Pedro, Sonsoles Yañez-Diaz, Soledad Penades, Carmen Punzon, Javier Gomez-Roman, Fernando Rivera, Manuel Fresno, Carmen Alvarez-Dominguez
Clinical cases of neonatal listeriosis are associated with brain disease and fetal loss due to complications in early or late pregnancy, which suggests that microglial function is altered. This is believed to be the first study to link microglial apoptosis with neonatal listeriosis and listeriosis-associated brain disease, and to propose a new nanovaccine formulation that reverses all effects of listeriosis and confers Listeria monocytogenes (LM)-specific immunity. We examined clinical cases of neonatal listeriosis in 2013-2015 and defined two useful prognostic immune biomarkers to design listeriosis vaccines: high anti-GAPDH1-22 titres and tumor necrosis factor (TNF)/interleukin (IL)-6 ratios...
July 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28731182/il%C3%A2-6-stat3-mir%C3%A2-34a-protects-against-neonatal-lung-injury-patients
#18
Huajun Liu, Wenbin Liu, Xueqing Tang, Taisen Wang, Xianlin Sun, Jie Lv
The present study aimed to investigate the protective role of the interleukin (IL)‑6/signal transducer and activator of transcription 3 (STAT3)/microRNA (miR)‑34a signaling pathway in patients with neonatal lung injury (NLI) and the underlying molecular mechanisms of these effects. It was demonstrated that miR‑34a serum expression was significantly upregulated in patients and mice with NLI. Meanwhile, IL‑6 and phosphorylated‑STAT3 protein expression, and tumor necrosis factor (TNF)‑α, IL‑1β and IL‑18 activity levels in NLI mice were significantly induced compared with the normal control group...
October 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28701243/regulation-of-fetuin-a-gene-expression-in-the-neonatal-pig-liver
#19
T G Ramsay, M J Stoll, L A Blomberg, T J Caperna
Fetuin A (also known as α2-Heremans-Schmid glycoprotein) is a protein primarily expressed by the liver and secreted into the blood. Previous studies have suggested that plasma concentrations of fetuin A are elevated with impaired growth rate in swine. The present study was designed to examine the relationship of porcine fetuin A with growth rate in the pig and to also elucidate the regulation of fetuin A expression by examining the hormonal and cytokine regulation of fetuin A mRNA abundance in hepatocytes prepared from suckling piglets...
July 13, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28676241/age-dependent-sexual-dimorphism-in-susceptibility-to-develop-chronic-pain-in-the-rat
#20
Luiz F Ferrari, Dioneia Araldi, Paul Green, Jon D Levine
Neonatal pain has been suggested to contribute to the development and/or persistence of adult pain. Observations from animal models have shown that neonatal inflammation produces long-term changes in sensory neuron function, which can affect the susceptibility of adults to develop persistent pain. We used a preclinical model of transition to chronic pain, hyperalgesic priming, in which a previous inflammatory stimulus triggers a long-lasting increase in responsiveness to pro-algesic mediators, prototypically prostaglandin E2 (PGE2), to investigate if post-natal age influences susceptibility of adult rats to develop chronic pain...
July 1, 2017: Neuroscience
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